Estra-4,9-diene-3,17-dione (cas 5173-46-6)

CAS NO .:5173-46-6 Compound Information: Estra-4,9-diene-3,17-dione (CAS 5173-46-6) ​Category ​Details ​Name Estra-4,9-diene-3,17-dione ​CAS Number 5173-46-6 ​Synonyms 19-norandrosta-4,9-diene-3,17-dione; 4,9-ESTRADIEN-3,17-DIONE; Methyldienedione; 17β-Hydroxy-17-methylestra-4,9-dien-3-one ​Molecular Formula C₁₈H₂₂O₂ ​Molecular Weight 270.37 g/mol ​Appearance Light beige solid ​Melting Point 131–134°C ​Boiling Point ~467°C (predicted) ​Density 1.16 g/cm³ (predicted) ​Solubility Sparingly soluble in organic solvents (e.g., DMSO, ethanol) ​Storage Refrigerated (2–8°C) ​Usage – Metabolite of STS 557 (Dienogest)– Antiglucocorticoid activity– Intermediate in steroid drug synthesis (e.g., Trenbolone) ​Safety – Classified as a controlled substance due to anabolic steroid properties– Handle with PPE (gloves, goggles) ​Regulatory – EU EINECS: 610-717-6 ​Key Notes: For analytical data (e.g., HPLC spectra), consult supplier technical documents or databases like PubChem.