Spectrum Chemical manufactures and distributes fine chemicals with quality you can count on including those with CAS number 62-31-7, Whether you call it Dopamine Hydrochloride, 3 -4-Dihydroxyphenethylamine Hydrochloride or 3-Hydroxytyramine Hydrochloride you can be assured the Dopamine Hydrochloride products offered by Spectrum, meet or exceed the grade requirements or specifications for each individual product.