半岛bd体育手机客户端 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 |
半岛bd体育手机客户端 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 |
Sigma-Aldrich
m.cnreagent.com
