Spectrum Chemical manufactures and distributes fine chemicals with quality you can count on including those with CAS number 2438-32-6, Whether you call it Dexchlorpheniramine Maleate, (+)-Chlorpheniramine Maleate or Dexchlorphenamine Maleate you can be assured the Dexchlorpheniramine Maleate products offered by Spectrum, meet or exceed the grade requirements or specifications for each individual product.