跳转至内容
Merck
CN

主要文件

查看所有文档

03940590

(−)-表儿茶素

primary reference standard

别名:

(-)-顺式-3,3′,4′,5,7-五羟基黄烷, (2R,3R)-2-(3,4-二羟基苯基)-3,4-二氢-1(2H)-苯并吡喃-3,5,7-三醇

登录 查看组织和合同定价。

选择尺寸

变更视图

关于此项目

经验公式（希尔记法）:
C15H14O6
化学文摘社编号:
490-46-0
分子量:
290.27
UNSPSC Code:
85151701
NACRES:
NA.24
PubChem Substance ID:
329747844
EC Number:
207-710-1
Beilstein/REAXYS Number:
92760
MDL number:
MFCD00075648
技术服务
需要帮助？我们经验丰富的科学家团队随时乐意为您服务。
让我们为您提供帮助

grade

primary reference standard

shelf life

limited shelf life, expiry date on the label

manufacturer/tradename

HWI

mp

240 °C (dec.) (lit.)

application(s)

food and beverages

storage temp.

−20°C

SMILES string

O[C@@H]1Cc2c(O)cc(O)cc2O[C@@H]1c3ccc(O)c(O)c3

InChI

1S/C15H14O6/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/t13-,15-/m1/s1

InChI key

PFTAWBLQPZVEMU-UKRRQHHQSA-N

General description

Epicatechin is a potential antioxidant flavonoid, which belongs to the catechin family. It is commonly found in monomeric or/and oligomeric forms in green teas, red wine, cocoa products, and various fruits like grape seeds.
Produced and qualified by HWI pharma services GmbH.
Exact content by quantitative NMR can be found on the certificate.

Application

Reference Standard in the analysis of herbal medicinal products

Still not finding the right product?

Explore all of our products under (−)-表儿茶素

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

存储类别

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
HWI02311-3
HWI02311-2
HWI02311-1
HWI02311
HWI01708-1

没有发现合适的版本？

如果您需要特殊版本，可通过批号或批次号查找具体证书。

搜索COA

已有该产品？

在文件库中查找您最近购买产品的文档。

访问文档库

商品

Analysis of Caffeine and Catechins in Green Tea

Validated HPLC method (based on Ph. Eur. Monograph 2668) for quantifying catechins and caffeine in decaffeinated green tea using a Chromolith® High Resolution RP-18e column with advantages in terms of backpressure and matrix robustness.

相关内容

Quantitative NMR for Content Assignment of Phytochemical Reference Standards

Quantitative NMR for Content Assignment of Phytochemical Reference Standards

Structures of (?)-epicatechin glucuronide identified from plasma and urine after oral ingestion of (?)-epicatechin: differences between human and rat
Natsume M, et al.
Free Radical Biology & Medicine, 34, 840-849 (2003)
Uptake and metabolism of epicatechin and its access to the brain after oral ingestion
Mohsen EA.MM, et al.
Free Radical Biology & Medicine, 33, 1693-1702 (2002)
Major flavonoids in grape seeds and skins: antioxidant capacity of catechin, epicatechin, and gallic acid
Yilmaz Y and Toledo.TR
Journal of Agricultural and Food Chemistry, 52, 255-260 (2004)
查看所有相关文献

全球贸易项目编号

货号GTIN
03940590-10MG04061838628503