Letrozole
CAS: 112809-51-5
Category: Benzimidazole/imidazoline
| Purity | Reagent Grade ≥98%, High-Purity Grade ≥99%, Technical Grade ≥95% |
| Molecular Formula | C17H11N5 |
| Molecular Weight | 285.3 |
| Appearance | White to off-white crystalline powder |
| Packaging | 1g/5g/10g or 25kg/cardboard drum or 1kg/aluminum foil bag |
| Testing Indicators | Appearance — Visual inspection; Identification — IR, UV; Purity — RP-HPLC; Related triazoles — TLC; Heavy metals — ICP-MS; Loss on drying — Gravimetry; Microbial limits — Filtration; Residue on ignition — Muffle furnace; pH — Potentiometry. |
| Storage Notes | Stored in a cool, dry, and well-ventilated place in a tightly closed, light-resistant container, away from incompatible materials, heat, direct sunlight, and sources of ignition. |
| Lead Time | Deprecated: htmlspecialchars(): Passing null to parameter #1 ($string) of type string is deprecated in /www/wwwroot/www.demeichem.com/config/helpers.php on line 28 days |
Used as a non-steroidal aromatase inhibitor in the synthesis of hormonal therapies for postmenopausal estrogen receptor-positive breast cancer.