CAS 93951-89-4 appears in our catalog under these names: Dimethyl Phthalate-3,4,5,6-d4, 99 atom % D, min 98% Chemical Purity, Dimethyl phthalate-3,4,5,6-d4, >95% (HPLC), Phthalic acid, bis-methyl ester D4, Phthalic acid, bis-methyl ester D4 100 µg/mL in Acetonitrile, Dimethyl phthalate (Ring–d4). Offered by: CDN, TRC, Dr. Ehrenstorfer, GLPBio, Sigma-Aldrich. Available pack sizes: 0,1g, 0,05g, 2,5mg, 25mg, 50mg, 10mg, 1ml, 1mg.