Ethyl glucuronide-d5 is the deuterium labeled Ethyl glucuronide (HY-113093)[1]. Ethyl glucuronide is an endogenous metabolite. Ethyl glucuronide is the metabolite of ethanol. Ethyl glucuronide is a biomarker for ethanol exposure that accumulates in hair and reflects the alcohol intake over a time period. Ethyl glucuronide is the agonist for TLR4[1].