*** CHEMICAL IDENTIFICATION ***
RTECS NUMBER : NR2400000
CHEMICAL NAME : Isoflavone, 4',5,7-trihydroxy-6-methoxy-
CAS REGISTRY NUMBER : 548-77-6
BEILSTEIN REFERENCE NO. : 0305601
REFERENCE : 5-18-05-00311 (Beilstein Handbook Reference)
LAST UPDATED : 199709
DATA ITEMS CITED : 2
MOLECULAR FORMULA : C16-H12-O6
MOLECULAR WEIGHT : 300.28
WISWESSER LINE NOTATION : T66 BO EVJ CR DQ& GQ HO1 IQ
COMPOUND DESCRIPTOR : Mutagen
SYNONYMS/TRADE NAMES :
* 4H-1-Benzopyran-4-one, 5,7-dihydroxy-3-(4-hydroxyphenyl)-6-methoxy-
* K 251T
* Tectorigenin
* Tectorigenine
* 4',5,7-Trihydroxy-6-methoxyisoflavone
*** 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 : 3 gm/kg
TOXIC EFFECTS :
Behavioral - altered sleep time (including change in righting reflex)
Behavioral - somnolence (general depressed activity)
Lungs, Thorax, or Respiration - dyspnea
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:
64,186,1968
** MUTATION DATA **
TYPE OF TEST : Mutation in microorganisms
TEST SYSTEM : Bacteria - Salmonella typhimurium
DOSE/DURATION : 100 ug/plate
REFERENCE :
ENMUDM Environmental Mutagenesis. (New York, NY) V.1-9, 1979-87. For
publisher information, see EMMUEG. Volume(issue)/page/year: 3,401,1981
*** END OF RECORD ***
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