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Pyridoxal

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Pyridoxal

Pyridoxal
Skeletal formula of pyridoxal
Ball-and-stick model of pyridoxal
Identifiers
CAS number  YesY
65-22-5 (hydrochloride)
PubChem
ChemSpider  YesY
UNII  YesY
DrugBank
KEGG  YesY
ChEBI  YesY
ChEMBL  YesY
Jmol-3D images Image 1
Properties
Molecular formula C8H9NO3
Molar mass 167.16 g/mol
Melting point 165 °C (decomp.)
Related compounds
Related arylformaldehydes Damnacanthal

Gossypol

Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
 YesY   YesY/N?)

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

  1. ^ "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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