L-ASPARTIC ACID (3-13C)

L-Aspartic acid-13C-1 is the deuterium labeled L-Aspartic acid[1]. L-Aspartic acid is is an amino acid, shown to be a suitable proagent for colon-specific agent deliverly[2][3].

[1] Russak EM, et al. Impact of Deuterium Substitution on the Pharmacokinetics of Pharmaceuticals. Ann Pharmacother. 2019 Feb;53(2):211-216. DOI:10.1177/1060028018797110
[2] Hosoya K, et al. Blood-brain barrier produces significant efflux of L-aspartic acid but not D-aspartic acid: in vivo evidence using the brain efflux index method. J Neurochem. 1999 Sep;73(3):1206-11. DOI:10.1046/j.1471-4159.1999.0731206.x
[3] Leopold CS, et al. In vivo pharmacokinetic study for the assessment of poly(L-aspartic acid) as a drug carrier for colon-specific drug delivery. J Pharmacokinet Biopharm. 1995 Aug23(4):397-406. DOI:10.1007/BF02353640