Norethindrone acetate
CAS: 51-98-9
Category: Steroids
| Purity | Reagent Grade ≥98%, High-Purity Grade ≥99%, Technical Grade ≥95% |
| Molecular Formula | C22H28O3 |
| Molecular Weight | 340.46 |
| Appearance | White to off-white crystalline powder |
| Packaging | 25 kg/fiber drum, 1 kg/aluminum foil bag. |
| Testing Indicators | Appearance — Visual inspection; Identification — IR, HPLC; Purity — RP-HPLC; Specific rotation — Polarimetry; Related progestins — TLC; Residual solvents — GC; Heavy metals — ICP-MS; Microbial limits — Membrane filtration; Acetate content — Titration. |
| Storage Notes | Stored in a cool, dry place at 15-30°C in a tightly closed container, protected from light and strong oxidizing agents. |
| Lead Time | days |
Used as a progestin intermediate in the synthesis of oral contraceptives, hormone replacement therapy, and endometriosis management formulations.