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Pyridoxal

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This is the current revision of this page, as edited by Marbletan (talk | contribs) at 16:40, 30 September 2024. The present address (URL) is a permanent link to this version.

Revision as of 16:40, 30 September 2024 by Marbletan (talk | contribs)(diff) ← Previous revision | Latest revision (diff) | Newer revision → (diff) Not to be confused with pyridoxol, which is pyridoxine.
Pyridoxal
Skeletal formula of pyridoxal
Idealised skeletal formula
Ball-and-stick model of pyridoxal
Ball-and-stick model based on the crystal structure. Note that the acidic phenol group has donated a proton to the basic pyridine group to form a zwitterion, and the hydroxymethyl group has reacted with the aldehyde group to form a hemiacetal.
Names
Preferred IUPAC name 3-Hydroxy-5-(hydroxymethyl)-2-methylpyridine-4-carbaldehyde
Identifiers
CAS Number
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
DrugBank
ECHA InfoCard 100.000.573 Edit this at Wikidata
KEGG
PubChem CID
UNII
CompTox Dashboard (EPA)
InChI
  • InChI=1S/C8H9NO3/c1-5-8(12)7(4-11)6(3-10)2-9-5/h2,4,10,12H,3H2,1H3Key: RADKZDMFGJYCBB-UHFFFAOYSA-N
  • InChI=1/C8H9NO3/c1-5-8(12)7(4-11)6(3-10)2-9-5/h2,4,10,12H,3H2,1H3Key: RADKZDMFGJYCBB-UHFFFAOYAP
SMILES
  • O=Cc1c(O)c(C)ncc1CO
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 , 100 kPa). ☒N verify (what is  ?) Infobox references
Chemical compound

Pyridoxal (PL) 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.

See also

References

  1. "CSD Entry: BIHKEI01". Cambridge Structural Database: Access Structures. Cambridge Crystallographic Data Centre. 1985. Archived from the original on 2023-11-04. Retrieved 2023-11-04.
  2. MacLaurin, C. L.; Richardson, M. F. (1985). "Pyridoxal, C8H9NO3, and pyridoxamine dihydrate, C8H12N2O2.2H2O". Acta Crystallogr. C. 41 (2): 261–263. Bibcode:1985AcCrC..41..261M. doi:10.1107/S0108270185003547.
  3. "Vitamin B-6". iupac.qmul.ac.uk. Retrieved 2024-09-26.
  4. "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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