Chlorpheniramine Maleate是一种组胺H1受体拮抗剂，IC50为12 nM。 An antagonist of the histamine H1-receptor.(±)-Chlorpheniramine maleate salt has been used: · as H1 receptor antagonist to determine the receptor function · to block the effect of compound 48/80 on plasma IGF-I · as a standard for fast sensing and determination by sequential injector coupled with potentiometer Chlorpheniramine (Chlorpheniramine maleate, Chlorphenamine) is an histamine H1 receptor antagonist with IC50 of 12 nM. An antagonist of the histamine H1-receptor.