pyridoxal 167.058 167.16200 3-HYDROXY-5-(HYDROXYMETHYL)-2-METHYLISONICOTINALDEHYDE 3-hydroxy-5-(hydroxymethyl)-2-methylpyridine-4-carbaldehyde A pyridinecarbaldehyde that is pyridine-4-carbaldehyde bearing methyl, hydroxy and hydroxymethyl substituents at positions 2, 3 and 5 respectively. The 4-carboxyaldehyde form of vitamin B6, it is converted into pyridoxal phosphate, a coenzyme for the synthesis of amino acids, neurotransmitters, sphingolipids and aminolevulinic acid. Beilstein:383768 C8H9NO3 CAS:66-72-8 CHEBI:14976 CHEBI:17310 CHEBI:26423 CHEBI:45112 CHEBI:8667 DrugBank:DB00147 Drug_Central:4134 Gmelin:218674 HMDB:HMDB0001545 InChI=1S/C8H9NO3/c1-5-8(12)7(4-11)6(3-10)2-9-5/h2,4,10,12H,3H2,1H3 KEGG:C00250 KNApSAcK:C00007509 MetaCyc:PYRIDOXAL PDBeChem:PXL PMID:17765195 PMID:20381632 PMID:22770225 PMID:23801094 PMID:24365359 Pyridoxal RADKZDMFGJYCBB-UHFFFAOYSA-N Reaxys:383768 Wikipedia:Pyridoxal [H]C(=O)c1c(CO)cnc(C)c1O chebi_ontology pyridoxal pyridoxaldehyde methylpyridines vitamin B6 monohydroxypyridine pyridinecarbaldehyde hydroxymethylpyridine