Spectrum Chemical manufactures and distributes fine chemicals with quality you can count on including those with CAS number 619-21-6, Whether you call it 3-Carboxybenzaldehyde, 3-Formylbenzoic Acid or Isophthalaldehydic Acid you can be assured the 3-Carboxybenzaldehyde products offered by Spectrum, meet or exceed the grade requirements or specifications for each individual product.