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Home> Products > Pharmaceuticals and Biochemicals > Herbal Extract > CAS DataBase Listed 9 > CAS 989-51-5
989-51-5 structure 3D

CAS 989-51-5 products price,suppliers

  • Name: Benzoic acid,3,4,5-trihydroxy-,(2R,3R)-3,4-dihydro-5,7-dihydroxy-2-(3,4,5-trihydroxyphenyl)-2H-1-benzopyran-3-ylester
  • Molecular Weight: 458.375
  • Formula: C22H18O11
  • A tumor-inhibiting constituent of green tea.Alters the cleavage of amyloid precursor protein, decreasing production of amaloid- and amaloid plaques in mice
Properties Safety and Handling MSDS Synthesis Route Precursor and Product Computational chemical data
Identification
Safety Data
  • [Safety Statements]
Properties
  • Appearance:
  • Solid
  • Molecular Weight:
  • 458.375
  • Density:
  • 1.9
  • Boiling Point:
  • 909.1°C at760mmHg
  • Melting Point:
  • 222-224 °C
  • Flash Point:
  • 320°C
  • Alpha:
  • D -185 ±2°(ethanol)
  • Storage Temperature:
  • 2-8°C
  • Refractive index:
  • -175.5 ° (C=1, EtOH)
  • Solubility:
  • Slightly soluble
  • Stability:
  • Stable, but may be light sensitive. Incompatible with strong oxidizing agents.
  • More Properties>>
Upstream Product Downtream information
There are 319 suppliers who can provide Benzoic acid,3,4,5-trihydroxy-,(2R,3R)-3,4-dihydro-5,7-dihydroxy-2-(3,4,5-trihydroxyphenyl)-2H-1-benzopyran-3-ylester with CAS No. 989-51-5
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Lab standard Epigallocatechin gallate CAS 989-51-5
Lab standard Epigallocatechin gallate CAS 989-51-5
  • FOB Price:10 USD/Kilogram 
  • Min.Order:1 Kilogram 
  • Supply Ability:200 Metric Ton/Month 
  • Appearance:Powder 
  • Purity:99.0%min 
  • Packaging:1 kg 
  • Usage:Plant Extracts 
  • Brand:Crovell 
  • Description:Lab standard Epigallocatechin gallate CAS 989-51-5 Package Our Lab<
  • Updatetime:May 25 2021 
98% EGCG Epigallocatechin gallate 989-51-5 CAS NO.989-51-5
98% EGCG Epigallocatechin gallate 989-51-5 CAS NO.989-51-5
  • FOB Price:1 USD/Metric Ton 
  • Min.Order:1 Kilogram 
  • Supply Ability:10000 Metric Ton/Quarter 
  • Appearance:Yellow Powder 
  • Purity:99% 
  • Packaging:25kg/bag 
  • Usage:chemical 
  • Brand:yuanda 
  • Description:original of extraction:green tea synonym:(2r,3r)-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-1(2h)-benzopyran-3,5,7-triol3-(3,4,5-trihydroxybenzoate) molecular formulas : c22h18o11 molecular weight : 458.38 appearance:off-white color powder cas number:989-51-5
  • Updatetime:Jan 29 2021 
(-)-Epigallocatechin gallate
(-)-Epigallocatechin gallate
  • FOB Price:111 USD/Kilogram 
  • Min.Order:1 Kilogram 
  • Supply Ability:1000 Kilogram/Month 
  • Appearance:solid 
  • Purity:0.98 
  • Packaging:PE BAG;BOTTLE;DRUM 
  • Usage:mainly for medical use for R & D use only 
  • Brand:enke 
  • Description:Identification Name (-)-Epigallocatechin gallate Synonyms (2R,3R)-2-(3,4,5-Trihydroxyphenyl)-3,4-dihydro-1(2H)-benzopyran-3,5,7-triol 3-(3,4,5-trihydroxybenzoate); EGCG copyRight Molecular Structure CAS # 989-51-5, (-)-Epigallocatechin gallate, (2R,3R)-2-(3,4,...
