*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : QL8000200 CHEMICAL NAME : 1,4-Naphthoquinone, 5,8-dihydroxy-2-(1-hydroxy-4-methyl-3-pentenyl)-, (+)- CAS REGISTRY NUMBER : 517-89-5 BEILSTEIN REFERENCE NO. : 2058010 LAST UPDATED : 199612 DATA ITEMS CITED : 3 MOLECULAR FORMULA : C16-H16-O5 MOLECULAR WEIGHT : 288.32 WISWESSER LINE NOTATION : L66 BV EVJ CYQ2UY1&1 GQ JQ COMPOUND DESCRIPTOR : Drug SYNONYMS/TRADE NAMES : * C.I. 75535 * (+)-5,8-Dihydroxy-2-(1-hydroxy-4-methyl-3-pentenyl)-1,4-naphthoquinone * 1,4-Naphthalenedione, 5,8-dihydroxy-2-(1-hydroxy-4-methyl-3-pentenyl)-, (R)- * Shikonin * (+)-Shikonin * Tokyo Violet *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : >1 gm/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: 73,193,1977 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 20 mg/kg TOXIC EFFECTS : Behavioral - changes in motor activity (specific assay) Behavioral - ataxia 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: 73,193,1977 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intravenous SPECIES OBSERVED : Rodent - rabbit DOSE/DURATION : 16 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : PJPHEO Pakistan Journal of Pharmacology. (c/o Univ. of Karachi, Faculty of Pharmacy, Karachi, 32, Pakistan) V.1- 1984- Volume(issue)/page/year: 3(1-2),43,1986 *** END OF RECORD ***