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BUDESONIDE

B-0320

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Catalogue Number:	B-0320
Compound Name:	Budesonide EP Impurity A (16-alpha-Hydroxy-Prednisolone)
Synonyms:	(8S,9S,10R,11S,13S,14S,16R,17S)-11,16,17-trihydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-3-one
CAS#:	13951-70-7
Alternate CAS#:
Molecular Formula:	C₂₁H₂₈O₆
Molecular Weight:	376.45

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B-031

Budesonide-d8 (Mixture of Diastereomers)

Budesonide-d8 (Mixture of Diastereomers)

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M.W. 438.59

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Budesonide-d8 (Mixture of Diastereomers)

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C₂₅H₃₄O₆

M.W. 430.54

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Budesonide-d8 (Mixture of Diastereomers)

(22R)-Budesonide

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C₂₅H₃₄O₆

M.W. 430.54

B-034

Budesonide-d8 (Mixture of Diastereomers)

Budesonide (Mixture of Diastereomers)

CAS No. 51333-22-3

C₂₅H₃₄O₆

M.W. 430.54

B-035

Budesonide-d8 (Mixture of Diastereomers)

Budesonide EP Impurity D (Mixture of Diastereomers)

C₂₅H₃₂O₆ C₂₅H₃₄O₇

M.W. 428.53 446.54

B-036

Budesonide-d8 (Mixture of Diastereomers)

6-alpha-Hydroxy Budesonide (Mixture of Diastereomers)

CAS No. 577777-51-6

C₂₅H₃₄O₇

M.W. 446.54

B-037

Budesonide-d8 (Mixture of Diastereomers)

6-beta-Hydroxy Budesonide (Mixture of Diastereomers)

CAS No. 88411-77-2

C₂₅H₃₄O₇

M.W. 446.54

B-038

Budesonide-d8 (Mixture of Diastereomers)

Budesonide EP Impurity K (Mixture of Diastereomers)

CAS No. 51333-05-2

C₂₇H₃₆O₇

M.W. 472.58

B-039

Budesonide-d8 (Mixture of Diastereomers)

Budesonide EP Impurity L (Budesonide USP Related Compound L, 11-Keto Budesonide) (Mixture of Diastereomers)

CAS No. 216453-74-6

C₂₅H₃₂O₆

M.W. 428.53

B-0310

Budesonide-d8 (Mixture of Diastereomers)

Budesonide EP Impurity E (Budesonide USP Related Compound E, 14,15-Dehydro Budesonide)

CAS No. 131918-64-4

C₂₅H₃₂O₆

M.W. 428.53

B-0311

Budesonide-d8 (Mixture of Diastereomers)

Budesonide EP Impurity B (Mixture of Diastereomers)

CAS No. 1040085-98-0

C₂₃H₃₀O₆

M.W. 402.49

B-0312

Budesonide-d8 (Mixture of Diastereomers)

Budesonide EP Impurity G (Budesonide USP Related Compound G, 1,2-Dihydro Budesonide) (Mixture of Diastereomers)

CAS No. 137174-25-5

C₂₅H₃₆O₆

M.W. 432.56

B-0313

Budesonide-d8 (Mixture of Diastereomers)

6-Beta-Hydroxy-Budesonide-d7

CAS No. N/A

C25H27O7D7

M.W. 453.59

B-0314

Budesonide-d8 (Mixture of Diastereomers)

Budesonide Sulfate Triethylamine Salt (Mixture of Diastereomers)

CAS No. 1436872-65-9

C₂₅H₃₄O₉S. Et₃N

M.W. 510.60 101.19

B-0315

Budesonide-d8 (Mixture of Diastereomers)

23-Hydroxy Budesonide (Mixture of Diastereomers)

CAS No. 109423-03-2

C₂₅H₃₄O₇

M.W. 446.55

B-0316

Budesonide-d8 (Mixture of Diastereomers)

24-Hydroxy Budesonide (Mixture of Diastereomers)

C₂₅H₃₄O₇

M.W. 446.55

B-0317

Budesonide-d8 (Mixture of Diastereomers)

6-Beta-Hydroxy Budesonide Sulfate

CAS No. N/A

C25H34O10S

M.W. 526.61

B-0319

Budesonide-d8 (Mixture of Diastereomers)

