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03970590

Epigallocatechin-gallat

primary reference standard

Synonym(e):

(−)-Epigallokatechingallat, (−)-cis-2-(3,4,5-Trihydroxyphenyl)-3,4-dihydro-1(2H)-benzopyran-3,5,7-triol 3-gallat, (−)-cis-3,3′,4′,5,5′,7-Hexahydroxy-Flavan-3-Gallat, EGCG

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About This Item

Empirische Formel (Hill-System):
C22H18O11
CAS-Nummer:
989-51-5
Molekulargewicht:
458.37
MDL-Nummer:
MFCD00075940
UNSPSC-Code:
85151701
PubChem Substanz-ID:
329747849
NACRES:
NA.24

Qualität

primary reference standard

Haltbarkeit

limited shelf life, expiry date on the label

Hersteller/Markenname

HWI

Anwendung(en)

food and beverages

Lagertemp.

−20°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

InChIKey

WMBWREPUVVBILR-WIYYLYMNSA-N

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Verwandte Kategorien

Allgemeine Beschreibung

Produced and qualified by HWI pharma services GmbH.
Exact content by quantitative NMR can be found on the certificate.

Anwendung

Reference Standard in the analysis of herbal medicinal products

Piktogramme

Exclamation markEnvironment
GHS07,GHS09

Signalwort

Warning

Gefahreneinstufungen

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

WGK

WGK 3

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Choose from one of the most recent versions:

Analysenzertifikate (COA)

Lot/Batch Number
HWI03035-1
HWI02101-3
HWI03035
HWI02101-2
HWI02101-1

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(±)-Epigallocatechin-2,3,4-13C3 gallate ≥99 atom % 13C, ≥97% (CP)

Sigma-Aldrich

900376

(±)-Epigallocatechin-2,3,4-13C3 gallate

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

Sigma-Aldrich

E3768

(−)-Epigallocatechin

Anti-Laminin-Rezeptor-Antikörper from rabbit, purified by affinity chromatography

Sigma-Aldrich

ABC934

Anti-Laminin-Rezeptor-Antikörper

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

Sigma-Aldrich

E3893

(−)-Epicatechin-Gallat

(−)-Epigallocatechin analytical standard

Supelco

08108

(−)-Epigallocatechin

(−)-Epigallocatechin phyproof® Reference Substance

PHL89655

(−)-Epigallocatechin

(+)-Catechin phyproof® Reference Substance

PHL89172

(+)-Catechin

Epicatechin primary reference standard

03940590

Epicatechin

Olivier M Dorchies et al.
American journal of physiology. Cell physiology, 290(2), C616-C625 (2006-01-13)
Duchenne muscular dystrophy is a frequent muscular disorder caused by mutations in the gene encoding dystrophin, a cytoskeletal protein that contributes to the stabilization of muscle fiber membrane during muscle activity. Affected individuals show progressive muscle wasting that generally causes
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
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
Angélique Stalmach et al.
Molecular nutrition & food research, 53 Suppl 1, S44-S53 (2008-11-04)
Ten healthy human subjects consumed 500 mL of Choladi green tea, containing 648 mumol of flavan-3-ols after which plasma and urine were collected over a 24 h period and analysed by HPLC-MS. Plasma contained a total of ten metabolites, in
Silvia A Mandel et al.
Journal of Alzheimer's disease : JAD, 15(2), 211-222 (2008-10-28)
Although much progress has been made in understanding the pathogenesis of Alzheimer's disease (AD), the current therapeutic approaches are merely symptomatic, intended for the treatment of cognitive symptoms, such as disturbances in memory and perception. Novel promising strategies suggest the
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