CAS No.1257-08-5,(-)-Epicatechin gallate Suppliers

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Basic Information

Molecular Structure:
CAS No.:	1257-08-5
Name:	(-)-Epicatechin gallate
Article Data:	13

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

Raw Materials

100-53-8

Downstream Products

621-54-5

149-91-7

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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 .