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TLC Pharmaceutical Standards

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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 Acetate EP Impurity D

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Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

D-Homo A Derivative of Prednisolone

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Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

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C22H26D4O5

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Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

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C23H30O7

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Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

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Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Methylprednisolone Hydrogen Succinate EP Impurity B (Methylprednisolone 17-Hydrogen Succinate)

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C26H34O8

M.W. 474.55

P-11117

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

6-beta-Methyl Isomer of Methylhydrocortisone 21-Hydrogen Succinate

C26H34O8

M.W. 474.56

P-11118

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Prednisolone Phosphate

C21H29O8P

M.W. 440.43

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Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Methylprednisolone Acetate EP Impurity C

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C22H30O6. C22H28O5

M.W. 390.48 372.47

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Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Methylprednisolone EP Impurity D (Methylprednisolone Related Impurity B1)

CAS No. 1338549-02-2

C₂₂H₂₈O₄

M.W. 356.46

P-11122

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Prednisolone Impurity B (Carboxylic Acid)

CAS No. 37927-29-0

C₂₀H₂₆O₅

M.W. 346.43

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Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

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C21H30O11P2

M.W. 520.41

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Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

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C21H22O5D6

M.W. 366.49

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Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Methylprednisolone 21-Propionate

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C25H34O6

M.W. 430.54

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Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Methylprednisolone Ethylothopropionate

CAS No. 85198-27-2

C27H38O6

M.W. 458.60

P-11131

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Methylprednisolone 17-Propionate

CAS No. 79512-61-1

C25H34O6

M.W. 430.54

P-11132

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

11-beta,17-alfa-Dihydroxy-17-[(phosphonooxy)methyl]-D-homoandrosta-1,4-diene-3,17a-dione

C21H29O8P

M.W. 440.42

P-11133

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Prednisolone EP Impurity E (14-Alpha-hydroxy Prednisolone)

CAS No. 95815-58-0

C21H28O6

M.W. 376.45

P-11134

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Prednisolone EP Impurity F (11-epi-Prednisolone)

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C21H28O5

M.W. 360.45

P-11135

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Prednisolone EP Impurity I (17-Deoxy Prednisolone)

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C21H28O4

M.W. 344.45

P-11136

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Prednisolone EP Impurity J (11-Deoxy Prednisolone)

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C21H28O4

M.W. 344.45

P-11139

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Prednisolone Impurity (21-Oxygroup-20-Phosphoryl-11beta-Hydroxylpregna-1, 4, 17-triene-3-Ketone)

CAS No. N/A

C21H27O7P

M.W. 422.42

P-11140

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Prednisolone Impurity E

CAS No. N/A

C21H30O11P2

M.W. 520.41

P-11141

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Methylprednisolone Acetate EP Impurity A

C24H34O6

M.W. 418.53

P-11142

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Methylprednisolone Impurity 13

C₂₄H₃₂O₅

M.W. 400.52

P-11143

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Methylprednisolone Acetate EP Impurity H

CAS No. N/A

C24H32O4

M.W. 384.52

P-11144

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Methylprednisolone Acetate EP Impurity G

CAS No. 1625-11-2

C24H34O6

M.W. 418.53

P-11145

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Methylprednisolone EP Impurity E

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C21H28O4

M.W. 344.45

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Methylprednisolone EP Impurity F

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M.W. 376.49

P-11147

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Methylprednisolone EP Impurity G

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C22H28O4

M.W. 356.47

P-11148

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Methylprednisolone EP Impurity L

CAS No. 6870-94-6

C₂₂H₃₀O₄

M.W. 358.48

P-11149

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Methylprednisolone EP impurity H (6-beta-Methyl Prednisolone)

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C22H30O5

M.W. 374.48

P-11150

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Methylprednisolone Hydrogen Succinate EP Impurity D

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C26H36O8

M.W. 476.57

P-11151

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Prednisolone Impurity (9-Hydroxy Prednisolone)

C21H28O5

M.W. 360.45

P-11152

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Prednisolone 21-Dimethylamine

C23H33NO4

M.W. 387.52

P-11153

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Prednisolone 21-Formate

CAS No. 2141-22-2

C22H28O6

M.W. 388.46

P-11154

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Prednisolone Sodium 21-Metasulfobenzoate

C28H31O9S . Na

M.W. 543.62 22.99

P-11161

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Methylprednisolone Glucuronide

C28H38O11

M.W. 550.61

P-11162

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Methylprednisolone Sulfate

C22H30O8S

M.W. 454.54

P-11163

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Prednisolone Impurity A

C21H29O8P

M.W. 440.43

P-11165

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Prednisolone Succinate Sodium Salt

CAS No. 1715-33-9

C25H31O8. Na

M.W. 459.52 22.99

P-11166

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Prednisolone EP Impurity D

CAS No. 16355-29-6

C21H28O6

M.W. 376.45

P-11167

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Prednisolone EP Impurity H

CAS No. 2427-64-7

C21H26O5

M.W. 358.43

P-11168

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Prednisolone Impurity 11 (Mixture of Z and E Isomers)

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C25H34N6O6

M.W. 514.58

P-11169

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

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

CAS No. 96580-08-4

C25H36N6O6

M.W. 516.60

P-11170

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Methylprednisolone Impurity B

C22H30O6

M.W. 390.48

P-11172

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Difluoroprednisolone-17-Acetate

C23H28F2O6

M.W. 438.47

P-11173

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Difluoroprednisolone-21-Acetate

C23H28F2O6

M.W. 438.47

P-11174

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Difluoroprednisolone-17,21-Diacetate

