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.

Stearoyl-L-carnitine for use as an analytical reference standard for MS/MS.

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

Lysopc(26:0), also known as LysoPC a C26:0, is used as internal standard LC-MS studies.

(C26) Carnitine-d3 is a deuterium labeled (C26) Carnitine and intended for use as an internal standard in GC- or LC-MS.

(C26) D,L-Carnitine is a very long chain fatty-acylcarnitine also known as o-hexacosanoylcarnitine and intended for use as an internal standard in GC- or LC-MS.