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989-51-5

Basic Information
CAS No.: 989-51-5
Name: (-)-Epigallocatechin gallate
Molecular Structure:
Molecular Structure of 989-51-5 ((-)-Epigallocatechin gallate)
Formula: C22H18O11
Molecular Weight: 458.37 .
Synonyms: Gallic acid, 3-esterwith epigallocatechol, (-)- (8CI);L-Epigallocatechin gallate;NVP-XAA 723;PF-EGCg 90;Teavigo;epi-Gallocatechin 3-O-gallate;epi-Gallocatechin gallate;Epigallocatechol, 3-gallate (7CI);Epigallocatechol,3-gallate, (-)- (8CI);Epigallocatechol, gallate (6CI);(-)-Epigallocatechin 3-O-gallate;(-)-Epigallocatechin 3-gallate;3-O-Galloyl-(-)-epigallocatechin;EGCG;Epigallocatechin 3-O-gallate;Epigallocatechin 3-gallate;Benzoicacid, 3,4,5-trihydroxy-, 3,4-dihydro-5,7-dihydroxy-2-(3,4,5-trihydroxyphenyl)-2H-1-benzopyran-3-ylester, (2R-cis)-;
EINECS: 479-560-7
Density: 1.9 g/cm3
Melting Point: 222-224 °C
Boiling Point: 909.1 °C at 760 mmHg
Flash Point: 320 °C
Solubility: Soluble in ethanol, dimethyl formamide, water.
Appearance: Solid
Hazard Symbols:
Risk Codes:
Safety: 24/25
Transport Information:
PSA: 197.37000
LogP: 2.23320
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  • (-)-Epigallocatechin gallate

  • Casno:

    989-51-5

    (-)-Epigallocatechin gallate

    Min.Order: 0

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  • (-)-EPIGALLOCATECHIN GALLATE

  • Casno:

    989-51-5

    (-)-EPIGALLOCATECHIN GALLATE

    Min.Order: 1 Gram

    FOB Price:  USD $ 0.0-0.0/Gram

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  • (-)-Epigallocatechin gallate

  • Casno:

    989-51-5

    (-)-Epigallocatechin gallate

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  • High Quality Epigallocatechin gallate

  • Casno:

    989-51-5

    High Quality Epigallocatechin gallate

    Min.Order: 1 Gram

    FOB Price:  USD $ 1.0-1.0/Gram

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  • (-)-Epigallocatechin gallate

  • Casno:

    989-51-5

    (-)-Epigallocatechin gallate

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 100.0-100.0/Kilogram

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Chemistry

Molecular Formula: C22H18O11
Molecular Weight: 458.37 g/mol
Index of Refraction: 1.857
Density: 1.9 g/cm3
Flash Point: 320 °C
Enthalpy of Vaporization: 136.69 kJ/mol
Boiling Point: 909.1 °C at 760 mmHg
Vapour Pressure: 3.71E-35 mmHg at 25 °C
Melting point: 222-224 °C
Storage tempreture: 2-8 °C
Appearance: Solid
Structure of (-)-Epigallocatechin gallate (CAS NO.989-51-5):
                   
IUPAC Name: [(2R,3R)-5,7-Dihydroxy-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2H-chromen-3-yl] 3,4,5-trihydroxybenzoate
Product Category of (-)-Epigallocatechin gallate (CAS NO.989-51-5): Pharmaceutical Raw Materials;Catechins & Tannins;Antioxidant;Flavonoids;Standard extract;Natural Plant Extract;Inhibitors

Uses

 (-)-Epigallocatechin gallate (CAS NO.989-51-5) has been used for a tumor-inhibiting constituent of green tea for altering the cleavage of amyloid precursor protein, decreasing production of amaloid- and amaloid plaques in mice.

Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 oral 2170mg/kg (2170mg/kg)   Kiso to Rinsho. Clinical Report. Vol. 21, Pg. 4601, 1987.

Safety Profile

WGK Germany: 2
RTECS: KB5200000
F:F 10 Keep under argon;F 23 Sensitive to air.

Specification

 (-)-Epigallocatechin gallate , its cas register number is 989-51-5. It also can be called Epigallocatechin-3-gallate ; EGCG cpd ; and Epigallocatechin gallate . It is the most abundant catechin in most notably tea. It is found in green tea but not black tea, as EGCG is converted into thearubigins in black teas.