Merck
All Photos(1)

68097

Supelco

(−)-表儿茶素

analytical standard

Synonym(s):
(-)-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
Empirical Formula (Hill Notation):
C15H14O6
CAS Number:
Molecular Weight:
290.27
Beilstein:
92760
EC 号:
MDL编号:
PubChem化学物质编号:
NACRES:
NA.24

等级

analytical standard

质量水平

检测方案

≥97.0% (HPLC)

保质期

limited shelf life, expiry date on the label

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

mp

240 °C (dec.) (lit.)

application(s)

food and beverages

格式

neat

运输

wet ice

储存温度

2-8°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

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This Item
E40180394059003950590
(−)-Epicatechin analytical standard

Supelco

68097

(−)-表儿茶素

(−)-Epicatechin ≥98% (HPLC), from green tea

Sigma-Aldrich

E4018

(−)-表儿茶素

Epicatechin primary reference standard

03940590

(−)-表儿茶素

grade

analytical standard

grade

-

grade

primary reference standard

grade

primary reference standard

assay

≥97.0% (HPLC)

assay

≥98% (HPLC)

assay

-

assay

-

shelf life

limited shelf life, expiry date on the label

shelf life

-

shelf life

limited shelf life, expiry date on the label

shelf life

limited shelf life, expiry date on the label

technique(s)

HPLC: suitable, gas chromatography (GC): suitable

technique(s)

-

technique(s)

-

technique(s)

-

application(s)

food and beverages

application(s)

-

application(s)

food and beverages

application(s)

food and beverages

format

neat

format

-

format

-

format

-

一般描述

(−)-表儿茶素是一种单体儿茶素和多酚成分,属于黄烷-3-酚类。它主要存在于苹果、苹果制品和绿茶中。

应用

(−)-表儿茶素可作为分析参考标准品,通过高效液相色谱技术对绿茶中分析物进行定量。
有关合适仪器技术的更多信息,请参考产品分析证书。如需进一步支持,请联系技术服务。

包装

无底玻璃瓶。内含物在插入的融合锥体内。

象形图

Exclamation mark

警示用语:

Warning

危险声明

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


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