Chlorphenamine maleate is a part of a series of anti-histamines including pheniramine and its halogenated derivatives including dexchlorphenamine, brompheniramine are also manufactured by Supriya Lifescience. The halogenated alkylamine anti-histamines all exhibit optical isomerism. Chlorphenamine in the indicated products is racemic chlorphenamine maleate, whereas dexchlorphenamine is the dextrorotary stereoisomer.
