Iminosuccinic acid

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Iminosuccinic acid
Iminoaspartic acid.svg
CAS number 79067-61-1
PubChem 796
ChemSpider 13628208
KEGG C05840
Jmol-3D images Image 1
Molecular formula C4H5NO4
Molar mass 131.09 g mol−1
Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
Infobox references

Iminoaspartic acid (also known as iminosuccinate or iminoaspartate) is a dicarboxylic acid in the biosynthesis of nicotinic acid. It is synthesised by the oxidation of aspartate and is condensed by quinolinate synthase with glycerone phosphate to form quinolinic acid.[1]


  1. ^ Ollagnier-de Choudens, S., Loiseau, L., Sanakis, Y., Barras, F. and Fontecave, M. (2005). "Quinolinate synthetase, an iron-sulfur enzyme in NAD biosynthesis". FEBS Lett. 579 (17): 3737–3743. doi:10.1016/j.febslet.2005.05.065. PMID 15967443.