Photoresist Chemicals Castor oil, dehydrated, polymer with ethylenediamine, glycerol, pentaerythritol, phthalic anhydride, sebacic acid and soybean oil Cas：68515-16-2 Molecular Formula：Castor oil, dehydrated, polymer with ethylenediamine, glycerol, pentaerythritol, phthalic anhydride, sebacic acid and soybean oil