Product Description: L-Arginine-13C,d4 (dihydrochloride) is 13C labeled L-Arginine (dihydrochloride)[1].
Formula: C5 13CH12D4Cl2N4O2
References: [1]Russak EM, et al. Impact of Deuterium Substitution on the Pharmacokinetics of Pharmaceuticals. Ann Pharmacother. 2019 Feb;53(2):211-216.