CAS No. 23641-05-6

C25H30F2O7

M.W. 480.50

P-11195

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Prednisolone Impurity 9

C21H26O4

M.W. 342.44

P-11176

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Prednisolone Impurity 1

CAS No. 111186-92-6

C21H26O5

M.W. 358.43

P-11177

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Prednisolone Impurity 2

C21H26O5

M.W. 358.43

P-11178

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Methylprednisolone Impurity 1

C24H32O6

M.W. 416.52

P-11179

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Methylprednisolone Impurity 2

C24H32O6

M.W. 416.51

P-11180

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

6-alfa-Hydroxy Prednisolone

CAS No. 95909-33-4

C21H28O6

M.W. 376.45

P-11186

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Prednisolone 21-Ethylcarbonate

C24H32O7

M.W. 432.51

P-11187

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Prednisolone Impurity 3

CAS No. 898-84-0

C19H24O3

M.W. 300.40

P-11188

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Prednisolone Dicarbonate

C26H34O9

M.W. 490.55

P-11189

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Prednisolone 20-ethyl ester

C25H34O7

M.W. 446.54

P-11191

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Methylprednisolone EP Impurity J (Methylprednisolone Acetate)

CAS No. 53-36-1

C24H32O6

M.W. 416.51

P-11192

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

11-epi-Prednisolone 21-Phosphate

C21H29O8P

M.W. 440.43

P-11193

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Prednisolone-11-Disodium Phosphate

C21H27Na2O8P

M.W. 484.39

P-11194

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Prednisolone-17-Disodium Phosphate

C21H27Na2O8P

M.W. 484.39

P-11196

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Prednisolone Impurity 10

C21H26O5

M.W. 358.43

P-11197

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Methylprednisolone Acetate EP Impurity J

CAS No. 1048031-82-8

C24H32O6

M.W. 416.51

P-11198

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

16-beta-Hydroxy Prednisolone

C21H28O6

M.W. 376.45

P-111100

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Methylprednisolone Impurity 3

C26H34O8

M.W. 474.55

P-111102

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Methylprednisolone EP Impurity A hydrogen succinate

C26H32O8

M.W. 472.53

P-111103

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Methylprednisolone Succinate Dimer

C48H62O12

M.W. 831.01

P-111104

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Methylprednisolone Acetate EP Impurity K

CAS No. 115321-98-7

C24H30O6

M.W. 414.50

P-111106

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Methylprednisolone Impurity 4

C21H28O4

M.W. 344.45

P-111107

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Methylprednisolone Impurity 5

C22H28O4

M.W. 356.46

P-111108

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Methylprednisolone Impurity 6

C44H58O9

M.W. 730.94

P-111109

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Methylprednisolone Impurity 7

C22H28O4

M.W. 356.46

P-111110

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Prednisolone Impurity 4 (Prednisolone Hemisuccinate)

CAS No. 2920-86-7

C₂₅H₃₂O₈

M.W. 460.52

P-111112

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Methylprednisolone EP Impurity C

CAS No. 61919-52-6

C20H26O3

M.W. 314.43

P-111113

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Methylprednisolone Impurity 9

C30H38O11

M.W. 574.62

P-11104

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Prednisolone Impurity B Tetrasodium Diphosphate

C20H24O11P2. 4 Na

M.W. 502.35 4 22.99

P-111114

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

11-epi-Prednisolone 21-Acetate

C23H30O6

M.W. 402.49

P-111115

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Prednisolone Impurity 12

C21H27IO4

M.W. 470.35

P-111116

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Prednisolone Impurity 13

CAS No. 905-52-2

C21H28O4

M.W. 344.45

P-111118

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Methylprednisolone EP Impurity G 21-Acetate

C24H30O5

M.W. 398.50

P-111123

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

20(R)-Hydroxy Prednisolone-d4

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

C21H26D4O5

M.W. 366.49

P-111124

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

20(S)-Hydroxy Prednisolone-d4

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

C21H26D4O5

M.W. 366.49

P-111129

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Prednisolone Impurity 14

C24H32O6

M.W. 416.51

P-111130

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Prednisolone Impurity 15

C24H32O6

M.W. 416.51

P-111131

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Prednisolone Impurity 16

CAS No. 167997-18-4

C₂₀H₂₆O₄

M.W. 330.42

P-111132

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Prednisolone Impurity 17

C24H32O5

M.W. 400.52

P-111133

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Prednisolone Impurity 18

C24H32O5

M.W. 400.52

P-111136

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Methylprednisolone Impurity 10

CAS No. 1746-38-9

C22H30O5

M.W. 374.48

P-111137

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Methylprednisolone Impurity 11

C22H30O5

M.W. 374.48

P-111138

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Methylprednisolone Impurity 12

C26H34O8

M.W. 474.55

P-111140

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Prednisolone Impurity 19

C21H28O5

M.W. 360.45

P-111148

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

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

CAS No. 83-43-2 (non-labelled)

C22H23D7O5

M.W. 381.52

P-111149

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Methylprednisolone

CAS No. 83-43-2

C22H30O5

M.W. 374.48

P-111150

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Endrisone

CAS No. 35100-44-8

C22H30O3

M.W. 342.48

P-111151

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Prednisolone Impurity 20

CAS No. 75448-51-0

C₂₀H₂₆O₄

M.W. 330.42

P-111152

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

Prednisolone Impurity 21

C₂₁H₂₆O₅

M.W. 358.43

P-111153

Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate)

6,7-Dehydro Prednisolone 21-Acetate

CAS No. 2427-45-4

C₂₃H₂₈O₆

M.W. 400.47