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PREDNISOLONE

P-111117

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Catalogue Number:	P-111117
Compound Name:	11-epi-Prednisolone-21-Disodium Phosphate
Synonyms:	2-((8S,9S,10R,11R,13S,14S,17R)-11,17-dihydroxy-10,13-dimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl phosphate, sodium salt (1:2)
CAS#:
Alternate CAS#:
Molecular Formula:	C₂₁H₂₇O₈P. 2 Na
Molecular Weight:	438.42 2*22.99

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Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

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16-alpha-Hydroxy Prednisolone-21-Acetate

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D-Homo A Derivative of Prednisolone

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Methylprednisolone Hydrogen Succinate EP Impurity B (Methylprednisolone Hemisuccinate USP Related Compound B, Methylprednisolone 17-Hydrogen Succinate)

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Methylprednisolone EP Impurity B (Methylprednisolone Acetate EP Impurity C)

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C₂₂H₂₈O₄

M.W. 356.46

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Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Prednienic Acid

CAS No. 37927-29-0

C₂₀H₂₆O₅

M.W. 346.42

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Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

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C₂₁H₂₂D₆O₅

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Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

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CAS No. 79512-61-1

C₂₅H₃₄O₆

M.W. 430.54

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Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

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C₂₁H₂₉O₈P

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C₂₁H₃₀O₁₁P₂

M.W. 520.41

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Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone Acetate EP Impurity A (20R Isomer)

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C₂₄H₃₄O₆

M.W. 418.53

P-11142

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

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C₂₄H₃₂O₅

M.W. 400.52

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Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone Acetate EP Impurity H (E-isomer)

C₂₄H₃₂O₄

M.W. 384.52

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Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone Acetate EP Impurity G

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Methylprednisolone EP Impurity L (Fluorometholone USP Related Compound A)

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M.W. 358.48

P-11149

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

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Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone Hydrogen Succinate EP Impurity D (Methylprednisolone Hemisuccinate USP Related Compound D)

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C₂₆H₃₆O₈

M.W. 476.57

P-11151

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Prednisolone Impurity (9-Hydroxy Prednisolone)

C₂₁H₂₈O₅

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Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Prednisolone 21-Dimethylamine

C₂₃H₃₃NO₄

M.W. 387.52

P-11153

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Prednisolone 21-Formate

CAS No. 2141-22-2

C22H28O6

M.W. 388.46

P-11154

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Prednisolone Sodium 21-Metasulfobenzoate

CAS No. 630-67-1

C₂₈H₃₁O₉S. Na

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P-11159

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone EP Impurity A (Methyl Prednisone)

CAS No. 91523-05-6

C₂₂H₂₈O₅

M.W. 372.47

P-11161

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone Glucuronide

C28H38O11

M.W. 550.61

P-11162

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone Sulfate

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Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Prednisolone Impurity 34

C₂₁H₂₉O₈P

M.W. 440.43

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Prednisolone EP Impurity D (6-beta-Hydroxy Prednisolone)

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M.W. 376.45

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Prednisolone EP Impurity H

CAS No. 2427-64-7

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Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Prednisolone Impurity 11 (Mixture of Z and E Isomers)

CAS No. 115097-56-8

C₂₅H₃₄N₆O₆

M.W. 514.58

P-11169

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

11-beta, 17-dihydroxypregna-1,4–diene-3,20-disemicarbazone-21-yl acetate

CAS No. 96580-08-4

C25H36N6O6

M.W. 516.60

P-11172

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Difluoroprednisolone-17-Acetate

CAS No. 23674-85-3

C₂₃H₂₈F₂O₆

M.W. 438.47

P-11173

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Difluoroprednisolone-21-Acetate

CAS No. 52-70-0

C₂₃H₂₈F₂O₆

M.W. 438.47

P-11174

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Difluoroprednisolone-17,21-Diacetate

