Spectrum Chemical manufactures and distributes fine chemicals with quality you can count on including those with CAS number 14901-07-6, Whether you call it �Ionone, 4-(2 -6 -6-Trimethyl-1-cyclohexen-1-yl)-3-buten-2-one or Irisone you can be assured the �Ionone products offered by Spectrum, meet or exceed the grade requirements or specifications for each individual product.