*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : YV4205100 CHEMICAL NAME : Valeramide, 2-(2-acetamido-4-methylvaleramido)-N-(1-formyl-4-guan idinobutyl)-4-methyl- (S)- CAS REGISTRY NUMBER : 55123-66-5 LAST UPDATED : 198910 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C20-H38-N6-O4 MOLECULAR WEIGHT : 426.64 WISWESSER LINE NOTATION : MUYZM3YVHMVY1Y1&1&MVYMV1&1Y1&1 S- COMPOUND DESCRIPTOR : Tumorigen SYNONYMS/TRADE NAMES : * (S)-2-(2-Acetamido-4-methylvaleramido)-N-(1-formyl-4-guanidinobutyl)-4-m ethyl-valeramide *** HEALTH HAZARD DATA *** ** TUMORIGENIC DATA ** TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 57600 mg/kg/69W-C TOXIC EFFECTS : Tumorigenic - neoplastic by RTECS criteria Lungs, Thorax, or Respiration - tumors Liver - tumors REFERENCE : GANNA2 Gann. Japanese Journal of Cancer Research. (Tokyo, Japan) V.1-75, 1907-84. For publisher information, see JJCREP. Volume(issue)/page/year: 71,913,1980 *** END OF RECORD ***