Title: Phenetharbital
CAS Registry Number: 357-67-5
CAS Name: 5,5-Diethyl-1-phenyl-2,4,6(1
H,3
H,5
H)-pyrimidinetrione
Synonyms: 5,5-diethyl-1-phenylbarbituric acid; 5,5-diethyl-2,4,6-trioxo-1-phenylhexahydropyrimidine; 1-phenyl-5,5-diethylbarbituric acid;
N-phenylbarbital; phenidiemal
Trademarks: Fedibaretta; Pyrictal
Molecular Formula: C14H16N2O3
Molecular Weight: 260.29
Percent Composition: C 64.60%, H 6.20%, N 10.76%, O 18.44%
Literature References: Prepd from ethyl diethylmalonate and phenylurea: Fischer, Dilthey,
Ann. 335, 334 (1904); Buck,
J. Am. Chem. Soc. 58, 1284 (1936).
Properties: Small, thick, glittering plates, mp 178°. Freely sol in hot alcohol, alkali.
Melting point: mp 178°
NOTE: This is a controlled substance (depressant):
21 CFR, 1308.13.
Therap-Cat: Anticonvulsant.
Keywords: Anticonvulsant.