Spectrum Chemical manufactures and distributes fine chemicals with quality you can count on including those with CAS number 3317-67-7, Whether you call it Cobalt (II) Phthalocyanine, Cobaltous Phthalocyaninate or Phthalocyanine Cobalt (II) Salt you can be assured the Cobalt (II) Phthalocyanine products offered by Spectrum, meet or exceed the grade requirements or specifications for each individual product.