Title:  Methyprylon 
CAS Registry Number:  125-64-4 
CAS Name:  3,3-Diethyl-5-methyl-2,4-piperidinedione 
Additional Names:  2,4-dioxo-3,3-diethyl-5-methylpiperidine;  3,3-diethyl-2,4-dioxo-5-methylpiperidine 
Trademarks:  Noctan;  Dimerin;  Noludar (Roche) 
Molecular Formula:  C10H17NO2 
Molecular Weight:  183.25 
Percent Composition:  C 65.54%, H 9.35%, N 7.64%, O 17.46% 
Literature References:  Prepn:  Frick, Lutz, US 2680116 (1954 to Hoffmann-La Roche).  cf. DE 930206 (1953).  Comprehensive description:  B. C. Rudy, B. Z. Senkowski, Anal. Profiles Drug Subs. 2, 363-382 (1973). 
Properties:  Crystals.  Bitter taste.  mp 74-77°.  uv max (alcohol):  295 nm (A1%1cm 2.0).  Sol in water, alcohol, benzene, chloroform. 
Melting point:  mp 74-77° 
Absorption maximum:  uv max (alcohol):  295 nm (A1%1cm 2.0) 
CAUTION:  This is a controlled substance (depressant):  21 CFR, 1308.13. 
Therap-Cat:  Sedative, hypnotic. 
Keywords:  Sedative/Hypnotic; Piperidinediones.   |