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(±)-儿茶精 水合物
(±)-Catechin hydrate
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| 产品编号 | 包装单位 | 单价(元) | 国内现货 | 国外库存 | 询价单 |
| 3415057 | 10 MG | 6300 |
产品别名
7295-85-4
(±)-儿茶精 水合物
(±)-Catechin hydrate
trans-2-(3,4-Dihydroxyphenyl)-3,4-dihydro-1(2H)-benzopyran-3,5,7-triol
trans-3,3′,4′,5,7-Pentahydroxyflavane
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
结构式
基本信息
| Empirical Formula【经验(实验)分子式】 | C15H14O6 · xH2O |
| Molecular weight | 290.27 (anhydrous basis) |
| Beilstein | 92762 |
| EC number【EC 号】 | 205-825-1 |
| MDL number | MFCD00149354 |
| PubChem Substance ID【PubChem化学物质编号】 | 329747836 |
| NACRES | NA.24 |
| General description【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. |
| Application【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). |
| Biochem/physiol Actions【生化/生理作用】 | 多酚抗氧化剂。用于中药。 |
产品性质
| grade【等级】 | primary reference standard |
| Assay【测定】 | >90.0% |
| form【形式】 | powder |
| shelf life【保质期】 | limited shelf life, expiry date on the label |
| manufacturer/tradename | HWI |
| application(s) | food and beverages |
| storage temp.【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
| Pictograms【象形图】 | GHS07 |
| Signal word【警示用语：】 | Warning |
| Hazard Statements | H315 - H319 - H335 |
| Precautionary Statements | P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338 |
| Hazard Classifications【危险分类】 | Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3 |
| Target Organs【靶器官】 | Respiratory system |
| Storage Class Code【储存分类代码】 | 11 - Combustible Solids |
| WGK | WGK 3 |
