CAS register number: 7207-92-3 Alias: Estr-4-en-3-one, 17b-hydroxy-, propionate(6CI, 7CI, 8CI); 19- Appearance: White crystalline powder Purity: 98%+ EINECS: 230-587-0 Molecular formula: C21H30O3 Molecular weight: 330.46 Storage: Shading, confined preservation Grade: Pharmaceutical Grade