Product Description: Phthalic Acid Anhydride-d4 is the deuterium labeled Phthalic Acid Anhydride-d4[1].
Formula: C8D4O3
References: [1]Russak EM, et al. Impact of Deuterium Substitution on the Pharmacokinetics of Pharmaceuticals. Ann Pharmacother. 2019 Feb;53(2):211-216.