CAS No. 23641-05-6

C₂₅H₃₀F₂O₇

M.W. 480.50

P-11176

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Prednisolone Impurity 1

CAS No. 111186-92-6

C21H26O5

M.W. 358.43

P-11177

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Prednisolone Impurity 2

C21H26O5

M.W. 358.43

P-11178

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone Impurity 1

C₂₄H₃₂O₆

M.W. 416.52

P-11179

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone Impurity 2

C₂₄H₃₂O₆

M.W. 416.51

P-11180

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

6-alfa-Hydroxy Prednisolone

CAS No. 95909-33-4

C₂₁H₂₈O₆

M.W. 376.45

P-11186

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Prednisolone 21-Ethylcarbonate

C24H32O7

M.W. 432.51

P-11187

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Prednisolone Impurity 3

CAS No. 898-84-0

C₁₉H₂₄O₃

M.W. 300.40

P-11188

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Prednisolone Dicarbonate

CAS No. 1428883-48-0

C₂₇H₃₆O₉

M.W. 504.58

P-11191

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone EP Impurity J (Methylprednisolone Acetate, Methylprednisolone Hydrogen Succinate EP Impurity C)

CAS No. 53-36-1

C₂₄H₃₂O₆

M.W. 416.51

P-11192

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

11-epi-Prednisolone 21-Phosphate

C21H29O8P

M.W. 440.43

P-11193

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Prednisolone-11-Disodium Phosphate

C₂₁H₂₇O₈P. 2 Na

M.W. 438.41 2 22.99

P-11194

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Prednisolone-17-Disodium Phosphate

C₂₁H₂₇O₈P. 2 Na

M.W. 438.41 2 22.99

P-11196

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Prednisolone Impurity 10

C₂₁H₂₆O₅

M.W. 358.43

P-11197

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone Acetate EP Impurity J

CAS No. 1048031-82-8

C₂₄H₃₂O₆

M.W. 416.51

P-11198

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

16-beta-Hydroxy Prednisolone

CAS No. 2408699-72-7

C21H28O6

M.W. 376.45

P-111100

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone Impurity 3

C₂₆H₃₄O₈

M.W. 474.55

P-111102

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone EP Impurity A Hydrogen Succinate

C₂₆H₃₂O₈

M.W. 472.53

P-111103

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone Succinate Dimer

C₄₈H₆₂O₁₂

M.W. 831.01

P-111104

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone Acetate EP Impurity K

CAS No. 115321-98-7

C24H30O6

M.W. 414.50

P-111106

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone Impurity 4

C₂₁H₂₈O₄

M.W. 344.45

P-111107

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone Impurity 5

C₂₂H₂₈O₄

M.W. 356.46

P-111108

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone Impurity 6

C44H58O9

M.W. 730.94

P-111109

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone Acetate EP Impurity D

CAS No. 150899-33-5 (aldehyde form), 1338549-01-1 (diol form)

C₂₂H₂₈O₄. C₂₂H₃₀O₅

M.W. 356.46 374.48

P-111110

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Prednisolone Impurity 4 (Prednisolone Hemisuccinate)

CAS No. 2920-86-7

C₂₅H₃₂O₈

M.W. 460.52

P-111112

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone EP Impurity C (Methylprednisolone USP Related Compound C)

CAS No. 61919-52-6

C₂₀H₂₆O₃

M.W. 314.43

P-111113

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone Impurity 9

C₃₀H₃₈O₁₁

M.W. 574.62

P-11104

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Prednisolone Impurity B Tetrasodium Diphosphate

C₂₀H₂₄O₁₁P₂. 4 Na

M.W. 502.35 4 22.99

P-111114

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

11-epi-Prednisolone 21-Acetate

C₂₃H₃₀O₆

M.W. 402.49

P-111115

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Prednisolone Impurity 12

C₂₁H₂₇IO₄

M.W. 470.35

P-111116

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Prednisolone Impurity 13

CAS No. 905-52-2

C₂₁H₂₈O₄

M.W. 344.45

P-111118

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone EP Impurity G 21-Acetate

CAS No. 93239-37-3

C₂₄H₃₀O₅

M.W. 398.50

P-111123

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

20(R)-Hydroxy Prednisolone-d4

CAS No. 15847-24-2 (non-labelled)

