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Merck

93894

(−)-Epigallocatechin gallate

analytical standard

Synonym(s):

(−)-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

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10 MG

₩474,513

₩474,513

Estimated to ship onDecember 01, 2025Details

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About This Item

Empirical Formula (Hill Notation):
C22H18O11
CAS Number:
989-51-5
Molecular Weight:
458.37
MDL number:
MFCD00075940
UNSPSC Code:
85151701
PubChem Substance ID:
329770285
NACRES:
NA.24

Key Documents

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grade

analytical standard

Quality Level

100

Assay

≥98.0% (HPLC)

shelf life

limited shelf life, expiry date on the label

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

application(s)

food and beverages

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

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This Item
PHR1333E4143324880
(−)-Epigallocatechin gallate analytical standard

Supelco

93894

(−)-Epigallocatechin gallate

Epigallocatechin gallate Pharmaceutical Secondary Standard; Certified Reference Material

Supelco

PHR1333

Epigallocatechin gallate

(−)-Epigallocatechin gallate ≥95%

Sigma-Aldrich

E4143

(−)-Epigallocatechin gallate

(–)-Epigallocatechin Gallate One of the main polyphenolic constituents of green tea that exhibits potent antitumor, anti-inflammatory, and antioxidant properties.

Sigma-Aldrich

324880

(–)-Epigallocatechin Gallate

grade

analytical standard

grade

certified reference material, pharmaceutical secondary standard

grade

-

grade

-

format

neat

format

neat

format

-

format

-

assay

≥98.0% (HPLC)

assay

-

assay

≥95%

assay

≥95% (HPLC)

shelf life

limited shelf life, expiry date on the label

shelf life

-

shelf life

-

shelf life

-

technique(s)

HPLC: suitable

technique(s)

HPLC: suitable, gas chromatography (GC): suitable

technique(s)

-

technique(s)

-

application(s)

food and beverages

application(s)

pharmaceutical (small molecule)

application(s)

metabolomics
vitamins, nutraceuticals, and natural products

application(s)

-

General description

(−)-Epigallocatechin gallate is a bioactive compound, which is an important constituent of green tea.[1] It may serve as a potent candidate to prevent cancer.[2]

Application

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Pictograms

Exclamation markEnvironment
GHS07,GHS09

Signal Word

Warning

Hazard Statements

H302,H317,H319,H411

Hazard Classifications

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

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
WXBF5046V
WXBD8167V
WXBD4496V
WXBD0257V
WXBC8915V

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Inhibition of tumor promoter-induced activator protein 1 activation and cell transformation by tea polyphenols,(-)-epigallocatechin gallate, and theaflavins
Dong Z, et al.
Cancer Research, 57, 4414-4419 (1997)
Epigallocatechin gallate has pleiotropic effects on transmembrane signaling by altering the embedding of transmembrane domains
Ye F, et al.
The Journal of Biological Chemistry, 292, 9858-9864 (2017)
Mohsen Alizadeh et al.
Reports of biochemistry & molecular biology, 10(3), 455-461 (2022-01-05)
The available evidence has increasingly demonstrated that a combination of genetic and epigenetic factors, such as DNA methylation, could be considered as causing leukemia. Epigenetic changes and methylation of the suppressor of the cytokine signaling 1 promoter (SOCS1) CpG region
Masaki Kanadzu et al.
Cancer letters, 241(2), 250-255 (2005-11-24)
(-)-Epigallocatechin gallate (EGCG), a catechin polyphenol component, is the main ingredient of green tea extract. Recently, increasing attention has been given to its anti-oxidant effects. However, several studies reported the oxidative effects of EGCG, suggesting that EGCG had a dual
M Ichihashi et al.
Journal of dermatological science, 23 Suppl 1, S45-S50 (2000-04-15)
Reactive oxygen species (ROS) have been shown to be responsible for inducing DNA damage after ultraviolet radiation (UV). Antioxidant, vitamin E and epigallocatechin gallate extracted from green tea, applied topically to the skin, delayed the onset of UV-induced skin cancer
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