17|A-Cyanomethylestra-1,3,5(10)-triene-3,17|A-diol

Also known as: 17-hydroxy-3-oxoestra-5(10),9(11)-dien-17α-yl]acetonitrile,, 17α-?Cyanomethylestra-?1,?3,?5(10)?-?triene-?3,?17β-?diol, 17β-Cyanmethyl-oestra-1,3,5(10)-trien-3,17β-diol, 19-Norpregna-1,3,5(10)-triene-21-nitrile, 3,17-dihydroxy-, (17α)-, 2-((8R,9S,13S,14S,17R)-3,17-Dihydroxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-yl)acetonitrile (Dienogest Impurity), Dienogest Impurity 4 (Dienogest EP Impurity H), [3,17-Dihydroxyestra-1,3,5(10)-trien-17α-yl]acetonitrile, （17α-Cyanmethyl-oestra-1,3,5(10)-trien-3,17β-diol）

17|A-Cyanomethylestra-1,3,5(10)-triene-3,17|A-diol (CAS 16669-06-0) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C20H25NO2 and a molecular weight of 311.4 g/mol. It is also known as 17-hydroxy-3-oxoestra-5(10),9(11)-dien-17α-yl]acetonitrile,, 17α-?Cyanomethylestra-?1,?3,?5(10)?-?triene-?3,?17β-?diol and 17β-Cyanmethyl-oestra-1,3,5(10)-trien-3,17β-diol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

16669-06-0

Jingsj CID

J-1907658-6

Molecular Formula

C₂₀H₂₅NO₂

Molecular Weight

311.4 g/mol

Category

Organic Compounds

Last updated

8/21/2026