*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : EW5250000 CHEMICAL NAME : Calculus bovis, cultured LAST UPDATED : 198909 DATA ITEMS CITED : 1 COMPOUND DESCRIPTOR : Drug Natural Product *** 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 : 310 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : CTYAD8 Zhongcaoyao. Chinese Traditional and Herbal Medicine. (China International Book Trading Corp., POB 2820, Beijing, Peop. Rep. China) V.11- 1980- Volume(issue)/page/year: 19,213,1988 *** END OF RECORD ***