*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : HA1595000 CHEMICAL NAME : Cysteine, DL- CAS REGISTRY NUMBER : 3374-22-9 LAST UPDATED : 199712 DATA ITEMS CITED : 2 MOLECULAR FORMULA : C3-H7-N-O2-S MOLECULAR WEIGHT : 121.17 WISWESSER LINE NOTATION : QVYZ1SH COMPOUND DESCRIPTOR : Mutagen SYNONYMS/TRADE NAMES : * dl-Cysteina * DL-Cysteine * (+-)-Cysteine *** HEALTH HAZARD DATA *** ** OTHER MULTIPLE DOSE TOXICITY DATA ** TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 1250 mg/kg/2D-I TOXIC EFFECTS : Liver - other changes Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - phosphatases Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - dehydrogenases REFERENCE : BCTKAG Bromatologia i Chemia Toksykologiczna. (Ars Polona, POB 1001, 00-068 Warsaw 1, Poland) V.4- 1971- Volume(issue)/page/year: 11,205,1978 ** MUTATION DATA ** TYPE OF TEST : Phage inhibition capacity TEST SYSTEM : Bacteria - Escherichia coli DOSE/DURATION : 5 mg/L REFERENCE : APMBAY Applied Microbiology. (Washington, DC) V.1-30, 1953-75. For publisher information, see AEMIDF. Volume(issue)/page/year: 12,234,1964 *** END OF RECORD ***