C21H26D4O5

M.W. 366.49

P-111124

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

20(S)-Hydroxy Prednisolone-d4

CAS No. 2299-46-9 (non-labelled)

C21H26D4O5

M.W. 366.49

P-111129

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Prednisolone Impurity 14

C₂₄H₃₂O₆

M.W. 416.51

P-111130

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Prednisolone Impurity 15

C₂₄H₃₂O₆

M.W. 416.51

P-111131

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Prednisolone Impurity 16

CAS No. 167997-18-4

C₂₀H₂₆O₄

M.W. 330.42

P-111132

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Prednisolone Impurity 17

C24H32O5

M.W. 400.52

P-111133

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Prednisolone Impurity 18

C24H32O5

M.W. 400.52

P-111136

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone Impurity 10

CAS No. 1746-38-9

C₂₂H₃₀O₅

M.W. 374.48

P-111137

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone Impurity 11

CAS No. 105500-05-8

C₂₂H₃₀O₅

M.W. 374.48

P-111138

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone Impurity 12

C₂₆H₃₄O₈

M.W. 474.55

P-111140

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Prednisolone Impurity 19

C₂₁H₂₈O₅

M.W. 360.45

P-111148

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

6-alpha-Methyl Prednisolone-d7 (Methylprednisolone-d7)

C₂₂H₂₃D₇O₅

M.W. 381.52

P-111149

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone (Methylprednisolone Acetate EP Impurity B, Methylprednisolone Hydrogen Succinate EP Impurity A)

CAS No. 83-43-2

C₂₂H₃₀O₅

M.W. 374.48

P-111150

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Endrisone

CAS No. 35100-44-8

C22H30O3

M.W. 342.48

P-111151

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Prednisolone Impurity 20

CAS No. 75448-51-0

C₂₀H₂₆O₄

M.W. 330.42

P-111152

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Prednisolone Impurity 21

C₂₁H₂₆O₅

M.W. 358.43

P-111153

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

6,7-Dehydro Prednisolone 21-Acetate

CAS No. 2427-45-4

C₂₃H₂₈O₆

M.W. 400.47

P-111154

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Prednisolone Impurity 22

C₂₇H₃₆O₈

M.W. 488.58

P-111155

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Prednisolone Impurity 23

CAS No. 111186-94-8

C₂₁H₂₆O₅

M.W. 358.43

P-111157

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Prednisolone Impurity 24

C₂₂H₂₉O₈P. 2 Na

M.W. 452.44 2*22.99

P-111159

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Prednisolone Impurity 25

C₂₁H₂₆O₄

M.W. 342.44

P-111161

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

16-alpha-Methyl Prednisolone

CAS No. 10417-63-7

C₂₂H₃₀O₅

M.W. 374.48

P-111162

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Prednisolone Impurity 26

CAS No. 118864-88-3

C₂₁H₂₆O₄

M.W. 342.44

P-111163

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Prednisolone Impurity 27

CAS No. 111029-43-7

C₂₁H₂₆O₄

M.W. 342.43

P-111165

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone Acetate EP Impurity A (Mixture of Diastereomers)

CAS No. 151003-82-6

C₂₄H₃₄O₆

M.W. 418.53

P-111166

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone Acetate EP Impurity A (20S Isomer)

