1655. Calcium N-Carbamoylaspartate
Nomenclature
CAS number: 16649-79-9
N-(Aminocarbonyl)-l-aspartic acid calcium
salt (1:1); N-carbamoylaspartic acid calcium salt; calcium ureidosuccinate. C5H6CaN2O5; mol wt 214.19.
C 28.04%, H 2.82%, Ca 18.71%, N 13.08%, O 37.35%.
Description and references
Prepn of optically active forms: Miyazaki et al., Chem. Pharm. Bull. 15, 1604 (1967); Yoshimura et al., JP 68 14205 (1968 to Dainippon Pharm.), C.A. 71, 112456a (1969); of dl-form: Clemence, FR M6376 (1968 to Roussel-UCLAF), C.A. 74, 76655r (1971).
Properties
[α]D20 +32.2° (c = 2.53).Derivative
dl-Form.Nomenclature
CAS number: 30905-63-6
Pacilan (Daltan). Properties
mp >350°.Derivative
d-Form.Nomenclature
CAS number: 16649-82-4