Skip to Content
Merck
All Photos(1)

Documents

1236700

USP

(−)-Epigallocatechin-3-O-gallate

United States Pharmacopeia (USP) Reference Standard

Synonym(s):

(−)-Epigallocatechin gallate, (−)-cis-2-(3,4,5-Trihydroxyphenyl)-3,4-dihydro-1(2H)-benzopyran-3,5,7-triol 3-gallate, (−)-cis-3,3′,4′,5,5′,7-Hexahydroxy-flavane-3-gallate, EGCG

Sign Into View Organizational & Contract Pricing


About This Item

Empirical Formula (Hill Notation):
C22H18O11
CAS Number:
Molecular Weight:
458.37
MDL number:
UNSPSC Code:
41116107
PubChem Substance ID:
NACRES:
NA.24

grade

pharmaceutical primary standard

API family

catechins

manufacturer/tradename

USP

application(s)

pharmaceutical (small molecule)

format

neat

storage temp.

2-8°C

SMILES string

Oc1cc(O)c2C[C@@H](OC(=O)c3cc(O)c(O)c(O)c3)[C@H](Oc2c1)c4cc(O)c(O)c(O)c4

InChI

1S/C22H18O11/c23-10-5-12(24)11-7-18(33-22(31)9-3-15(27)20(30)16(28)4-9)21(32-17(11)6-10)8-1-13(25)19(29)14(26)2-8/h1-6,18,21,23-30H,7H2/t18-,21-/m1/s1

InChI key

WMBWREPUVVBILR-WIYYLYMNSA-N

Looking for similar products? Visit Product Comparison Guide

General description

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.
For further information and support please go to the website of the issuing Pharmacopoeia.

Application

(−)-Epigallocatechin-3-O-gallate USP reference standard, intended for use in specified quality tests and assays as specified in the USP compendia.

Analysis Note

These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.  ​

Other Notes

Sales restrictions may apply.

Pictograms

Exclamation markEnvironment

Signal Word

Warning

Hazard Statements

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Chronic 2 - Eye Irrit. 2 - Skin Sens. 1

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Customers Also Viewed

Slide 1 of 9

1 of 9

(−)-Epigallocatechin ≥95% (HPLC), from green tea

Sigma-Aldrich

E3768

(−)-Epigallocatechin

(+)-Catechin United States Pharmacopeia (USP) Reference Standard

USP

1096790

(+)-Catechin

Methyl gallate phyproof® Reference Substance

PHL82592

Methyl gallate

(+)-Catechin Pharmaceutical Secondary Standard; Certified Reference Material

Supelco

PHR1963

(+)-Catechin

(−)-Epicatechin analytical standard

Supelco

68097

(−)-Epicatechin

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

Sigma-Aldrich

E4018

(−)-Epicatechin

(−)-Epicatechin ≥90% (HPLC)

Sigma-Aldrich

E1753

(−)-Epicatechin

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service