Spectrum Chemical manufactures and distributes fine chemicals with quality you can count on including those with CAS number 95-01-2, Whether you call it 2,4-Dihydroxybenzaldehyde, ß or -Resorcylaldehyde you can be assured the 2,4-Dihydroxybenzaldehyde products offered by Spectrum, meet or exceed the grade requirements or specifications for each individual product.