| Title:  Chlorphenesin Carbamate CAS Registry Number:  886-74-8 CAS Name:  3-(4-Chlorophenoxy)-1,2-propanediol-1-carbamate Additional Names:  carbamic acid 3-(p-chlorophenoxy)-2-hydroxypropyl ester;  3-(p-chlorophenoxy)-2-hydroxypropyl carbamate;  1,2-propanediol-3-(p-chlorophenoxy)-1-carbamate Trademarks:  Maolate (Upjohn);  Rinlaxer (Taisho) Molecular Formula:  C10H12ClNO4 Molecular Weight:  245.66 Percent Composition:  C 48.89%, H 4.92%, Cl 14.43%, N 5.70%, O 26.05% Literature References:  Prepn:  Collins, Matthews, US 3161567; Parker, US 3214336 (1964, 1965 both to Upjohn).  Clinical evaluation of analgesic activity:  L. J. Cass, W. S. Frederick, J. New Drugs 2, 366 (1962). Properties:  Crystals from benzene + toluene, mp 89-91°.  Readily sol in 95% ethanol, acetone, ethyl acetate; fairly readily sol in dioxane.  Almost insol in cold water, benzene, cyclohexane.  LD50 orally in rats:  748 mg/kg; i.v. in mice:  239 mg/kg (Cass, Frederick). Melting point:  mp 89-91° Toxicity data:  LD50 orally in rats:  748 mg/kg; i.v. in mice:  239 mg/kg (Cass, Frederick) Therap-Cat:  Muscle relaxant (skeletal). Therap-Cat-Vet:  Muscle relaxant (skeletal). Keywords:  Muscle Relaxant (Skeletal).  |