Categories Articles Testosterone isobutyrate Post author By forendex.southernforensic Names: Testosterone isobutyrate (primary) (17β)-3-Oxoandrost-4-en-17-yl 2-methylpropanoate (IUPAC) Molecular formula: C23H34O3 Nominal mass: 358 Average mass: 358.5143 Monoisotopic mass: 358.250795 CAS registry number: 1169-49-9 ChemSpider: 83194 PubChem: 92149 Wikipedia: Testosterone Erowid: Steroids Drugs-Forum: Bluelight: Standard InChI: InChI=1S/C23H34O3/c1-14(2)21(25)26-20-8-7-18-17-6-5-15-13-16(24)9-11-22(15,3)19(17)10-12-23(18,20)4/h13-14,17-20H,5-12H2,1-4H3/t17-,18-,19-,20-,22-,23-/m0/s1 Standard InChI key: PYHZLMFTKOTWGQ-WAUHAFJUSA-N SMILES: O=C1CC[C@]2(C(=C1)CC[C@@H]1[C@@H]2CC[C@]2([C@H]1CC[C@@H]2OC(=O)C(C)C)C)C Tags: steroid ester ← JWH-145 → 4-Hydroxy MET