An analytical reference standard for the separation and identification of underivatized butyryl-L-carnitine using high-performance liquid chromatography coupled to tandem mass spectrometry (HPLC-MS/MS).

C4 Carnitine-d3, deuterated butyrate ester of carnitine used as stable isotope labeled internal standards for quantitative applications.

Myristoyl-L-carnitine may be used as an analytical standard for high-performance liquid chromatography or LC MS/MS studies.

(C5DC) Glutarylcarnitine chloride is an endogenous metabolite, an ester of carnitine and glutaric acid.

Tetradecanoyl-L-carnitine-d3 is deuterium labeled myristoyl-L-carnitine and intended for use as an internal standard for the quantification by GC- or LC-MS.

Glutaryl-L-carnitine-d6 chloride contains an isotopic label to be used as an internal standard for tandem mass spectrometry.

Palmitoyl-L-carnitine is used as an analytical standard in HPLC-MS and MS/MS studies.

Isovalerylcarnitine chloride is an analogue of endogenous short-chain acylcarnitine and can be used as a control in MS/MS.

Deuterated ester of L-carnitine and palmitic acid, intended for use as an internal standard for the quantification of palmitoyl-L-carnitine by GC- or LC-MS.

Deuterium-labeled isovaleryl-L-carnitine is the standard for MS/MS quantitation of carnitine derivatives.