Nomenclature
CAS number: 21085-60-9
Oxo-propanedioic acid calcium salt (1:1); calcium ketomalonate; calcium oxomalonate; ketomalonic acid calcium salt; mesoxalic acid calcium salt; oxomalonic acid calcium salt; Mesoxan.
C
3CaO
5; mol wt 156.11.
C 23.08%, Ca 25.67%, O 51.24%.
Description and references
Prepn: Scheiber, Hopfer, Ber. 53, 908 (1920); Kobayashi, JP 52 4157 (1952), C.A. 48, 5212a (1954); Yanagisawa, JP 60 7463 (1960), C.A. 55, 5880a (1961).
Properties
Crystalline powder, dec 210-220°. Sparingly sol
in glacial acetic acid.Note
May also exist as calcium dihydroxymalonate.Therapeutic Category
Oral hypoglycemic.
Keywords
Antidiabetic
Status
This monograph has been retired and is no longer subject
to revision or update.