Synonyms 2α-Chloro-5α-androstan-17β-ol-3-one O-(p-nitrophenyl)oxime; 2α-Chloro-4,5α-dihydrotestosterone O-(p-nitrophenyl)oxime; 2α-Chloro-3-(p-nitrophenoxy)imino-5α-androstan-17β-ol
CAS Number 51354-32-6
PubChem (CID) 5361123
ChemSpider 4514747
Chemical and physical data
Formula C25H33ClN2O4
Molar mass 460.999 g/mol
3D model (Jmol) Interactive image

Nisterime (INN), also known as 2α-chloro-4,5α-dihydrotestosterone O-(p-nitrophenyl)oxime or as 2α-chloro-5α-androstan-17β-ol-3-one O-(p-nitrophenyl)oxime, is a synthetic anabolic-androgenic steroid (AAS) and a derivative of dihydrotestosterone (DHT) that was never marketed.[1] The C17α acetate ester of nisterime, nisterime acetate (ORF-9326), also exists and was developed as a postcoital contraceptive but was similarly never marketed.[1]

See also


  1. 1 2 J. Elks (14 November 2014). The Dictionary of Drugs: Chemical Data: Chemical Data, Structures and Bibliographies. Springer. pp. 876–. ISBN 978-1-4757-2085-3.

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