Cetirizine Impurity B HCl
CAS No. | 113740-61-7 | Cat. No. | BCP39140 |
Name | Cetirizine Impurity B HCl | ||
Synonyms | Cetirizine acetic acid;Levocetirizine Impurity 3; | ||
Formula | C19H21ClN2O2 | M. Wt | 344.84 |
Description | Cetirizine impurity B HCl is an impurity of Cetirizine; a nonsedating type histamine H1-receptor antagonist and a major metabolite of Hydroxyzine. Pharmacological activity of Cetirizine resides primarily in the (R)-isomer. Also antihystaminic. |
Structure

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