Spectrum Chemical manufactures and distributes fine chemicals with quality you can count on including those with CAS number 113-92-8, Whether you call it Chlorpheniramine Maleate, Chlorprophenpyridamine Maleate , Chlorphenamine Maleate or (+/-)-3-(4-Chlorophenyl)-N -N-dimethyl-3-(2-pyridyl)propylamine Hydrogen Maleate you can be assured the Chlorpheniramine Maleate products offered by Spectrum, meet or exceed the grade requirements or specifications for each individual product.