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Docosanoic acid-d2 (Behenic acid-d2) is deuterium labeled Docosanoic acid (HY-W013049). Docosanoic acid (Behenic acid) is a long-chain saturated fatty acid. Docosanoic acid inhibits the double-stranded DNA (dsDNA) binding activity of p53 DNA binding domain, with a Kd of 12 nM. Docosanoic acid has low bioavailability and can increase cholesterol in humans[1][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] Moreira DK, et al. Evaluation of structured lipids with behenic acid in the prevention of obesity. Food Res Int. 2017 May;95:52-58. DOI:10.1016/j.foodres.2017.03.005
[3] Iijima H, et al. The inhibitory action of long-chain fatty acids on the DNA binding activity of p53. Lipids. 2006 Jun;41(6):521-7. DOI:10.1007/s11745-006-5000-2