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| CAS No.: | 989-51-5 |
|---|---|
| Name: | (-)-Epigallocatechin gallate |
| Article Data: | 34 |
| Molecular Structure: | |
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| Formula: | C22H18O11 |
| Molecular Weight: | 458.378 |
| 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 |
| Safety: | 24/25 |
| PSA: | 197.37000 |
| LogP: | 2.23320 |
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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.