Testosterone isovalerate

Testosterone isovalerate, also known as testosterone isopentanoate, testosterone 17β-isovalerate, and androst-4-en-17β-ol-3-one 17β-isovalerate, is a synthetic, injected anabolic-androgenic steroid (AAS) and an androgen ester – specifically, the C17β isovalerate (isopentanoate) ester of testosterone – which was never marketed.^[1][2] It is a prodrug of testosterone and, when administered via intramuscular injection, is associated with a long-lasting depot effect and extended duration of action.^[1]

Testosterone isovalerate

Clinical data
Other names	Testosterone isopentanoate; Testosterone 17β-isovalerate; Androst-4-en-17β-ol-3-one 17β-isovalerate
Routes of administration	Intramuscular injection
Identifiers
IUPAC name (1S,2R,10R,11S,14S,15S)-2,15-Dimethyl-5-oxotetracyclo[8.7.0.02,7.011,15]heptadec-6-en-14-yl 3-methylbutanoate
CAS Number	21549-53-1 Y
PubChem CID	165360205
ChemSpider	58838617
CompTox Dashboard (EPA)	DTXSID101336958
Chemical and physical data
Formula	C24H36O3
Molar mass	372.549 g·mol−1
3D model (JSmol)	Interactive image
SMILES CC(C)CC(=O)O[C@H]1CC[C@H]2[C@@H]3CCC4=CC(=O)CC[C@]4(C)[C@H]3CC[C@]12C
InChI InChI=1S/C24H36O3/c1-15(2)13-22(26)27-21-8-7-19-18-6-5-16-14-17(25)9-11-23(16,3)20(18)10-12-24(19,21)4/h14-15,18-21H,5-13H2,1-4H3/t18-,19-,20-,21-,23?,24?/m0/s1 Key:MTDSXXUEXHCLTL-PKLKGOOFSA-N

See also

• Testosterone isobutyrate
• Testosterone isocaproate
• Testosterone valerate