cetirizine impurity c

Cetirizine Impurity C is an impurity of Cetirizine. Cetirizine is a second-generation antihistamine and the carboxylated metabolite of hydroxyzine. It acts as a specific, orally active, and long-acting antagonist of the histamine H1-receptor[1][2].

Cetirizine Impurity C dihydrochloride 为Cetirizine杂质之一，属于羟嗪的羧化代谢物，是第二代抗组胺剂中的一个。其为具有特异性且口服有效的H1受体(histamine H1-receptor)长效拮抗剂。