Vorinostat Description is a member of a larger class of compounds that inhibit histone deacetylases (HDAC). Histone deacetylase inhibitors (HDI) have a broad spectrum of epigenetic activities. Specifications Cas No. 149647-78-9 Product ID V5734 Product Name Vorinostat Chemical Name N-hydroxy-N'-phenyl-octanediamide Synonym suberoylanilide hydroxamic acid (SAHA), Zolinza Formula Wt. 264.32 Store Temp Ambient