Title: Phenylmethylbarbituric Acid
CAS Registry Number: 76-94-8
CAS Name: 5-Methyl-5-phenyl-2,4,6(1
H,3
H,5
H)-pyrimidinetrione
Synonyms: 5-methyl-5-phenylbarbituric acid; 2,4,6-trioxo-5-methyl-5-phenylhexahydropyrimidine
Trademarks: Rutonal (M & B)
Molecular Formula: C11H10N2O3
Molecular Weight: 218.21
Percent Composition: C 60.55%, H 4.62%, N 12.84%, O 22.00%
Literature References: Prepn:
DE 247952 (1912 to Bayer); Dvornik
et al., C.A. 50, 312f (1956).
Properties: Slightly bitter crystals, mp 226°. Practically insol in water. Sol in alcohol, ether, aq solns of the alkalies. Forms a water-sol sodium salt.
Melting point: mp 226°
NOTE: This is a controlled substance (depressant):
21 CFR, 1308.13. Not to be confused with mephobarbital,
q.v.
Therap-Cat: Anticonvulsant; sedative, hypnotic.
Keywords: Anticonvulsant; Sedative/Hypnotic; Barbituric Acid Derivatives.
Status: This monograph has been retired and is no longer subject to revision or update.