C₂₄H₃₄O₆

M.W. 418.53

P-111167

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone Impurity 14

C₂₆H₃₄O₈

M.W. 474.55

P-111168

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone Impurity 15

C₂₈H₃₄O₁₁

M.W. 546.57

P-111169

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone Impurity 16

CAS No. 85847-53-6

C₂₂H₂₉IO₄

M.W. 484.37

P-111170

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone Impurity 17

CAS No. 7055-53-0

C₂₂H₃₂O₄

M.W. 360.49

P-111171

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone 21-Hemisuccinate-d4

C₂₆H₃₀D₄O₈

M.W. 478.57

P-111172

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone 21-Hemisuccinate-d7

C₂₆H₂₇D₇O₈

M.W. 481.59

P-111173

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone Impurity 18

CAS No. 86413-24-3

C₂₆H₃₄O₇

M.W. 458.55

P-111174

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone Impurity 19

CAS No. 79512-62-2

C₂₈H₃₈O₇

M.W. 486.61

P-111175

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone Impurity 20

C₂₇H₃₈O₇

M.W. 474.59

P-111176

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Prednisolone Impurity 28

CAS No. 401797-30-6

C₂₆H_{34_O₇}

M.W. 458.55

P-111177

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone Impurity 21

CAS No. 23075-17-4

C₂₅H₃₄O₅

M.W. 414.54

P-111178

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone Impurity 22

C₂₇H₃₆O₇

M.W. 472.58

P-111179

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone Impurity 23

CAS No. 187244-73-1

C₂₂H₃₂O₄

M.W. 360.49

P-111180

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone Impurity 24

CAS No. 1048031-80-6

C₂₂H₃₀O₄

M.W. 358.48

P-111181

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone Impurity 25

CAS No. 111162-80-2

C₂₂H₂₈O₄

M.W. 356.46

P-111182

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone Impurity 26

CAS No. 1012306-79-4

C₂₂H₂₇IO₄

M.W. 482.36

P-111183

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone Impurity 27

CAS No. 4202-33-9

C₂₂H₃₂O₅

M.W. 376.49

P-111184

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone Impurity 28

C₂₂H₃₂O₅

M.W. 376.49

P-111185

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone Impurity 29

CAS No. 981-44-2

C₂₂H₃₀O₅

M.W. 374.48

P-111186

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone Impurity 30

C₂₂H₃₀O₅

M.W. 374.48

P-111187

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone Impurity 31

CAS No. 861-75-6

C₂₄H₃₂O₆

M.W. 416.51

P-111188

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone Impurity 32

C₂₄H₃₂O₆

M.W. 416.51

P-111189

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Prednisolone Impurity 30

C₂₁H₂₉O₈P

M.W. 440.43

P-111190

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone Impurity 7

C₂₄H₃₀O₆

M.W. 414.50

P-111191

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Prednisolone Impurity 31

CAS No. 264368-56-0

C₂₆H₃₆O₇

M.W. 460.57

P-111192

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Prednisolone Impurity 32

CAS No. 103497-66-1

C₂₅H₃₂O₇

M.W. 444.52

P-111193

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Prednisolone Impurity 33

C₂₅H₃₂O₇

M.W. 444.52

P-111194

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone Impurity 33

CAS No. 106502-98-1

C₂₂H₃₀O₅

M.W. 374.48

P-111195

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone Impurity 34

C₂₂H₂₈O₅

M.W. 372.46

P-111196

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone Impurity 35

CAS No. 229019-42-5

C₂₂H₃₀O₆

M.W. 390.48

P-111197

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

N/A

N/A

M.W. N/A

P-111198

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

N/A

N/A

M.W. N/A

P-111199

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

N/A

N/A

M.W. N/A

P-111200

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

N/A

N/A

M.W. N/A

P-111201

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

N/A

N/A

M.W. N/A

P-111202

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

N/A

N/A

M.W. N/A

P-111203

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

N/A

N/A

M.W. N/A

P-111204

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone Impurity 43 Ditriethylamine Salt

C₄₄H₆₆N₂O₁₅S₂. 2 Et₃N

M.W. 929.16 2*101.19

P-111205

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

N/A

N/A

M.W. N/A

P-111206

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

N/A

N/A

M.W. N/A

P-111207

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone Impurity 46

C₃₃H₄₈NO₁₀S. Na

M.W. 650.80 22.99

P-111209

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Prednisolone 21-O-Glucuronide

C₂₇H₃₆O₁₁

M.W. 536.57

P-111210

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Prednisolone-d6 21-O-Glucuronide

