Testifenon

Testifenon
Clinical data
Other names	Testiphenon; Testiphenone; Chlorphenacyl dihydrotestosterone ester; Dihydrotestosterone 17β-(4-(bis(2-chloroethyl)amino)phenyl)acetate; LS-19378
Identifiers
	IUPAC name [(5S,8R,9S,10S,13S,14S,17S)-10,13-Dimethyl-3-oxo-1,2,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydrocyclopenta[a]phenanthren-17-yl] 2-[4-[bis(2-chloroethyl)amino]phenyl]acetate;
CAS Number	104730-58-7 ;
PubChem CID	128659;
ChemSpider	114020;
UNII	3U50JYF0B9;
CompTox Dashboard (EPA)	DTXSID10909156 ;
Chemical and physical data
Formula	C31H43Cl2NO3
Molar mass	548.59 g·mol−1
3D model (JSmol)	Interactive image;
	SMILES C[C@]12CCC(=O)C[C@@H]1CC[C@@H]3[C@@H]2CC[C@]4([C@H]3CC[C@@H]4OC(=O)CC5=CC=C(C=C5)N(CCCl)CCCl)C;
	InChI InChI=1S/C31H43Cl2NO3/c1-30-13-11-24(35)20-22(30)5-8-25-26-9-10-28(31(26,2)14-12-27(25)30)37-29(36)19-21-3-6-23(7-4-21)34(17-15-32)18-16-33/h3-4,6-7,22,25-28H,5,8-20H2,1-2H3/t22-,25-,26-,27-,28-,30-,31-/m0/s1; Key:JWLXQUMDRGJLMS-SJQIPMMSSA-N;

Testifenon, also known as testiphenon, testiphenone, chlorphenacyl dihydrotestosterone ester, or dihydrotestosterone 17β-(4-(bis(2-chloroethyl)amino)phenyl)acetate, is a synthetic anabolic–androgenic steroid (AAS) and a cytostatic antineoplastic agent (i.e., chemotherapeutic) that was never marketed.^[1]^[2]^[3] It is an androgen ester – specifically, a chlor phen acyl nitrogen mustard ester of dihydrotestosterone (DHT) – and acts as a prodrug of these two components in the body.^[1]^[2] The drug was developed in Russia as a tissue-selective cytostatic drug for the treatment of various cancers occurring in androgen receptor-expressing tissues that would have reduced side effects and toxicity relative to other chemotherapy drugs.^[1]^[2]

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