Spectrum Chemical manufactures and distributes fine chemicals with quality you can count on including those with CAS number 1104-22-9, Whether you call it Meclizine Dihydrochloride or 1-([4-Chlorophenyl]phenylmethyl)-4-([3-methylphenyl]methyl)piperazine you can be assured the products offered by Spectrum, meet or exceed the grade requirements or specifications for each individual product.