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(-)-epigallocatechin 3-gallate

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FOB Price $120.00

Origin: China

Cas No: 989-51-5

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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Product Description

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CAS No.: 989-51-5 Formula: C22H18O11 Molecular Weight: 458.37200

Description

Epigallocatechin gallate (EGCG), also known as epigallocatechin-3-gallate, is the ester of epigallocatechin and gallic acid, and is a type of catechin.
EGCG, the most abundant catechin in tea, is a polyphenol under basic research for its potential to affect human health and disease. EGCG is used in many dietary supplements.

Basic Info

Chemical Name	(-)-epigallocatechin 3-gallate
Synonyms	TEA CATECHIN; Epigallocatechin gallate; E-5187; EGCG; Teavigo; ECGC; epigallocatechin 3-gallate; Teavigo TG; EGCG-d6; (-)-Epigallocatechin gallate,EGCG;
CAS No.	989-51-5
Molecular Formula	C22H18O11
Molecular Weight	458.37200
PSA	197.37000
LogP	2.23320

Properties

Appearance & Physical State	Yellow Powder
Density	1.9g/cm3
Boiling Point	909.1ºC at 760 mmHg
Melting Point	222-224ºC
Flash Point	320ºC
Refractive Index	1.857
Stability	Stable, but may be light sensitive. Incompatible with strong oxidizing agents.
Storage Condition	2-8ºC

Safety Info

RTECS	KB5200000
WGK Germany	2

Synthesis Route

(-)-epigallocatechin 3-gallate→gallic acid+(-)-epigallocatechin 3-gallate
(-)-(2R,3R)-cis-5,7-bis(benzyloxy)-2-[3,4,5-tris(benzyloxy)phenyl]chroman-3-yl 3,4,5-tris(benzyloxy)benzoate→(-)-epigallocatechin 3-gallate
(-)-epigallocatechin 3-O-galloylperacetate→(-)-epigallocatechin 3-gallate

Precursor

3,4,5-Trihydroxy-benzoic acid (2R,3S,4S)-5,7-dihydroxy-4-phenylsulfanyl-2-(3,4,5-trihydroxy-phenyl)-chroman-3-yl ester
(-)-epigallocatechin 3-O-galloylperacetate
(-)-(2R,3R)-cis-5,7-bis(benzyloxy)-2-[3,4,5-tris(benzyloxy)phenyl]chroman-3-yl 3,4,5-tris(benzyloxy)benzoate
3,4,5-tris(phenylmethoxy)benzoyl chloride

Downstream Product

(-)-epigallocatechin 3-gallate
1,1-Diphenyl-2-picrylhydrazine
(-)-epicatechin
Catechin-(4alpha-8)-epigallocatechin-3-gallate

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