Pyridoxal

Not to be confused with pyridoxol, which is pyridoxine.

Pyridoxal
Names


IUPAC name 3-Hydroxy-5-(hydroxymethyl)-2-methylpyridine-4-carbaldehyde
Identifiers
CAS Number	66-72-8^Y 65-22-5 (hydrochloride)^N
3D model (Jmol)	Interactive image
ChEBI	CHEBI:17310^Y
ChEMBL	ChEMBL102970^Y
ChemSpider	1021^Y
DrugBank	DB00147^Y
ECHA InfoCard	100.000.547
KEGG	C00250^Y
PubChem	1050
UNII	3THM379K8A^Y
InChI InChI=1S/C8H9NO3/c1-5-8(12)7(4-11)6(3-10)2-9-5/h2,4,10,12H,3H2,1H3^Y Key: RADKZDMFGJYCBB-UHFFFAOYSA-N^Y InChI=1/C8H9NO3/c1-5-8(12)7(4-11)6(3-10)2-9-5/h2,4,10,12H,3H2,1H3 Key: RADKZDMFGJYCBB-UHFFFAOYAP
SMILES O=Cc1c(cnc(c1O)C)CO
Properties
Chemical formula	C₈H₉NO₃
Molar mass	167.16 g/mol
Melting point	165 °C (329 °F; 438 K) (decomposes)
Related compounds
Related arylformaldehydes	Damnacanthal Gossypol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
N verify (what is ^YN ?)
Infobox references

Pyridoxal is one form of vitamin B₆.

Some medically relevant bacteria, such as those in the genera Granulicatella and Abiotrophia, require pyridoxal for growth. This nutritional requirement can lead to the culture phenomenon of satellite growth. In in vitro culture, these pyridoxal-dependent bacteria may only grow in areas surrounding colonies of bacteria from other genera ("satellitism") that are capable of producing pyridoxal.

Pyridoxal is involved in what is believed to be the most ancient reaction of aerobic metabolism on Earth, about 2.9 billion years ago, a forerunner of the Great Oxidation Event^[1]

References

↑ "Protein Domain Structure Uncovers the Origin of Aerobic Metabolism and the Rise of Planetary Oxygen", Gustavo Caetano-Anolles et al., published in Structure; paper available from University of Illinois News Bureau, 2012.

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Pyridoxal

See also

References