Welcome to hiintermediates.com,intermediates trading platform
Home > products > 4H-1-Benzopyran-4-one,2-(3,4-dihydroxyphenyl)-2,3-dihydro-3,5,7-trihydroxy-, (2R,3R)-

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;

Identification
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
Chemical Properties
AppearanceYellowish powder
refractive index1.762
storage temp-20?C Freezer
Globally Harmonized System of Classification adn Labelling of Chemicals(GHS)
HazardclassIRRITANT
Safety Data

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


Toxicity
1.    

mmo-sat 100 µg/plate

    ENMUDM    Environmental Mutagenesis. 3 (1981),401.
2.    

mma-sat 1660 nmol/plate

    MUREAV    Mutation Research. 54 (1978),297.
3.    

cyt-ham:fbr 1 g/L/48H

    MUREAV    Mutation Research. 48 (1977),337.
4.    

ipr-rat LD50:1200 mg/kg

    JJPAAZ    Japanese Journal of Pharmacology. 21 (1971),377.
5.    

ipr-mus LD50:985 mg/kg

    RPTOAN    Russian Pharmacology and Toxicology. Translation of FATOAO. 38 (1975),213.

supplier list

Extrasynthese
Tel:+33-(0)478982034
Address: Zi Lyon Nord Impasse Jacquard BP 62 69730 Genay
Shanghai Standard Biotech Co., Ltd.
Tel:+86-(21)-5132-0033
Address: Room 206, 1011 Halei Road, Shanghai 201203,
CFM Oskar Tropitzsch
Tel:+49-(9231)-9619-0
Address: Oskar Tropitzsch, Gaderstrasse 1, Marktredwitz D-95615,
Beckmann-Kenko GmbH
Tel:+49-(4241)-9308-88
Address: Auf Dem Scheunenbrink 8, Bassum D-27211,
Sciencelab.com, Inc.
Tel:+1-(281)-441-4400
Address: 14025, Smith Road, Houston, Texas 77396,
Chengdu Biopurify Phytochemicals Ltd
Tel:+86-(28)-66780410
Address: No.24 Yongfeng Road, Chengdu, Sichuan 610041,
Xian Terra Biochem Co. Ltd
Tel:+86-(29)-88315623
Address: S711, Innovation Bldg No.25 Gaoxin 1st Rd, Xian 710075,
Chengdu Push Bio-Technology Co., Ltd.
Tel:+86-(28)-85370565 / 85370517
Address: No. 9 plus 2, Wuke Dong San Road, Wuhou District, Chengdu city, Sichuan 610045,
Kouting Chemical Co.,Ltd
Tel:+86-(21)-58116473
Address: Hunan Road, Pudong New District, Shanghai, Shanghai 201318,
Beijing Seajet Scientific
Tel:86-10-88598795/7838/9569
Address: Flat.15B, Block A.For order or inquiry please contact: Beijing, P.R.China 100089
Hangzhou UNIWISE International Co.,Ltd.
Tel:+86-571-28819531
Address: E-19F, Dongqiing Building, 52 Qingchun Rd, Hangzhou, China
KA-SHING Business Trade Macau Co.,Ltd
Tel:86-18928063226
Address: Room C,23rd Floor,Block 3
Hangzhou APIChem Technology Co., Ltd.
Tel:+86-571-56059907
Address: Hangzhou E&T Development Zone, Hangzhou, Zhejiang, 310018, China
Nanjing Zelang Medical Technology Co. Ltd
Tel:86-25-83063290/13770714480
Address: Ganjiabian 108# 01 Unit,701-702 room,Yao Hua Street,Qixia District,Nanjing,Jiangsu,China
Shanxi Green Bio-Engineering Co.,Ltd
Tel:86-29-86215910 86215920 86215930
Address: No.177,1ST Fengcheng Road,

Home   |   About Us   |   Service   |   Links   |   Add to  Favorite

Copyright©2011 HiIntermediates ICP: B2-20090288 浙ICP备09045134号-49
Tel: +86-0571-89739792