  • Updatetime:Sep 28 2021 
(-)-Epigallocatechin gallate (EGCG)
(-)-Epigallocatechin gallate (EGCG)
  • Min.Order:1 Kilogram 
  • Supply Ability:100 Kilogram/Month 
  • Appearance:white powder 
  • Purity:98% 
  • Packaging:according to the clients requirement 
  • Description:Superiority as a professional chemical company, we devote to the development, production and trade of fine chemicals, organic compounds, intermediates, apis and customized chemicals for more than 20 years and have passed iso9001 quality management system certi...
  • Updatetime:Mar 02 2021 
epigallocathequin gallate
epigallocathequin gallate
  • Purity:98% 
  • Description:epigallocathequin gallate
  • Updatetime:Apr 10 2018 
Epigallocatechin gallate
Epigallocatechin gallate
  • FOB Price:15 USD/20mg 
  • Min.Order:20 mg 
  • Supply Ability:20 Kilogram/Month 
  • Appearance:white powder 
  • Purity:≥98% 
  • Packaging:20mg ,50mg ,500mg ,1g (according to your request.) 
  • Usage:For laboratory researching ;Raw material for cosmetics ;Chemical reagents 
  • Brand:Gelipu 
  • Description:Epigallocatechin gallate; is a kind of high purity monomer isolated from green tea leaves
  • Updatetime:Sep 30 2020 
(-)-Epigallocatechin gallate
(-)-Epigallocatechin gallate
  • FOB Price:1 USD/Gram 
  • Min.Order:1 Gram 
  • Supply Ability:10000 Gram/Month 
  • Appearance:white crystalline powder 
  • Purity:>98% 99%by HPLC 
  • Packaging:20mg, 50mg,100mg,1g,10g,100g,kgs and so on 
  • Usage:For laboratory research 
  • Brand:Chengdu Herbpurify CO.,LTD 
  • Description:(-)-Epigallocatechin gallate 【 Synonyms 】 (-)-Epigallocatechin gallate
  • Updatetime:Dec 28 2018 
Hot sale high quality d chiro inositol with best price CAS No. 989-51-5
Hot sale high quality d chiro inositol with best price CAS N...
  • FOB Price:1 USD/Kilogram 
  • Min.Order:1 Kilogram 
  • Supply Ability:200 Metric Ton/Month 
  • Appearance:White powder 
  • Purity:99% 
  • Packaging:25kg/bag 
  • Usage:pharmaceutical intermediates 
  • Brand:Hebei Qige Biotechnology Co.,Ltd.?? 
  • Description:1. How is the quality? Above 99% purity. 2. How about the package ? Foil bag or as customers' requirement.
  • Updatetime:Nov 11 2020 
Green Tea Extract EGCG 95%
Green Tea Extract EGCG 95%
  • FOB Price:0 USD/Kilogram 
  • Min.Order:1 Kilogram 
  • Supply Ability:3-5 Metric Ton/Year 
  • Appearance:off-white fine powder 
  • Purity:95% 
  • Packaging:25kg/Drum; 1kg/vacuum Aluminum foil bag 
  • Usage:antioxidants, anti-tumors 
  • Brand:ChinWon 
  • Description:Model No.:
  • Updatetime:Oct 08 2018 
EGCG
EGCG
  • FOB Price:1076 USD/Kilogram 
  • Min.Order:1 Gram 
  • Supply Ability:1000 Kilogram/Month 
  • Appearance:White powder 
  • Purity:98% 
  • Packaging:Aluminum foil bags and cardboard barrels 
  • Usage:medicine, cosmetics, health products 
  • Brand:Herb-Key 
  • Description:Product overview [Chinese name] EGCG [English name] EGCG [plant source] Chinese tea [main ingredient] polyphenol [major specifications] 98% [detection method] HPLC [extraction of solvents] ethanol and water Function application Table gallic acid ester gallic c...
