522-12-3|4H-1-Benzopyran-4-one,3-[(6-deoxy-a-L-mannopyranosyl)oxy]-2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-Products Supply

4H-1-Benzopyran-4-one,3-[(6-deoxy-a-L-mannopyranosyl)oxy]-2-(3,4-dihydroxyphenyl)-5,7-dihydroxy- cas no:522-12-3

Synonyms: Quercitrin(7CI,8CI);3,3',4',5,7-Pentahydroxyflavone 3-L-rhamnoside;3-O-Rhamnosylquercetin;5,7,3',4'-Tetrahydroxyflavonol3-O-rhamnoside;C.I. 75720;NSC 9221;Quercetin 3-L-rhamnoside;Quercetin 3-O-a-L-rhamnopyranoside;Quercetin 3-O-a-rhamnopyranoside;Quercetin 3-rhamnoside;Quercimelin;Quercitroside;WA 17779;

Identification

Name4H-1-Benzopyran-4-one,3-[(6-deoxy-a-L-mannopyranosyl)oxy]-2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-
CAS522-12-3
SynonymsQuercitrin(7CI,8CI);3,3',4',5,7-Pentahydroxyflavone 3-L-rhamnoside;3-O-Rhamnosylquercetin;5,7,3',4'-Tetrahydroxyflavonol3-O-rhamnoside;C.I. 75720;NSC 9221;Quercetin 3-L-rhamnoside;Quercetin 3-O-a-L-rhamnopyranoside;Quercetin 3-O-a-rhamnopyranoside;Quercetin 3-rhamnoside;Quercimelin;Quercitroside;WA 17779;
EINECS(EC#)208-322-5
Molecular FormulaC₂₁H₂₀O₁₁
Molecular Weight448.38

Chemical Properties

refractive index1.775
storage temp2-8°C

Safety Data

Safety

Poison by intraperitoneal route. Mutation data reported. When heated to decomposition it emits acrid smoke and irritating fumes.
Safety Information of Quercitrin (522-12-3):
WGK Germany: 3
RTECS: UZ5950000

Toxicity

1.		mma-sat 166 nmol/plate		MUREAV Mutation Research. 54 (1978),297.
2.		ipr-mus LD50:200 mg/kg		NTIS** National Technical Information Service. (Springfield, VA 22161) (Formerly U.S. Clearinghouse for Scientific and Technical Information) AD277-689 .

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,

Applichem GmbH: Tel:+49-(6151)-93570; Address: 4, Ottoweg, Darmstadt 64291,

Chengdu Biopurify Phytochemicals Ltd: Tel:+86-(28)-66780410; Address: No.24 Yongfeng Road, Chengdu, Sichuan 610041,

Aktin Chemicals, Inc.: Tel:+86-(28)-85159085; Address: Yongfeng Plaza, No.52, Yongfeng Road, Hi-tech Zone, Chengdu, Sichuan 610041,

Xi'an Sino-Herb Bio-Technology Co. Ltd: Tel:86-29-88327523; Address: No.2 the 5th Gaoxin Road of -Xi'an 710075,

Beijing StandardHerbs Medical Science & Technology Development Co., Ltd.: Tel:+86-(10)-6298-5150; Address: Room 717 Huizhong Plaza, Number one Shangdi 7th Street, Haidian District, Beijing 100085,

Kouting Chemical Co.,Ltd: Tel:+86-(21)-58116473; Address: Hunan Road, Pudong New District, Shanghai, Shanghai 201318,

Idea Dao Inrernational Group Co.,Limited: Tel:13720424382; Address: NO.1 cuihua road XIAN

HangZhou Peak Chemical Co.,Ltd: Tel:+86-571-88233073; Address: Rm. 3-502,Building 3 Tucuiyuan,Lakeside Garden,No.176 Wenyi West Road, HangZhou,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

Phytomarker Ltd.: Tel:+86-(22)-2635-8246; Address: Rm601-4-20 Fujiayuan, Tiantai Road, Tianjin 300230,

Shanghai Forever Biotech Co., Ltd.: Tel:+86-(21)-6973-4790; Address:

Shanghai Sunny Chemical Industry Science and Technology Co., Ltd: Tel:+86-21-5523 1635; Address: Shanghai

shanghai Tauto Biotech Co., Ltd: Tel:86-21-51320588; Address: No. 326, Aidisheng Rd , Zhangjiang Hi-tech Park, Shanghai , P.R.CHINA

4H-1-Benzopyran-4-one,3-[(6-deoxy-a-L-mannopyranosyl)oxy]-2-(3,4-dihydroxyphenyl)-5,7-dihydroxy- cas no:522-12-3

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