Cetirizine (dihydrochloride)
CAS: 83881-52-1
Category: Piperazine
| Purity | Reagent Grade ≥98%, High-Purity Grade ≥99%, Pharmaceutical Grade ≥99.5% |
| Molecular Formula | C21H27Cl3N2O3 |
| Molecular Weight | 461.81 |
| Appearance | white to off-white crystalline powder |
| Packaging | 25 kg/fiber drum, 5 kg/aluminum foil bag. |
| Testing Indicators | Appearance — Visual inspection; Identification — IR, Chiral HPLC; Purity — Gradient RP-HPLC; Enantiomeric purity — Chiral HPLC; Chloride — Argentometric titration; Residual solvents — HS-GC; Heavy metals — ICP-MS; Moisture — Karl Fischer titration; Microbial limits — Membrane filtration. |
| Storage Notes | Stored in a cool, dry place at 15-30°C in a tightly closed container, protected from light and humidity. |
| 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 second-generation antihistamine intermediate in the synthesis of oral and topical agents for allergic rhinitis and urticaria.