4-PREGNENE-17-A-20-B-21-TRIOL-*3-11-DION E

17α,20β,21-三羟基-4-孕烯-3,11-二酮

Also known as: (20R)-17,20,21-Trihydroxypregn-4-ene-3,11-dione, (8S,9S,10R,13S,14S,17R)-17-[(1R)-1,2-dihydroxyethyl]-17-hydroxy-10,13-dimethyl-1,2,6,7,8,9,12,14,15,16-decahydrocyclopenta[a]phenanthrene-3,11-dione, 17-alpha,20-beta,21-trihydroxypregn-4-ene-3,11-dione, 17ALPHA,20B,21-Trihydroxy-4-pregnene-3,11-dione, 17|A,20|A,21-Trihydroxy-4-pregnene-3,11-dione, 202-Dihydrocortisone, 20beta-Dihydrocortisone, 20beta-Hydroxycortisone, 20|A-Dihydrocortisone, 20α-Dihydrocortisone, 4-Pregnene-17alpha,20beta,21-triol-3,11-dione, 4-Pregnene-17|A,20|A,21-triol-3,11-dione, 4-Pregnene-17α,20β,21-triol-3,11-dione, Reichstein inverted exclamation mark s substance U, Reichstein's substance U, UNII-T35G4D30OP

4-PREGNENE-17-A-20-B-21-TRIOL-*3-11-DION E (CAS 116-59-6) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C21H30O5 and a molecular weight of 362.46000 g/mol. It is also known as (20R)-17,20,21-Trihydroxypregn-4-ene-3,11-dione, (8S,9S,10R,13S,14S,17R)-17-[(1R)-1,2-dihydroxyethyl]-17-hydroxy-10,13-dimethyl-1,2,6,7,8,9,12,14,15,16-decahydrocyclopenta[a]phenanthrene-3,11-dione and 17-alpha,20-beta,21-trihydroxypregn-4-ene-3,11-dione. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

116-59-6

Jingsj CID

J-89909-5

Molecular Formula

C₂₁H₃₀O₅

Chinese Name

17α,20β,21-三羟基-4-孕烯-3,11-二酮

Molecular Weight

362.46000 g/mol

Category

Ketones

Last updated

8/21/2026