This compound is a pharmaceutical intermediate used in the manufacturing of fulvestrant, a steroidal antiestrogen. It features a cyclopenta[a]phenanthrene core with a bromononyl side chain and hydroxyl groups.
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
Sourcing or supplying this compound?
List your inventory or post a purchase request
CAS 875573-67-4
FULVESTRANT EP IMPURITY D
pharmaceutical impurity reference standard
(7a,17b)-7-(9-Bromononyl)-estra-1,3,5(10)-triene-3,17-diol 17-acetate
pharmaceutical intermediate
(7a,17b)-7-[9-[(4,4,5,5,5-Pentafluoropentyl)thio]nonyl]-estra-1,3,5(10)-triene-3,17-diol
pharmaceutical intermediate
(7alpha,17beta)-17-(Acetyloxy)-7-[9-[(4,4,5,5,5-pentafluoropentyl)thio]nonyl]estr-4-en-3-one
pharmaceutical intermediate
7|A-Acetyloxy-7|A-[9-(dimethyl(tert-butylsilyloxy)nonyl]estr-4-en-3-one
pharmaceutical intermediate
Bis(3-(perfluoroethyl)-1-(9-bromononyl)propyl) thioether
pharmaceutical intermediate
(7a,17b)-7-[9-[(4,4,5,5,5-Pentafluoropentyl)thio]nonyl]-estra-1,3,5(10)-triene-3,17-diol 17-acetate
pharmaceutical intermediate
Ethyl (Z)-3-[(6-amino-3,5-difluoro-2-pyridyl)amino]-2-(2,4,5-trifluorobenzoyl)prop-2-enoate
pharmaceutical intermediate
(7R,8R,9S,13S,14S,17S)-7-(9-bromononyl)-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,17-diol
ILWDBZWOZQESSY-NJGGNICLSA-N
C[C@]12CC[C@H]3[C@H]([C@@H]1CC[C@@H]2O)[C@@H](CC4=C3C=CC(=C4)O)CCCCCCCCCBr
—