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MSDS  : Flavanone, 3,3',4',5,7-pentahydroxy-
CAS  : 480-18-2
SYNONYMS  : * 4H-1-Benzopyran-4-one, 2-(3,4-dihydroxyphenyl)-2,3-dihydro-3,5,7-trihydroxy- * 4H-1-Benzopyran-4-one, 2-(3,4-dihydroxyphenyl)-2,3-dihydro-3,5,7-trihydroxy-, (2R-trans) * Catechin hydrate * Dihydroquercetin * (+)-Dihydroquercetin * 2,3-Dihydroquercetin * (2R,3R)-Dihydroquercetin * Distylin * Flavone, 2,3-dihydro-3,3',4',5,7-pentahydroxy- * 3,3',4',5,7-Pentahydroxyflavanone * Quercetin, dihydro- * Taxifolin * Taxifoliol
*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER : LK6920000
CHEMICAL NAME : Flavanone, 3,3',4',5,7-pentahydroxy-
CAS REGISTRY NUMBER : 480-18-2
OTHER CAS REGISTRY NOS. : 5117-01-1
BEILSTEIN REFERENCE NO. : 0093548
REFERENCE : 5-18-05-00451 (Beilstein Handbook Reference)
LAST UPDATED : 199701
DATA ITEMS CITED : 6
MOLECULAR FORMULA : C15-H12-O7
MOLECULAR WEIGHT : 304.27
COMPOUND DESCRIPTOR : Drug
Mutagen
SYNONYMS/TRADE NAMES :
* 4H-1-Benzopyran-4-one,
2-(3,4-dihydroxyphenyl)-2,3-dihydro-3,5,7-trihydroxy-
* 4H-1-Benzopyran-4-one,
2-(3,4-dihydroxyphenyl)-2,3-dihydro-3,5,7-trihydroxy-, (2R-trans)
* Catechin hydrate
* Dihydroquercetin
* (+)-Dihydroquercetin
* 2,3-Dihydroquercetin
* (2R,3R)-Dihydroquercetin
* Distylin
* Flavone, 2,3-dihydro-3,3',4',5,7-pentahydroxy-
* 3,3',4',5,7-Pentahydroxyflavanone
* Quercetin, dihydro-
* Taxifolin
* Taxifoliol

*** HEALTH HAZARD DATA ***

** ACUTE TOXICITY DATA **

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 1200 mg/kg
TOXIC EFFECTS :
Biochemical - Metabolism (Intermediary) - effect on inflammation or
mediation of inflammation
REFERENCE :
JJPAAZ Japanese Journal of Pharmacology. (Japanese Pharmacological Soc.,
c/o Dept. of Pharmacology, Faculty of Medicine, Kyoto Univ., Sakyo-ku, Kyoto
606, Japan) V.1- 1951- Volume(issue)/page/year: 21,377,1971

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 985 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
RPTOAN Russian Pharmacology and Toxicology (English Translation).
Translation of FATOAO. (Euromed Pub., 33, Woodlands Rd., Surbiton, Surrey,
UK) V.30- 1967- Volume(issue)/page/year: 38,213,1975

** 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

TYPE OF TEST : Mutation in microorganisms
TEST SYSTEM : Bacteria - Salmonella typhimurium
DOSE/DURATION : 1660 nmol/plate
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 54,297,1978

TYPE OF TEST : Cytogenetic analysis
TEST SYSTEM : Rodent - hamster Fibroblast
DOSE/DURATION : 1 gm/L/48H
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 48,337,1977

*** STATUS IN U.S. ***

EPA TSCA Section 8(b) CHEMICAL INVENTORY


*** END OF RECORD ***
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