4H-1-Benzopyran-4-one,2-(3,4-dihydroxyphenyl)-2,3-dihydro-3,5,7-trihydroxy-, (2R,3R)- cas no:480-18-2
Synonyms: 4H-1-Benzopyran-4-one,2-(3,4-dihydroxyphenyl)-2,3-dihydro-3,5,7-trihydroxy-, (2R-trans)-;Flavanone,3,3',4',5,7-pentahydroxy- (8CI);(+)-Dihydroquercetin;(+)-Taxifolin;(+)-trans-Taxifolin;(2R,3R)-(+)-Taxifolin;(2R,3R)-3,3',4',5,7-Pentahydroxyflavanone;(2R,3R)-Dihydroquercetin;2,3-Dihydroquercetin;3,5,7,3',4'-Pentahydroxyflavanone;Dihydroquercetin;Diquertin;Distylin;Lariksin;Lavitol;Taxifolin;Taxifoliol;
Name4H-1-Benzopyran-4-one,2-(3,4-dihydroxyphenyl)-2,3-dihydro-3,5,7-trihydroxy-, (2R,3R)-
CAS480-18-2
Synonyms4H-1-Benzopyran-4-one,2-(3,4-dihydroxyphenyl)-2,3-dihydro-3,5,7-trihydroxy-, (2R-trans)-;Flavanone,3,3',4',5,7-pentahydroxy- (8CI);(+)-Dihydroquercetin;(+)-Taxifolin;(+)-trans-Taxifolin;(2R,3R)-(+)-Taxifolin;(2R,3R)-3,3',4',5,7-Pentahydroxyflavanone;(2R,3R)-Dihydroquercetin;2,3-Dihydroquercetin;3,5,7,3',4'-Pentahydroxyflavanone;Dihydroquercetin;Diquertin;Distylin;Lariksin;Lavitol;Taxifolin;Taxifoliol;
EINECS(EC#)207-543-4
Molecular FormulaC15H12O7
Molecular Weight304.27
AppearanceYellowish powder
refractive index1.762
storage temp-20?C Freezer
Globally Harmonized System of Classification adn Labelling of Chemicals(GHS)
HazardclassIRRITANT
Risk R22
Safety
Moderately toxic by intraperitoneal route. Mutation data reported. When heated to decomposition it emits acrid smoke and irritating fumes.
Risk Statements : 22: Harmful if swallowed
Safety Statements : 22: Do not breathe dust
24/25: Avoid contact with skin and eyes
WGK Germany : 3
RTECS : LK6920000
| 1. |
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mmo-sat 100 µg/plate
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mma-sat 1660 nmol/plate
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MUREAV Mutation Research. 54 (1978),297. |
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cyt-ham:fbr 1 g/L/48H
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| 4. |
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ipr-rat LD50:1200 mg/kg
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JJPAAZ Japanese Journal of Pharmacology. 21 (1971),377. |
| 5. |
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ipr-mus LD50:985 mg/kg
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RPTOAN Russian Pharmacology and Toxicology. Translation of FATOAO. 38 (1975),213. |
