Carnitine-d3 is a deuterium labeled (C26) Carnitine and intended for use as an internal standard in GC- or LC-MS. D,L-Carnitine could be used as a diagnostic marker in dried blood spots from newborns and patients with X-linked adrenoleukodystrophy. D,L-Carnitine could also be a marker for Zellweger spectrum disorders (ZSD) which are a group of genetic metabolic disorders caused by a defect in peroxisome biogenesis.
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