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1257-08-5

Basic Information
CAS No.: 1257-08-5
Name: (-)-Epicatechin gallate
Article Data: 13
Molecular Structure:
Molecular Structure of 1257-08-5 ((-)-Epicatechin gallate)
Formula: C22H22O10
Molecular Weight: 442.379
Synonyms: Benzoicacid, 3,4,5-trihydroxy-,(2R,3R)-2-(3,4-dihydroxyphenyl)-3,4-dihydro-5,7-dihydroxy-2H-1-benzopyran-3-ylester;Benzoicacid, 3,4,5-trihydroxy-,2-(3,4-dihydroxyphenyl)-3,4-dihydro-5,7-dihydroxy-2H-1-benzopyran-3-yl ester,(2R-cis)-;Epicatechol, 3-gallate, (-)- (8CI);Gallic acid, 3-ester with epicatechol, (-)- (8CI);(-)-Epicatechin 3-O-gallate;(-)-Epicatechin 3-gallate;(-)-epi-Catechin 3-O-gallate;3-Galloyl-(-)-epicatechin;3-O-Galloyl-(-)-epicatechin;3-O-Galloylepicatechin;Epicatechin 3-O-gallate;L-Epicatechin gallate;(-)-Epicatechin-3-O-gallate;
EINECS: 603-088-4
Density: 1.8 g/cm3
Melting Point: 257-258 °C
Boiling Point: 861.7 °C at 760 mmHg
Flash Point: 305 °C
Solubility: Soluble in water, acetone, DMSO, methanol.
Safety: 24/25
PSA: 177.14000
LogP: 2.52760
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  • SAGECHEM/(-)-Epicatechin gallate(ECG)/SAGECHEM/Manufacturer in China

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    1257-08-5

    SAGECHEM/(-)-Epicatechin gallate(ECG)/SAGECHEM/Manufacturer in China

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    SAGECHEM is a chemical R&D, manufacturing and distribution company in China since 2009, including pharmaceutical intermediates, agrochemical, dyestuff intermediates, organosilicone, API and etc. We also offer a full range of services in custom synthe

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  •  SAGECHEM LIMITED

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  • E-0105   Epicatechin Gallate

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    E-0105 Epicatechin Gallate

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    The quality is guaranteed. If you find the product is wrong compared with COA, we promise 100% refund or change product. COA and HPLC will be shipped out with goods. You can also inform your analysis method and we will follow your analysis me

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    Address:No. 326, Aidisheng Rd , Zhangjiang Hi-tech Park, Shanghai , P.R.CHINA

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  • (-)-Epicatechin gallate

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    1257-08-5

    (-)-Epicatechin gallate

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    Suzhou Health Chemicals Co., Ltd. is A Fine Chemicals Company, specializing in research, development, manufacture and distribute raw materials for pharmaceutical, healthcare, bioch

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  • (-)-Epicatechin gallate

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    (-)-Epicatechin gallate

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  • (-)-Epicatechin gallate

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    1257-08-5

    (-)-Epicatechin gallate

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  • ≥98% high purity high quality custom manufacturing natural extract ECG 1257-08-5

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    1257-08-5

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Chemistry

Empirical Formula: C22H18O10
Molecular Weight: 442.3723 g/mol
Index of Refraction: 1.825
Density: 1.8 g/cm3
Flash Point: 305 °C
Enthalpy of Vaporization: 129.49 kJ/mol
Boiling Point: 861.7 °C at 760 mmHg
Vapour Pressure: 3.33E-31 mmHg at 25 °C
Melting point: 257-258 °C
Storage tempreture: 2-8 °C
Structure of (-)-Epicatechin gallate (CAS NO.1257-08-5):
                            
IUPAC Name: [(2R,3R)-2-(3,4-Dihydroxyphenyl)-5,7-dihydroxy-3,4-dihydro-2H-chromen-3-yl] 3,4,5-trihydroxybenzoate
Product Category of (-)-Epicatechin gallate (CAS NO.1257-08-5): Pharmaceutical Raw Materials

Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 oral > 1gm/kg (1000mg/kg)   Japanese Kokai Tokyo Koho Patents. Vol. #93-944,

Specification

 (-)-Epicatechin gallate (CAS NO.1257-08-5) also can be called (2R,3R)-2-(3,4-Dihydroxyphenyl)-3,4-dihydro-1(2H)-benzopyran-3,5,7-triol 3-(3,4,5-trihydroxybenzoate) ; and (-)-ECG .