Desonide-21-Acetate

CAS No. 25092-25-5

C₂₆H₃₄O₇

M.W. 458.55

B-0321

Budesonide-d8 (Mixture of Diastereomers)

6-alpha-Methyl Prednisolone-d3

CAS No. N/A

C22H27O5D3

M.W. 377.50

B-0322

Budesonide-d8 (Mixture of Diastereomers)

Budesonide EP Impurity C (D-Homo Budesonide)

CAS No. 1040085-99-1

C₂₅H₃₄O₆

M.W. 430.54

B-0323

Budesonide-d8 (Mixture of Diastereomers)

Budesonide Impurity 2

CAS No. 910299-74-0

C₁₉H₂₄O₄

M.W. 316.40

B-0324

Budesonide-d8 (Mixture of Diastereomers)

17-Carboxy Budesonide

CAS No. 192057-49-1

C₂₄H₃₂O₆

M.W. 416.51

B-0325

Budesonide-d8 (Mixture of Diastereomers)

Androstandionic Impurity 1

CAS No. 85234-64-6

C₂₃H₃₀O₅

M.W. 386.49

B-0326

Budesonide-d8 (Mixture of Diastereomers)

Budesonide Impurity 1 (Mixture of Diastereomers)

C₂₅H₃₂O₇

M.W. 444.52

B-0330

Budesonide-d8 (Mixture of Diastereomers)

Budesonide EP Impurity J (Mixture of Diastereomers)

CAS No. 313474-59-8

C₂₅H₃₃BrO₆

M.W. 509.44

B-0329

Budesonide-d8 (Mixture of Diastereomers)

Budesonide EP Impurity I

CAS No. 113930-13-5

C₂₅H₃₄O₇

M.W. 446.54

B-0328

Budesonide-d8 (Mixture of Diastereomers)

Budesonide EP Impurity H (Mixture of Diastereomers)

CAS No. 313474-58-7

C₂₅H₃₂O₅

M.W. 412.53

B-0331

Budesonide-d8 (Mixture of Diastereomers)

Budesonide 21-Butyrate (Mixture of Diastereomers)

CAS No. 2408495-96-3

C₂₉H₄₀O₇

M.W. 500.63

B-0332

Budesonide-d8 (Mixture of Diastereomers)

22S-6-beta-Hydroxy Budesonide

C25H34O7

M.W. 446.54

B-0333

Budesonide-d8 (Mixture of Diastereomers)

22R-6-beta-Hydroxy Budesonide

C25H34O7

M.W. 446.54

B-0334

Budesonide-d8 (Mixture of Diastereomers)

6-beta-Hydroxy 21-Acetyloxy Budesonide

C27H36O8

M.W. 488.58

B-0335

Budesonide-d8 (Mixture of Diastereomers)

Budesonide Impurity 3

CAS No. 3044-42-6

C₂₃H₂₈O₅

M.W. 384.47

B-0336

Budesonide-d8 (Mixture of Diastereomers)

Budesonide Impurity 4

C₂₁H₂₈O₆

M.W. 376.45

B-0337

Budesonide-d8 (Mixture of Diastereomers)

Budesonide Impurity 5

CAS No. 131918-72-4

C₂₃H₂₈O₇

M.W. 416.47

B-0338

Budesonide-d8 (Mixture of Diastereomers)

Budesonide Impurity 6

CAS No. 131918-73-5

C₂₁H₂₆O₆

M.W. 374.43

B-0339

Budesonide-d8 (Mixture of Diastereomers)

Budesonide Impurity 7

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C₂₃H₂₈O₇

M.W. 416.47

B-0340

Budesonide-d8 (Mixture of Diastereomers)

Budesonide Impurity 8

CAS No. 3754-05-0

C₂₁H₂₆O₆

M.W. 374.43

B-0341

Budesonide-d8 (Mixture of Diastereomers)

Budesonide Impurity 9

CAS No. 1188271-73-9

C21H26O6

M.W. 374.43

B-0342

Budesonide-d8 (Mixture of Diastereomers)

Budesonide Impurity 10

CAS No. 1171-81-9

C21H30O6

M.W. 378.47

B-0343

Budesonide-d8 (Mixture of Diastereomers)

Budesonide Impurity 11

CAS No. 39672-76-9

C₂₁H₂₆O₅

M.W. 358.43

B-0344

Budesonide-d8 (Mixture of Diastereomers)

