Acetyl-L-carnitine-(N-methyl-d3) chloride CAS: 1334532-17-0, also referred to as Acetyl L-carnitine hydrochloride, or C2 Carnitine-d3, is a labeled form of a straight-chain L-carnitine derivative. Acetyl ester of L-carnitine comprises an N-methyl group, in which three hydrogens are replaced with deuterium (d3). Isotopically labeled d3-acetylcarnitine (acetylated d3-carnitine) is used for MS imaging and quantitative measurements using liquid chromatography tandem mass spectrometry (LC-MS).
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