[CAS Number 17685-04-0] Ethyl-β-D-glucuronide (EtG) is a non-volatile, water-soluble direct metabolite of Ethanol. EtG is a sensitive and specific biomarker for detecting alcohol abuse and for monitoring alcohol abstinence. Ethyl-β-D-glucuronide is available as reference material (bulk powder and/or solution) and as calibrated, Ready-to-Use, certified reference material (CRM). This product is designed for use in qualitative and quantitative protocols and can be used for forensic, toxicology, research, and other chemical/biochemical analytical applications. Special storage & shipping requirements.