Stearoyl-L-carnitine chloride-13C3 is the 13C-labeled Stearoyl-L-carnitine chloride (HY-130466). Stearoyl-L-carnitine chloride is an endogenous long-chain acylcarnitine. Stearoyl-L-carnitine chloride is a less potent inhibitor of GlyT2. Stearoyl-L-carnitine chloride inhibits glycine responses by 16.8% at concentrations up 3 µM[1][2].