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Betamethasone Impurity 89

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Betamethasone Impurity 89

Impurity

CAS Number

37926-77-5

Molecular Formula

C23H31FO5

Product format

Neat

Molecular Weight

406.49

API Family

Betamethasone Dipropionate

Synonyms

Dexamethasone ethyl ester; 5KT8B52Q86; 37926-77-5; RefChem:1083220; Dexamethasone acid ethyl ester; Dexamethasone_ethyl_ester; 2991360-83-7; Dexamethasone ethyl ester [USP IMPURITY]; UNII-5KT8B52Q86; Androsta-1, 4-diene-17-carboxylic acid, 9-fluoro-11, 17-dihydroxy-16-methyl-3-oxo-, ethyl ester, (11beta, 16beta, 17alpha)-; Ethyl 11beta, 17alpha-dihydroxy-9-fluoro-16alpha-methylandrostane-1, 4-diene-3-one-17-ylcarboxylate; (8S, 9R, 10S, 11S, 13S, 14S, 16R, 17R)-ethyl 9-fluoro-11, 17-dihydroxy-10, 13, 16-trimethyl-3-oxo-6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17-dodecahydro-3H-cyclopenta[a]phenanthrene-17-carboxylate; ANDROSTA-1, 4-DIENE-17-CARBOXYLIC ACID, 9-FLUORO-11, 17-DIHYDROXY-16-METHYL-3-OXO-, ETHYL ESTER, (11.BETA., 16.BETA., 17.ALPHA.)-; Ethyl (8S, 9R, 10S, 11S, 13S, 14S, 16R, 17R)-9-fluoro-11, 17-dihydroxy-10, 13, 16-trimethyl-3-oxo-6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17-dodecahydro-3H-cyclopenta[a]phenanthrene-17-carboxylate; ETHYL 11.BETA., 17.ALPHA.-DIHYDROXY-9-FLUORO-16.ALPHA.-METHYLANDROSTANE-1 and 4-DIENE-3-ONE-17-YLCARBOXYLATE

Iupac Name

ethyl (8S, 9R, 10S, 11S, 13S, 14S, 16R, 17R)-9-fluoro-11, 17-dihydroxy-10, 13, 16-trimethyl-3-oxo-6, 7, 8, 11, 12, 14, 15 and 16-octahydrocyclopenta[a]phenanthrene-17-carboxylate

InChI

InChI=1S/C23H31FO5/c1-5-29-19(27)23(28)13(2)10-17-16-7-6-14-11-15(25)8-9-20(14,3)22(16,24)18(26)12-21(17,23)4/h8-9,11,13,16-18,26,28H,5-7,10,12H2,1-4H3/t13-,16+,17+,18+,20+,21+,22+,23+/m1/s1

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Impurity

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