| | Identification | Back Directory |  | [Name] 
 5-pyridoxic acid
 |  | [CAS] 
 524-07-2
 |  | [Synonyms] 
 5-pyridoxic acid
 Vitamin B6 Impurity 4
 Pyridoxine Impurity 34
 Vitamin B6 Impurity 86
 3-Pyridinecarboxylic acid, 5-hydroxy-4-(hydroxymethyl)-6-methyl-
 |  | [Molecular Formula] 
 C8H9NO4
 |  | [MOL File] 
 524-07-2.mol
 |  | [Molecular Weight] 
 183.16
 | 
 | Chemical Properties | Back Directory |  | [Melting point ] 
 282-283 °C (decomp)(Solv: ethanol (64-17-5))
 |  | [Boiling point ] 
 543.3±50.0 °C(Predicted)
 |  | [density ] 
 1.480±0.06 g/cm3(Predicted)
 |  | [pka] 
 1.89±0.10(Predicted)
 | 
 | Hazard Information | Back Directory |  | [Definition] 
 ChEBI: A pyridinemonocarboxylic acid that is pyridine-3-carboxylic acid substituted by a hydroxy group at position 5, hydroxy methyl group at position 4 and a methyl group at position 6.
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