CAS:107868-30-4 MF:C20H24O2 MW:296.4 EINECS:1592732-453-0 Synonyms: (8R,9S,10R,13S,14S)-10,13-Dimethyl-6-methylene-7,8,9,11,12,13,15,16-octahydro-6H-cyclopenta[a]phenanthrene-3,17(10H,14H)-dione;ExeMestane (USP);ExeMestane(AroMasin);1,4-Androstadien-3,17-dione-6-Methylene-d2;ExeMestine;(8R,9S,10R,13S,14S)-10,13-diMethyl-6-Methylene-7,8,9,10,11,12,13,14,15,16-decahydro-3H-cyclopenta[a]phenanthrene-3,17(6H)-dione;ExeMestane SynonyMs 6-Methylenandrosta-1,4-diene-3,17-dione;PNU155971
Characteristics White crystalline powder
Identification Should conform A,B,C,D
Melting point 191-195℃
E1cm 465-495
Optical rotation +288-+298o
Total related substances 1.5% max
Single related substances 0.5% max
Loss on drying 0.5% max
Residue on ignition 0.1% max
Heavy metals 0.002% max
Residue solvents 0.2% max
Assay (HPLC), 98.0%-102.0% |
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