C₂₇H₃₀D₆O₁₁

M.W. 542.61

P-111211

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone Impurity 47

C₂₆H₃₂O₈

M.W. 472.53

P-111212

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone Impurity 48

C₃₈H₅₄O₁₁

M.W. 686.84

P-111213

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone Impurity 50

C₂₂H₃₀O₅

M.W. 374.48

P-111214

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone Impurity 51

C₂₂H₂₈O₅

M.W. 372.46

P-111215

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone Impurity 52

C₂₂H₂₈O₅

M.W. 372.46

P-111216

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone Impurity 49

C₃₈H₅₄O₁₁

M.W. 686.84

P-111217

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

N/A

N/A

M.W. N/A

P-111218

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

N/A

N/A

M.W. N/A

P-111219

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Prednylidene

CAS No. 599-33-7

C₂₂H₂₈O₅

M.W. 372.46

P-111221

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Prednisolone Impurity 36

C₂₉H₃₈O₈

M.W. 514.62

P-111222

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Prednisolone Impurity 37

C₂₆H₃₄O₈

M.W. 474.55

P-111223

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone Acetate EP Impurity F

C₂₄H₃₀O₅

M.W. 398.50

P-111224

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone Acetate EP Impurity H (Mixture of E and Z isomer)

C₂₄H₃₂O₄

M.W. 384.52

P-111225

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Prednisolone Impurity 38

CAS No. 137759-51-4

C₂₅H₃₄O₆

M.W. 430.54

P-111226

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Prednisolone Impurity 39

CAS No. 17652-24-3

C₂₅H₃₂O₇

M.W. 444.52

P-111227

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Prednisolone Impurity 40

CAS No. 3517-48-4

C₂₅H₃₄O₇

M.W. 446.54

P-111228

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Prednisolone Impurity 41

CAS No. 76282-98-9

C₂₃H₃₂O₇

M.W. 420.50

P-111229

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Prednisolone Impurity 42

CAS No. 106822-21-3

C₂₅H₃₂O₆

M.W. 428.53

P-111230

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Prednisolone Impurity 43

CAS No. 95440-71-4

C₂₃H₂₈O₆

M.W. 400.47

P-111231

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Prednisolone Impurity 44

CAS No. 6677-19-6

C₂₅H₃₀O₇

M.W. 442.51

P-111232

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Prednisolone Impurity 45

CAS No. 34647-56-8

C₂₁H₂₈O₆

M.W. 376.45

P-111233

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Prednisolone Impurity 46

CAS No. 134451-07-3

C₂₁H₂₈O₅

M.W. 360.45

P-111234

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Prednisolone Impurity 47

CAS No. 118864-87-2

C₂₁H₂₆O₄

M.W. 342.44

P-111235

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Prednisolone Impurity 48

CAS No. 24808-87-5

C₂₅H₃₀O₈

M.W. 458.51

P-111236

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Prednisolone Impurity 49

C₂₇H₃₆O₈

M.W. 488.58

P-111241

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone Impurity 53

C₂₄H₃₀O₅

M.W. 398.50

P-111242

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Prednisolone-d7

C₂₁H₂₁D₇O₅

M.W. 367.49

P-111243

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone Impurity 54

C₄₄H₅₈O₁₀

M.W. 746.94

P-111245

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Prednisolone Impurity 50

CAS No. 2490478-58-3

C₂₁H₂₅IO₃

M.W. 452.33

P-111246

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Prednisolone-d4

CAS No. 115397-50-7

C₂₁H₂₄D₄O₅

M.W. 364.47

P-111247

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

17-Epi Methylprednisolone

C₂₂H₃₀O₅

M.W. 374.48

P-111249

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Methylprednisolone-d3 (Methylprednisolone Acetate EP Impurity B-d3, Methylprednisolone Hydrogen Succinate EP Impurity A-d3)

CAS No. 2280940-15-8

C₂₂H₂₇D₃O₅

M.W. 377.50

P-111250

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Prednisolone Impurity 51

C₂₁H₃₁O₁₁PS

M.W. 522.50

P-111251

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

Prednisolone Impurity 52

C₂₁H₃₁O₁₁PS

M.W. 522.50

P-111252

Prednisolone EP Impurity C (Hydrocortisone Acetate EP Impurity C, Methylprednisolone Acetate EP Impurity E, Prednisone EP Impurity L, Prednisolone 21-Acetate)

16α-Methylprednisolone 21-Acetate

CAS No. 13209-52-4

C₂₄H₃₂O₆

M.W. 416.51