Product Description: 3-Epi-25-hydroxyvitamin D3-13C5 is the 13C labeled 3-Epi-25-hydroxyvitamin D3[1].
Formula: C22 13C5H44O2
References: [1]Russak EM, et al. Impact of Deuterium Substitution on the Pharmacokinetics of Pharmaceuticals. Ann Pharmacother. 2019 Feb;53(2):211-216.