CAS No. 636-79-3

Niacin hydrochloride Chemical Structure
Chemical Structure
Check the Niacin hydrochloride product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

IUPAC Name pyridine-3-carboxylic acid;hydrochloride
CAS Number 636-79-3
Molecular Formula

C6H5NO2.ClH

Molecular Weight (MW) 159.57
InChIKey IBTWUVRCFHJPKN-UHFFFAOYSA-N

Biological Activity

Niacin hydrochloride is a direct and noncompetitive inhibitor of hepatocyte diacylglycerol acyltransferase-2 (DGAT2). By blocking DGAT2, a key enzyme involved in triglyceride synthesis, it accelerates intracellular hepatic apolipoprotein B degradation. This pathway inhibition leads to decreased hepatic assembly and secretion of very low-density lipoprotein (VLDL) and low-density lipoprotein (LDL) particles, thereby suppressing atherogenic lipid accumulation. [1]

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Note: Technical data last updated: Sep 1, 2026.