*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : NS2299300 CHEMICAL NAME : Isonicotinohydroxamic acid CAS REGISTRY NUMBER : 4427-22-9 LAST UPDATED : 199410 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C6-H6-N2-O2 MOLECULAR WEIGHT : 138.14 WISWESSER LINE NOTATION : T6NJ DVMQ COMPOUND DESCRIPTOR : Mutagen SYNONYMS/TRADE NAMES : * N-Hydroxy-4-pyridinecarboxamide * Isonicotinylhydroxamic acid * M 838 * NSC 91840 * Pyridine-4-carbohydroxamic acid * 4-Pyridinecarboxamide, N-hydroxy- *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 793 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : NCISP* National Cancer Institute Screening Program Data Summary, Developmental Therapeutics Program. (Bethesda, MD 20205) Volume(issue)/page/year: JAN1986 ** MUTATION DATA ** TYPE OF TEST : Mutation in microorganisms TEST SYSTEM : Bacteria - Salmonella typhimurium DOSE/DURATION : 5 umol/plate REFERENCE : MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 135,139,1984 *** END OF RECORD ***