| CASOther = 58-56-0 (hydrochloride) | PubChem = 1054 | SMILES = CC1=NC=C(C(=C1O)CO)CO }} | Section2 = }} Pyridoxine's one of the compounds that can be called vitamin B6, along with pyridoxal and pyridoxamine. It differs from pyridoxamine by the substituent at the '4' position. It's often used as 'pyridoxine hydrochloride'. Chemistry It's based on a pyridine ring, with hydroxyl, methyl, and hydroxymethyl substituents. It's converted to the biologically active form pyridoxal 5-phosphate. Functio… (More on Pyridoxine)