Formulation: A solid
Formal Name: 3-carboxy-N,N-dimethyl-N-(methyl-d3)-2R-[(1-oxohexadecyl)oxy]-1-propanaminium, monochloride
Purity: ≥99% deuterated forms (d1-d3)
Formula Markup: C23H43D3NO4 • Cl
Formula Weight: 439,1
Shelf life (days): 730
CAS Number: 1334532-26-1
Notes: Palmitoyl-L-carnitine-d3 is intended for use as an internal standard for the quantification of palmitoyl-L-carnitine (Item No. 26553) by GC- or LC-MS. Palmitoyl-L-carnitine is a naturally occurring long-chain acylcarnitine and the L-enantiomer of palmitoyl-DL-carnitine (Item No. 11095).{20215} In cells, palmitoyl-L-carnitine is transported into mitochondria via carnitine palmitoyl transferase II to deliver palmitate for fatty acid oxidation and energy production.{20218} It also inhibits lecithin:cholesterol acyltransferase activity in rat, but not human, plasma when used at a concentration of 500 µM.{42574} In vivo, palmitoyl-L-carnitine increases intestinal absorption of the antibiotic cefoxitin (Item No. 15990) in rat intestine.{46086}