Anodyne

Pyridoxine

Pyridoxine
Pyridoxine
Salts
[]
Pyridoxine hydrochloride
Generated by the Chemistry Development Kit (http://github.com/cdk)
Molecular structure via molpic based on CDK
Physical properties
[]
169.18 g/mol [1]
Melting point159-162 °C [1]
Solubility79 mg/mL [1]
-0.8 [1]
Structural Identifiers
[]
C8H11NO3 [1]
4,5-bis(hydroxymethyl)-2-methylpyridin-3-ol [1]
CC1=NC=C(C(=C1O)CO)CO [1]
InChI=1S/C8H11NO3/c1-5-8(12)7(4-11)6(3-10)2-9-5/h2,10-12H,3-4H2,1H3 [1]
InChIKeyLXNHXLLTXMVWPM-UHFFFAOYSA-N [1]
Pharmacokinetics[]
Elimination half-lifeseveral weeks (see #Metabolism for details)

Pyridoxine (also known as Pyridoxine, 65-23-6, Pyridoxol, Pyridoxin, Adermine, Gravidox, 3-hydroxy-4,5-bis(hydroxymethyl)-2-methylpyridine, Hydoxin, Pyridoxolum or 3,4-Pyridinedimethanol, 5-hydroxy-6-methyl-) is a substance of the pyridine class.

Chemistry

Salts []

Pyridoxine is typically found in the form of its hydrochloride salt.

 []

Pyridoxine is a achiral mixture

Pharmacology

Metabolism

Subjective effects []

Usernotes []
0xea / Pyridoxine via Oral, Intravenousat 50-90mg oral and 40mg intravenous
  • uncertain activity; cold shudder upon intravenous injection

Legal status []

  • United Kingdom: Pyridoxine is a P substance.[3]
  • United States: Pyridoxine is a OTC substance.

See also []

External links []

References []

  1. National Center for Biotechnology Information. PubChem Compound Summary for CID 1054, Pyridoxine. Accessed January 6, 2026. https://pubchem.ncbi.nlm.nih.gov/compound/1054

  2. U.S. Food and Drug Administration; National Center for Advancing Translational Sciences. Pyridoxine. UNII: KV2JZ1BI6Z. Global Substance Registration System. Accessed January 6, 2026. https://gsrs.ncats.nih.gov/ginas/app/beta/substances/KV2JZ1BI6Z

  3. Pyridoxine 50mg Tablets - Summary of Product Characteristics (SmPC). April 27, 2015. Accessed January 6, 2026. https://www.medicines.org.uk/emc/medicine/28135/SPC/Pyridoxine+50mg+Tablets/