(8S,9R,10S,11S,13S,14S,16R,17R)-17-Acetyl-9-fluoro-11,17-dihydroxy-10,13,16-trimethyl-6,7,8,11,12,14,15,16-octahydrocyclopenta[a]phenanthren-3-one

Also known as: 1,4-PREGNADIEN-9-ALPHA-FLUORO-16-ALPHA-METHYL-11-BETA, 17,DIOL-3,20-DIONE, 16α-Methyl-11β,17α-dihydroxy-9α-fluoropregna-1,4-diene-3,20-dione, 21-DEOXYDEXAMETHASONE, 21-Dehydro Dexamethasone, 21-DeoxydexamethasoneQ: What is 21-Deoxydexamethasone Q: What is the CAS Number of 21-Deoxydexamethasone, 9-fluoro-11β,17-dihydroxy-16α-methylpregna-1,4-diene-3,20-dione (21-deoxydexamethasone)., Dexamethasone Isonicotinate EP Impurity C, Dexamethasone Isonicotinate Impurity 3(Dexamethasone Isonicotinate EP Impurity C), Pregna-1,4-diene-3,20-dione, 9-fluoro-11,17-dihydroxy-16-methyl-, (11β,16α)-

(8S,9R,10S,11S,13S,14S,16R,17R)-17-Acetyl-9-fluoro-11,17-dihydroxy-10,13,16-trimethyl-6,7,8,11,12,14,15,16-octahydrocyclopenta[a]phenanthren-3-one (CAS 426-15-3) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C22H29FO4 and a molecular weight of 376.5 g/mol. It is also known as 1,4-PREGNADIEN-9-ALPHA-FLUORO-16-ALPHA-METHYL-11-BETA, 17,DIOL-3,20-DIONE, 16α-Methyl-11β,17α-dihydroxy-9α-fluoropregna-1,4-diene-3,20-dione and 21-DEOXYDEXAMETHASONE. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

426-15-3

Jingsj CID

J-1671643-8

Molecular Formula

C₂₂H₂₉FO₄

Molecular Weight

376.5 g/mol

Category

Organic Compounds

Last updated

8/21/2026