Categories Articles Testosterone cypionate Post author By forendex.southernforensic Names: Testosterone cypionate (primary) (17β)-3-Oxoandrost-4-en-17-yl 3-cyclopentylpropanoate (IUPAC) Molecular formula: C27H40O3 Nominal mass: 412 Average mass: 412.6047 Monoisotopic mass: 412.297745 CAS registry number: 58-20-8 ChemSpider: 390140 PubChem: 441404 Wikipedia: Testosterone Erowid: Steroids Drugs-Forum: Bluelight: Testosterone Cypionate vs. Enanthate Standard InChI: InChI=1S/C27H40O3/c1-26-15-13-20(28)17-19(26)8-9-21-22-10-11-24(27(22,2)16-14-23(21)26)30-25(29)12-7-18-5-3-4-6-18/h17-18,21-24H,3-16H2,1-2H3/t21-,22-,23-,24-,26-,27-/m0/s1 Standard InChI key: HPFVBGJFAYZEBE-ZLQWOROUSA-N SMILES: O=C(O[C@H]1CC[C@@H]2[C@]1(C)CC[C@H]1[C@H]2CCC2=CC(=O)CC[C@]12C)CCC1CCCC1 Tags: steroid ester ← Phenobarbital → Methyltestosterone acetate