CAS 68515-50-4 appears in our catalog under these names: Dihexylphthalate, >95% (HPLC), Phthalic acid, bis-isohexyl ester (mixture of isomers), Phthalic acid, bis-isohexyl ester (mixture of isomers) 100 µg/mL in Acetonitrile. Offered by: TRC, Dr. Ehrenstorfer. Available pack sizes: 100mg, 500mg, 1ml.