CHEMICAL IDENTIFICATION

RTECS NUMBER :

JQ0902000

CHEMICAL NAME :

Rifamycin, 3-(((4-cyclopentyl-1-piperazinyl)imino)methyl)-

CAS REGISTRY NUMBER :

61379-65-5

LAST UPDATED :

199712

DATA ITEMS CITED :

5

MOLECULAR FORMULA :

C47-H64-N4-O12

MOLECULAR WEIGHT :

877.15

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

>4 gm/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

ZYZAEU Zhongguo Yaoxue Zazhi. Chinese Pharmacuetical Journal. (China International Book Trading Corp., POB 2820, Beijing, Peop. China) V.24- 1989- Volume(issue)/page/year: 27,242,1992

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Intraperitoneal

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

>2 gm/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

ZYZAEU Zhongguo Yaoxue Zazhi. Chinese Pharmacuetical Journal. (China International Book Trading Corp., POB 2820, Beijing, Peop. China) V.24- 1989- Volume(issue)/page/year: 27,242,1992

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

3300 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

JANTAJ Journal of Antibiotics. (Japan Antibiotics Research Assoc., 2-20-8 Kamiosaki, Shinagawa-ku, Tokyo, 141, Japan) V.2-5, 1948-52; V.21- 1968- Volume(issue)/page/year: 34,1026,1981

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Intraperitoneal

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

710 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

JANTAJ Journal of Antibiotics. (Japan Antibiotics Research Assoc., 2-20-8 Kamiosaki, Shinagawa-ku, Tokyo, 141, Japan) V.2-5, 1948-52; V.21- 1968- Volume(issue)/page/year: 34,1026,1981 ** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

140 ug/kg/7D-I

TOXIC EFFECTS :

Liver - other changes Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - hepatic microsomal mixed oxidase (dealkylation, hydroxylation, etc.) Biochemical - Metabolism (Intermediary) - other proteins

REFERENCE :

ZYZAEU Zhongguo Yaoxue Zazhi. Chinese Pharmacuetical Journal. (China International Book Trading Corp., POB 2820, Beijing, Peop. China) V.24- 1989- Volume(issue)/page/year: 26,720,1991

毒理学数据：

急性毒性LD₅₀小鼠(mg/kg)：＞2000口服，750腹腔注射。也有报道急性毒性LD₅₀小鼠(mg/kg)：3300口服，710腹腔注射。