CAS: 1217739-04-2

Trans-carboxy glimepiride is a drug with the chemical name of (2S,4R)-2-[(1E)-2-[[(1E)-1-(carboxy)butyl]oxy]ethyl]glycine. It is an impurity found in the drug product Glimepiride. The impurity standard for trans-carboxy glimepiride is prepared by dissolving 1 g of the substance in water and diluting to 10 mL with water. It is used as an HPLC standard and has been shown to be a metabolite of Glimepiride.

trans-carboxy Glimepiride, a sulfonylurea glimepiride metabolite, forms via CYP2C9 and cytosolic enzyme mediation.