*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : XI0389900 CHEMICAL NAME : 5-Thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid, 3-(((5-methyl-1,3,4-thiadiazol-2-yl) thio)methyl)-8-oxo-7-(2-(1H-tetrazol-1-yl)acetamido)- CAS REGISTRY NUMBER : 25953-19-9 BEILSTEIN REFERENCE NO. : 4169371 LAST UPDATED : 199612 DATA ITEMS CITED : 7 MOLECULAR FORMULA : C14-H14-N8-O4-S3 MOLECULAR WEIGHT : 454.54 COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * Cefamezin * Cefazolin * Cefazoline * Cephamezine * Cephazolin * Cephazoline * CEZ * Elzogram *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intravenous SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 3 gm/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : BYYADW Byoin Yakugaku. Hospital Pharmacology. (Yakuji Nippon Sha, 1-11 Izumi-cho, Kanda, Chiyoda-ku, Tokyo 101, Japan) V.1- 1975- Volume(issue)/page/year: 3,220,1978 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intramuscular SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 4 gm/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : BYYADW Byoin Yakugaku. Hospital Pharmacology. (Yakuji Nippon Sha, 1-11 Izumi-cho, Kanda, Chiyoda-ku, Tokyo 101, Japan) V.1- 1975- Volume(issue)/page/year: 3,220,1978 ** OTHER MULTIPLE DOSE TOXICITY DATA ** TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 164 gm/kg/26W-I TOXIC EFFECTS : Blood - normocytic anemia Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol) Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - transaminases REFERENCE : NKRZAZ Chemotherapy (Tokyo). (Nippon Kagaku Ryoho Gakkai, 2-20-8 Kamiosaki, Shinagawa-Ku, Tokyo 141, Japan) V.1- 1953- Volume(issue)/page/year: 28(Suppl 7),1089,1980 TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Intravenous SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 44100 mg/kg/35D-I TOXIC EFFECTS : Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol) Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - transaminases Related to Chronic Data - death REFERENCE : NKRZAZ Chemotherapy (Tokyo). (Nippon Kagaku Ryoho Gakkai, 2-20-8 Kamiosaki, Shinagawa-Ku, Tokyo 141, Japan) V.1- 1953- Volume(issue)/page/year: 28(Suppl 7),1007,1980 TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Intravenous SPECIES OBSERVED : Rodent - rabbit DOSE/DURATION : 11200 mg/kg/28D-I TOXIC EFFECTS : Kidney, Ureter, Bladder - changes in tubules (including acute renal failure, acute tubular necrosis) REFERENCE : BYYADW Byoin Yakugaku. Hospital Pharmacology. (Yakuji Nippon Sha, 1-11 Izumi-cho, Kanda, Chiyoda-ku, Tokyo 101, Japan) V.1- 1975- Volume(issue)/page/year: 3,220,1978 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - A1317 No. of Facilities: 33 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 528 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - A1317 No. of Facilities: 318 (estimated) No. of Industries: 1 No. of Occupations: 5 No. of Employees: 16111 (estimated) No. of Female Employees: 13596 (estimated) *** END OF RECORD ***