Spectrum Chemical manufactures and distributes fine chemicals with quality you can count on including those with CAS number 147-94-4, Whether you call it Cytarabine, Arabinocytidine , 1-(Beta-D-Arabinofuranosyl)cytosine or Cytosine Arabinoside you can be assured the Cytarabine products offered by Spectrum, meet or exceed the grade requirements or specifications for each individual product.