*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : NL7857000 CHEMICAL NAME : Indole-2,3-diol CAS REGISTRY NUMBER : 5638-85-7 LAST UPDATED : 199103 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C8-H6-N-O2 MOLECULAR WEIGHT : 148.15 WISWESSER LINE NOTATION : T56 BMJ CQ DQ SYNONYMS/TRADE NAMES : * Dihydroxyindole * 2,3-Dihydroxyindole * Dioxindol *** 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 : 550 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : NYKZAU Nippon Yakurigaku Zasshi. Japanese Journal of Pharmacology. (Nippon Yakuri Gakkai, c/o Kyoto Daigaku Igakubu Yakurigaku Kyoshitsu, Konoe-cho, Yoshida, Sakyo-ku, Kyoto 606, Japan) V.40- 1944- Volume(issue)/page/year: 55,1514,1959 *** END OF RECORD ***