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E3893 Sigma-Aldrich

(−)-Epicatechin gallate

≥98% (HPLC), from green tea

Synonym: (−)-cis-2-(3,4-Dihydroxyphenyl)-3,4-dihydro-1(2H)-benzopyran-3,5,7-triol 3-gallate, (−)-cis-3,3′,4′,5,7-Pentahydroxyflavane 3-gallate, 3-O-Galloylepicatechin

  • CAS Number 1257-08-5

  • Empirical Formula (Hill Notation) C22H18O10

  • Molecular Weight 442.37

  •  MDL number MFCD00075936

  •  PubChem Substance ID 24894531

  •  NACRES NA.21

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Properties

Related Categories Antioxidant and Free Radical Scavengers, Antioxidants and Cytoprotectants, Bioflavonoids, Cancer Research, Cell Biology,
Quality Level   100
biological source   green tea
assay   ≥98% (HPLC)
storage temp.   2-8°C
SMILES string   Oc1cc(O)c2C[C@@H](OC(=O)c3cc(O)c(O)c(O)c3)[C@H](Oc2c1)c4ccc(O)c(O)c4
InChI   1S/C22H18O10/c23-11-6-14(25)12-8-19(32-22(30)10-4-16(27)20(29)17(28)5-10)21(31-18(12)7-11)9-1-2-13(24)15(26)3-9/h1-7,19,21,23-29H,8H2/t19-,21-/m1/s1
InChI key   LSHVYAFMTMFKBA-TZIWHRDSSA-N
Gene Information   human ... CYP1A2(1544)

Description

Packaging

10 mg in glass bottle

Biochem/physiol Actions

Antioxidant

Safety & Documentation

Safety Information

Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 3
RTECS 
DH9030000
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable

Documents

Certificate of Analysis (COA)

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Certificate of Origin (COO)

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Protocols & Articles

Articles

Dietary Antioxidants

Antioxidants protect biological systems from oxidative damage produced by oxygen-containing free radicals and from redoxactive transition metal ions such as iron, copper, and cadmium.1 During the oxi...
Biofiles Volume 2 Article 2
Keywords: Adhesion, Anti-inflammatory agents, Applications, Cancer, Cardiovascular, Catalysis, Diabetes, Diseases, Gene expression, Metabolism, Neurodegenerative Diseases, Peroxidations, Phosphorylations, Prebiotics, Probiotics, Reductions, Transcription, Transduction, Vitamins

HPLC Analysis of Catechins on Ascentis® RP-Amide

From our library of Articles, Sigma-Aldrich presents HPLC Analysis of Catechins on Ascentis® RP-Amide
Keywords: Chromatography, High performance liquid chromatography, Mass spectrometry, Vitamins

LC/MS Analysis of Flavonoids on Chromolith® FastGradient RP-18 endcapped

From our library of Articles, Sigma-Aldrich presents LC/MS Analysis of Flavonoids on Chromolith® FastGradient RP-18 endcapped
Keywords: Chromatography, High performance liquid chromatography, Liquid chromatography mass spectrometry, Mass spectrometry

LC/MS Analysis of Green Tea Components on Chromolith® FastGradient RP-18 endcapped

From our library of Articles, Sigma-Aldrich presents LC/MS Analysis of Green Tea Components on Chromolith® FastGradient RP-18 endcapped
Keywords: Chromatography, High performance liquid chromatography, Liquid chromatography mass spectrometry, Mass spectrometry

Peer-Reviewed Papers
15

References

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