反式-2-(3,4-二羟苯基)-3,4-二氢-1(2H)-苯并吡喃-3,5,7-三醇

产品名称：

7295-85-4
(±)-Catechin hydrate
trans-2-(3,4-Dihydroxyphenyl)-3,4-dihydro-1(2H)-benzopyran-3,5,7-triol
trans-3,3′,4′,5,7-Pentahydroxyflavane
(±)-儿茶精水合物
反式-2-(3,4-二羟苯基)-3,4-二氢-1(2H)-苯并吡喃-3,5,7-三醇
反式-3,3′,4′,5,7-五羟基黄烷

产品介绍：

产品说明

一般描述

Catechin hydrate, a flavononol, belongs to the class of flavonoids. It is present in abundance in Siberian larch (Larix sibirica) and in silymarin extract of milk thistle seeds. Its potent chemopreventive action by virtue of the regulation of genes through the ARE-dependent pathway has been widely investigated. It also shows potential antioxidant activity against ovarian cancer cell growth, cellular melanogenesis, human breast cancer, etc.
Produced and qualified by HWI pharma services GmbH.
Exact content by quantitative NMR can be found on the certificate.

应用

Catechin hydrate may be used as a reference standard for the determination of the analyte in walnut leaves by high-performance liquid chromatography (HPLC).

生化/生理作用

多酚抗氧化剂。用于中药。

基本信息

经验(实验)分子式	C₁₅H₁₄O₆ · xH₂O
分子量	290.27 (anhydrous basis)
Beilstein	92762
EC 号	205-825-1
MDL编号	MFCD00149354
PubChem化学物质编号	329747836
NACRES	NA.24

产品性质

等级	primary reference standard
测定	>90.0%
形式	powder
保质期	limited shelf life, expiry date on the label
manufacturer/tradename	HWI
application(s)	food and beverages
储存温度	−20℃
SMILES string	[H]O[H].O[C@H]1Cc2c(O)cc(O)cc2O[C@@H]1c3ccc(O)c(O)c3
InChI	1S/C15H14O6.H2O/c16-8-4-11(18)9-6-13(20)15(21-14(9)5-8)7-1-2-10(17)12(19)3-7;/h1-5,13,15-20H,6H2;1H2/t13-,15+;/m0./s1
InChI key	OFUMQWOJBVNKLR-NQQJLSKUSA-N

安全信息

象形图
警示用语：	Warning
危险声明	H315 - H319 - H335
预防措施声明	P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
危险分类	Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
靶器官	Respiratory system
储存分类代码	11 - Combustible Solids
WGK	WGK 3
闪点(F)	Not applicable
闪点(C)	Not applicable

(±)-Catechin hydrate

trans-3,3′,4′,5,7-Pentahydroxyflavane