  • Updatetime:Jan 09 2018 
ISO& HACCP China manufacturer Green tea extract powder
ISO& HACCP China manufacturer Green tea extract powder
  • FOB Price:200 USD/Kilogram 
  • Min.Order:1 Kilogram 
  • Supply Ability:4000 Kilogram/Month 
  • Appearance:Brown to White fine powder 
  • Purity:Tea polyphenol 40%-98%, EGCG: 30%-98%, ??????????????????????????????????Catechins: 20%-8 
  • Packaging:Cardboard drum(25kg/drum),double plastic bag of foodstuff inside. 
  • Usage:- Prevent cardio-vascular disease - Lower the risk of cancer - Decrease blood sugar and bl 
  • Brand:NF 
  • Description:Avantage: - Ture Manufacturer with 3000 Square Meters workshop - Non-irradiation, Non-GMO,Allergen Free Products - Strictly testing system before shipping <
  • Updatetime:Jul 28 2021 
Pharmaceutical Raw Materials Tea Polyphenols Powder CAS 989-51-5 Anti-Radiation
Pharmaceutical Raw Materials Tea Polyphenols Powder CAS 989-...
  • FOB Price:1 USD/Gram 
  • Min.Order:1 Gram 
  • Supply Ability:1000 Gram/Day 
  • Appearance:white crystal powder 
  • Purity:99% 
  • Packaging:100g/ bag, 2 kg/ bag, 25kg/ carton or as required 
  • Usage:Pharmaceutical Raw 
  • Brand:H.X.K 
  • Description:Detailed Product Description Color: Light Yellow White Crystalline Or Light Green Powder Alias: Tea Polyphenols Delivery: By DHL, TNT, FedEx, HKEMS, UPS, Etc Appearance: Light Yellow White Crystalline Or Light Green Powder Type: Pharmaceutical Raw Materials Us...
  • Updatetime:Sep 28 2018 
989-51-5 Benzoic acid,3,4,5-trihydroxy-,(2R,3R)-3,4-dihydro-5,7-dihydroxy-2-(3,4,5-trihydroxyphenyl)-2H-1-benzopyran-3-ylester
989-51-5 Benzoic acid,3,4,5-trihydroxy-,(2R,3R)-3,4-dihydro-...
  • FOB Price:1 USD/Gram 
  • Min.Order:1 Gram 
  • Supply Ability:100 Kilogram/Day 
  • Appearance:Light yellow powder 
  • Purity:99% 
  • Packaging:100g/ bag, 2 kg/ bag, 25kg/ carton or as required 
  • Usage:Pharmaceutical Raw material 
  • Brand:XinRunde 
  • Description:Name: Benzoic acid,3,4,5-trihydroxy-,(2R,3R)-3,4-dihydro-5,7-dihydroxy-2-(3,4,5-trihydroxyphenyl)-2H-1-benzopyran-3-ylester Synonyms: Gallic acid, 3-esterwith epigallocatechol, (-)- (8CI);L-Epigallocatechin gallate;NVP-XAA 723;PF-EGCg 90;Teavigo;epi-Gallocatec...
  • Updatetime:Mar 26 2019 
(-)-Epigallocatechin gallate
(-)-Epigallocatechin gallate
  • FOB Price:1 USD/Kilogram 
  • Min.Order:1 Kilogram 
  • Supply Ability:100 Kilogram/Month 
  • Appearance:Solid 
  • Purity:98% 
  • Packaging:Standard export package 
  • Usage:Pharmaceutical Intermediates 
  • Brand:Corey 
  • Description:GC072 Coreychem focus on high complex new type intermediates and fine chemical custom synthesis,scale-up production and rare chemicals trade.Product category including Intermediates&API,Catalyst and Electronic Chemicals.Covering 811 square meters R&D center,wi...
