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Cetirizine Impurity C dihydrochloride, a specific impurity of Cetirizine, is associated with a second-generation antihistamine that serves as the carboxylated metabolite of hydroxyzine. This compound acts as a specific, orally active, and long-acting antagonist of the histamine H1-receptor [1] [2].

| Pack Size | Price | Availability | Quantity |
|---|---|---|---|
| 5 mg | Inquiry | Backorder | |
| 50 mg | Inquiry | Backorder |
| Description | Cetirizine Impurity C dihydrochloride, a specific impurity of Cetirizine, is associated with a second-generation antihistamine that serves as the carboxylated metabolite of hydroxyzine. This compound acts as a specific, orally active, and long-acting antagonist of the histamine H1-receptor [1] [2]. |
| Molecular Weight | 461.81 |
| Formula | C21H27Cl3N2O3 |
| Cas No. | 2702511-37-1 |
| Storage | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice/Shipping at ambient temperature. |

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