Pyridoxal

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Pyridoxal
IUPAC name	3-hydroxy-5-(hydroxymethyl)-2- methyl-4-pyridinecarboxaldehyde
Identifiers
CAS number	[66-72-8]
SMILES	OCC1=CN=C(C)C(O)=C1C=O
Properties
Molecular formula	C8H9NO3
Molar mass	167.16 g/mol
Melting point	165 °C (decomp.)
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references

Pyridoxal is one of the three natural forms of vitamin B₆, along with pyridoxamine and pyridoxine (also called "pyridoxol"). All of these forms are converted in the human body into a single biologically active form, pyridoxal 5-phosphate. All three forms of vitamin B₆ are heterocyclic organic compounds. Green plants are a natural source of pyridoxal, and its deficiency in the human body can lead to serious complications such as epilepsy and seizures.

There are generally four pyridoxal-phosphate (PLP) reactions: transamination, alpha elimnation, and beta-elimination.

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