  • Updatetime:May 21 2019 
Green Tea Extract EGCG
Green Tea Extract EGCG
  • FOB Price:300 USD/Kilogram 
  • Min.Order:5 Kilogram 
  • Supply Ability:1000 Kilogram/Month 
  • Appearance:white or off white fine powder 
  • Purity:90%,95%,98% 
  • Packaging:1kg/bag,5kg/bag,20kg/bag 
  • Description:Quick Details CAS No.: 989-51-5 Melting Point: 222-224 °C Boiling Point: 909.1 °C at 760 mmHg Flash Point: 320 °C Appearance: Solid Assay: 90%,95%,98% Exterior: white to off white powder Package: 1kg/bag,5kg/bag,20kg/bag Storage: keep in cool and dried place...
  • Updatetime:Jun 04 2014 
Powerful (-)-Epigallocatechin gallate ;CAS: 989-51-5
Powerful (-)-Epigallocatechin gallate ;CAS: 989-51-5
  • FOB Price:50 USD/Kilogram 
  • Min.Order:10 Kilogram 
  • Supply Ability:10000 Kilogram/Month 
  • Purity:99% 
  • Packaging:1kg/bag 
  • Description:(-)-epigallocatechin gallate Name: (-)-Epigallocatechin gallate Synonyms: TEA CATECHIN;(2R,3R)-2-(3,4,5-TRIHYDROXYPHENYL)-3,4-DIHYDRO-1(2H)-BENZOPYRAN-3,5,7-TRIOL 3-(3,4,5-TRIHYDROXYBENZOATE);3,4-DIHYDRO-5,7-DIHYDROXY-2R-(3,4,5-TRIHYDROXYPHENYL)-2H-1-BENZOPYRA...
  • Updatetime:Sep 21 2016 
High purity EGCG 989-51-5 in stock immediately delivery good supplier
High purity EGCG 989-51-5 in stock immediately delivery good...
  • FOB Price:1 USD/Kilogram 
  • Min.Order:1 Kilogram 
  • Supply Ability:10000 Kilogram/Day 
  • Appearance:Powder 
  • Purity:99% 
  • Packaging:25kg/drum 
  • Description:Superiority about us
  • Updatetime:Feb 26 2019 
EGCG
EGCG
  • Min.Order:1 Kilogram 
  • Supply Ability:10 Metric Ton/Year 
  • Appearance:see description 
  • Purity:see description 
  • Packaging:drum after sealed by plastic film bag 
  • Usage:see description 
  • Description:We can supply EGCG with purity over 90%, widely used in healthcare and pharmaceutics. Product Name: (-)-Epigallocatechin gallate Molecular formula:C22H18O11 MW:458.3 Synonym:Tea catechin, EGCG Visual/soluble/stable: Off-white powder with character odour and ta...
  • Updatetime:Nov 18 2019 
Green Tea Extract EGCG
Green Tea Extract EGCG
  • Min.Order:1 Kilogram 
  • Supply Ability:1000 Kilogram/Year 
  • Appearance:fine powder 
  • Purity:60%, 70%, 80%, 90%, 95% 
  • Packaging:25kg/drum 
  • Brand:sunfullbio 
  • Description:Botanical Resource: Camellia sinensis O. Ktze. Molecular formula: C22H18O11 Molecular weight: 458.38 CAS No.: 989-51-5 Product Spec.: EGCG 50%, 60%, 70%, 80%, 90%, 95% Sunfull Key Product List: Tea Extract Series: EGCG, EC, L-Theanine, Theaflavins, Tea polysac...
  • Updatetime:Oct 19 2016 
Epigallocatechin gallate 989-51-5 supplier
Epigallocatechin gallate 989-51-5 supplier
  • Min.Order:1 Milligram 
  • Supply Ability:100 Metric Ton/Year 
  • Appearance:powder 
  • Purity:98% 
  • Packaging:as your required 
  • Description:Superiority nanjing sunsure chemical technology co., ltd., established in 2009, has expanded a compositive entity from initially only as a small manufacturer. the company dedicated to the development, production and marketing of chemicals. sunsure covers whole...
  • Updatetime:Feb 25 2019 
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