*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : AY7091000 CHEMICAL NAME : beta-Alanine, N-methyl-N-nitroso- CAS REGISTRY NUMBER : 10478-42-9 LAST UPDATED : 199112 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C4-H8-N2-O3 MOLECULAR WEIGHT : 132.14 COMPOUND DESCRIPTOR : Tumorigen SYNONYMS/TRADE NAMES : * N-Methyl-N-nitroso-beta-alanine * 3-(Methylnitrosoamino)propionic acid * 3-(Methylnitrosamino)propionic acid * Propanoic acid, 3-(methylnitrosamino)- *** HEALTH HAZARD DATA *** ** TUMORIGENIC DATA ** TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 1057 mg/kg/7W-I TOXIC EFFECTS : Tumorigenic - Carcinogenic by RTECS criteria Lungs, Thorax, or Respiration - tumors REFERENCE : CALEDQ Cancer Letters (Shannon, Ireland). (Elsevier Scientific Pub. Ireland Ltd., POB 85, Limerick, Ireland) V.1- 1975- Volume(issue)/page/year: 47,111,1989 *** END OF RECORD ***