| Title:  Phenylmethylbarbituric Acid CAS Registry Number:  76-94-8 CAS Name:  5-Methyl-5-phenyl-2,4,6(1H,3H,5H)-pyrimidinetrione Additional Names:  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.  |