Astemizole
CAS: 68844-77-9
Category: Piperazine
| Purity | Reagent Grade ≥98%, High-Purity Grade ≥99%, Technical Grade ≥95% |
| Molecular Formula | C28H31FN4O |
| Molecular Weight | 458.57 |
| 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 benzimidazoles — TLC; Heavy metals — ICP-MS; Loss on drying — Gravimetry; Microbial limits — Membrane filtration; Desmethyl impurity — HPLC; pH — Potentiometry. |
| Storage Notes | Stored in a cool, dry, and well-ventilated place in a tightly closed container, protected from light and moisture, away from incompatible materials, heat, and direct sunlight. |
| 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 long-acting, non-sedating H1 histamine receptor antagonist in the synthesis of antihistamine agents for allergic rhinitis and chronic urticaria.