| Title:  NMDA CAS Registry Number:  6384-92-5 CAS Name:  N-Methyl-D-aspartic acid Additional Names:  N-methyl-D-aspartate;  N-methyl-D-asparaginsaure (German) Molecular Formula:  C5H9NO4 Molecular Weight:  147.13 Percent Composition:  C 40.82%, H 6.17%, N 9.52%, O 43.50% Literature References:  Excitotoxic amino acid used to identify a specific subset of excitatory amino acid receptors; consequently the receptors are known as NMDA receptors.  See also quisqualic acid, kainic acid.  Prepn:  O. Lutz, Z. Physiol. Chem. 70, 256 (1909); O. Lutz, Br. Jirgensons, Ber. 63, 448 (1930).  Isoln from the blood shell, Scapharca broughtonii:  M. Sato et al., Biochem. J. 241, 309 (1987).  Identification as a neuroexcitant:  D. R. Curtis, J. C. Watkins, J. Physiol. 166, 1 (1963); of neurotoxic properties:  J. W. Olney et al., Life Sci. 25, 537 (1979); R. Zaczek et al., Neurosci. Lett. 24, 181 (1981); M. V. Sofroniew, R. C. A. Pearson, Brain Res. 339, 186 (1985).  Receptor binding studies:  C. K. Mitchell, D. A. Redburn, Neurosci. Lett. 28, 241 (1982); D. T. Monaghan, C. W. Cotman, J. Neurosci. 5, 2909 (1985); J. M. M. Olson et al., Neuroscience 22, 913 (1987).  Review of NMDA and its receptor:  J. C. Watkin, R. H. Evans, Annu. Rev. Pharmacol. Toxicol. 21, 165-204 (1981); T. W. Stone, N. R. Burton, Prog. Neurobiol. 30, 333-368 (1988).  |