5'-Phosphoribosyl-4-carboxy-5-aminoimidazole

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5'-Phosphoribosyl-4-carboxy-5-aminoimidazole
5'-phosphoribosyl-4-carboxy-5-aminoimidazole.svg
Names
IUPAC name
5-Amino-1-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(phosphonooxymethyl)oxolan-2-yl]imidazole-4-carboxylic acid
Other names
Carboxyaminoimidazole ribotide,
Carboxyaminoimidazole ribonucleotide,
CAIR,
5-amino-1-(5-O-phosphono-β-D-ribofuranosyl)-1H-imidazole-4-carboxylic acid
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
Properties
C9H14N3O9P
Molar mass 339.196 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

5'-Phosphoribosyl-4-carboxy-5-aminoimidazole (or CAIR) is an intermediate in the formation of purines.

It is formed by phosphoribosylaminoimidazole carboxylase.