Budesonide Impurity 12

CAS No. 77017-20-0

C₂₃H₂₈O₆

M.W. 400.47

B-0345

Budesonide-d8 (Mixture of Diastereomers)

Budesonide Impurity 13

C₂₁H₂₇BrO₆

M.W. 455.35

B-0346

Budesonide-d8 (Mixture of Diastereomers)

Budesonide Impurity 14

CAS No. 2396-43-2

C₁₂H₂₄O₃

M.W. 216.32

B-0347

Budesonide-d8 (Mixture of Diastereomers)

Budesonide Impurity 15

CAS No. 58404-37-8

C23H28O7

M.W. 416.47

B-0348

Budesonide-d8 (Mixture of Diastereomers)

Budesonide Impurity 16

CAS No. 77017-17-5

C₂₁H₂₆O₅

M.W. 358.43

B-0349

Budesonide-d8 (Mixture of Diastereomers)

Budesonide Impurity 17

C21H26O5

M.W. 358.43

B-0350

Budesonide-d8 (Mixture of Diastereomers)

Budesonide Impurity 18

CAS No. 95943-95-6

C₂₅H₃₀O₇

M.W. 442.51

B-0351

Budesonide-d8 (Mixture of Diastereomers)

Budesonide Impurity 19

C₂₄H₃₂O₆

M.W. 416.51

B-0352

Budesonide-d8 (Mixture of Diastereomers)

Budesonide EP Impurity A-d4

C₂₁H₂₄D₄O₆

M.W. 380.47

B-0353

Budesonide-d8 (Mixture of Diastereomers)

Budesonide Impurity 20

C₂₁H₂₆O₆

M.W. 374.43

B-0354

Budesonide-d8 (Mixture of Diastereomers)

Budesonide Impurity 21

C₂₅H₃₄O₆

M.W. 430.54

B-0355

Budesonide-d8 (Mixture of Diastereomers)

Budesonide Impurity 22

C₂₅H₃₄O₅

M.W. 414.54

B-0356

Budesonide-d8 (Mixture of Diastereomers)

Budesonide Impurity 23

C₂₅H₃₄O₅

M.W. 414.542

B-0357

Budesonide-d8 (Mixture of Diastereomers)

Budesonide Impurity 24

CAS No. 601-38-7

C₂₁H₂₈O₅

M.W. 360.45

B-0358

Budesonide-d8 (Mixture of Diastereomers)

Budesonide Impurity 25

C₂₀H₂₄O₄

M.W. 328.41

B-0359

Budesonide-d8 (Mixture of Diastereomers)

Budesonide Impurity 26

C₃₂H₄₂O₇

M.W. 538.68

B-0360

Budesonide-d8 (Mixture of Diastereomers)

Budesonide Impurity 27

CAS No. 1234572-34-9

C₂₃H₂₈O₅

M.W. 384.47

B-0361

Budesonide-d8 (Mixture of Diastereomers)

Budesonide Impurity 28

CAS No. 1105542-93-5

C₂₅H₃₂O₆

M.W. 428.53

B-0362

Budesonide-d8 (Mixture of Diastereomers)

23-Chloro Budesonide

C₂₅H₃₃ClO₆

M.W. 464.98

B-0363

Budesonide-d8 (Mixture of Diastereomers)

Budesonide Impurity 29

C₂₄H₃₂O₅

M.W. 400.52

B-0364

Budesonide-d8 (Mixture of Diastereomers)

Budesonide Impurity 30

C₂₄H₃₂O₆

M.W. 416.51

B-0365

Budesonide-d8 (Mixture of Diastereomers)

Budesonide Impurity 31

C₂₄H₃₂O₆

M.W. 416.51

B-0366

Budesonide-d8 (Mixture of Diastereomers)

Budesonide Impurity 32

C₂₁H₂₆O₄

M.W. 342.44

B-0367

Budesonide-d8 (Mixture of Diastereomers)

Budesonide Impurity 33

C₂₇H₃₄O₁₀

M.W. 518.56

B-0368

Budesonide-d8 (Mixture of Diastereomers)

Budesonide Impurity 34

C₂₇H3₅NO₉

M.W. 517.58

B-0369

Budesonide-d8 (Mixture of Diastereomers)

(22R)-Budesonide-d8

C₂₅H₂₆D₈O₆

M.W. 438.59