Quinestrol
CAS: 152-43-2
Category: Steroids
| Purity | USP Reference Standard, ≥98% HPLC, 0.1 mg Tablets |
| Molecular Formula | C25H32O2 |
| Molecular Weight | 364.52 |
| Appearance | white to off-white crystalline powder |
| Packaging | 1kg/aluminum foil bag or 5kg/vacuum-sealed bag placed in a cardboard drum. |
| Testing Indicators | Appearance — Visual inspection; Identification — IR, HPLC; Purity — RP-HPLC; Specific rotation — Polarimetry; Related estrogens — TLC; Residual solvents — GC; Heavy metals — ICP-MS; Microbial limits — Filtration; Ethinylestradiol — HPLC. |
| Storage Notes | Store in a tightly closed, light-resistant container in a cool, dry, and dark place. |
| Lead Time | days |
A long-acting synthetic estrogen used as the active pharmaceutical ingredient (API) in hormonal contraceptives and for the treatment of menopausal symptoms.