Pyridoxine hydrochloride (Standard) is the standard substance of Pyridoxine hydrochloride, and it is applicable for quantitative analysis, quality control, and related research in biochemical experiments. Pyridoxine hydrochloride (Vitamin B6) is the 4-methanol form of vitaminB6 which is converted to pyridoxal phosphate which is a coenzyme for synthesis of amino acids, neurotransmitters (serotonin, norepinephrine), sphingolipids, aminolevulinic acid.