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CHANGZHOU HANGYU PHARMACEUTICAL TECHNOLOGY CO., LTD

We are very strong on this item. Package:25kgs net carton drums Application:490-46-0 Port:SHANGHAI

Epicatechin

Cas:490-46-0

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Baoji Guokang Healthchem co.,ltd

Our company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At pres

100% Natural Green tea extract Epicatechin(EC) L-Epicatechin CAS:490-46-0

Cas:490-46-0

Min.Order:1 Kilogram

FOB Price: $1258.0 / 1267.0

Type:Trading Company

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Chengdu Biopurify Phytochemicals Ltd.

Chengdu Biopurify Phytochemicals Ltd. is a leading company in the research, development, manufacture and marketing of High Quality Phytochemicals and Extracts(especially Active Ingredients from Traditional Chinese Medicine,Traditional Chinese Medic

L-Epicatechin

Cas:490-46-0

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Yuanye Bio-Technology Co., Ltd.

Known for its best quality and competitve price, this chemicals we offered is widely appreciated by our customers.Appearance:White powder Storage:keep sealed and keep from direct light Package:According client's requirements Application:pharmaceutica

Epicatechin (EC) manufacturer

Cas:490-46-0

Min.Order:0

Negotiable

Type:Trading Company

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Simagchem Corporation

Welcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our

High quality L-Epicatechin supplier in China

Cas:490-46-0

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

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Wuhan Fortuna Chemical Co.,Ltd

Unique advantages of L-Epicatechin Cas 490-46-0 Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:Off-white powder Storage:Cool dry place Package:1kg/foil bag Applica

High quality L-Epicatechin Cas 490-46-0 with best price

Cas:490-46-0

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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Ality Chemical Corporation

The above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providi

Factory Supply L-Epicatechin

Cas:490-46-0

Min.Order:1

Negotiable

Type:Other

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Xi'an Xszo Chem Co., Ltd.

1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s

Xi`an Eastling Biotech Co., Ltd.

CAS: 490-46-0 Molecular Formula: C15H14O6 Home Product Category Biochemistry Ingredients of Chinese herbal medicine 490-46-0 490-46-0 - Names and Identifiers Name 2-(3,4-dihydroxyphenyl)-2,3,4-trihydro-3,5,7-trihydroxychromene

Factory high quality L-Epicatechin/ Green tea extract Epicatechin

Cas:490-46-0

Min.Order:1 Kilogram

FOB Price: $159.0 / 170.0

Type:Trading Company

inquiry

Shanghai Seasonsgreen Chemical Co.,Ltd

Shanghai Seasonsgreen Chemical is a high-tech research and development, production, sale and custom synthesis set in one high-tech chemical products enterprises. Our sales and marketing division is located in Shanghai, serving international pharmaceu

lower price High quality L-Epicatechin

Cas:490-46-0

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Manufacturers

inquiry

Dayang Chem (Hangzhou) Co.,Ltd.

As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem's R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis ch

L-Epicatechin Manufacturer/High quality/Best price/In stock

Cas:490-46-0

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Hebei yanxi chemical co.,LTD.

hebei yanxi chemical co., LTD who registered capital of 10 million yuan, nearly to $2 million, we have a pharmaceutical raw materials factory production of pharmaceutical raw materials, and a reagent r&d center, and we do research and developm

L-Epicatechin CAS NO.490-46-0

Cas:490-46-0

Min.Order:1 Kilogram

FOB Price: $1.0 / 3.0

Type:Trading Company

inquiry

Chemwill Asia Co., Ltd.

Our main production base is located in Xuzhou industry park. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block

Epicatechin

Cas:490-46-0

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Sinoway Industrial Co., Ltd.

Why is SINOWAY: 1) Specialized in pharmaceutical and healthcare industrial for 34 years. 2) ISO 9001:2015 & SGS audited supplier . 3) Accept various payment terms : T.T 30-60 days. 4) We have warehouse in USA with quickly shipment . 5) We c

Green tea extract L-Epicatechin 490-46-0

Cas:490-46-0

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Henan Tianfu Chemical Co., Ltd.

Product Name: L-Epicatechin Synonyms: EC, L-Epicatechin;L-Epicatechin 2-(3,4-Dihydroxyphenyl)-3,4-dihydro-2H-1-benzopyran-3,5,7-triol;Table son tea;(-)-Epicatechin, >=98%;(-)-Epicatechin, 98%, from green tea;5,7-trihydroxychromene;(-)-EC;(+)-EC

490-46-0 L-Epicatechin

Cas:490-46-0

Min.Order:1 Kilogram

FOB Price: $230.0

Type:Lab/Research institutions

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

With our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufacturin

L-Epicatechin

Cas:490-46-0

Min.Order:1 Kilogram

FOB Price: $1.0 / 10.0

Type:Trading Company

inquiry

Zhuozhou Wenxi import and Export Co., Ltd

WITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et

Standard CAS 490-46-0 with best quality

Cas:490-46-0

Min.Order:10 Gram

FOB Price: $146.0 / 176.0

Type:Trading Company

inquiry

Hebei Sankai Chemical Technology Co., Ltd

1. Product advantages ♦ High purity, all above 98.5%, no impurities after dissolution ♦ We will test each batch to ensure quality ♦ OEM and private brand services designed for free ♦ Various cap colors available ♦ W

L-Epicatechin CAS490-46-0

Cas:490-46-0

Min.Order:1 Kilogram

FOB Price: $370.0 / 499.0

Type:Trading Company

inquiry

Hubei Vanz Pharm Co.,Ltd

MOQ: 1kg Form: Powder Colour: White Test: HPLC Function: Antioxidant Grade: Pharm Appearance:white Storage:room Package:drum Application:Antioxidant Port:Shanghai/Wu

CAS 490-46-0 Epicatechin Powder

Cas:490-46-0

Min.Order:10 Gram

Negotiable

Type:Trading Company

inquiry

Hangzhou Sartort Biopharma Co., Ltd

Appearance:White to light yellow crystal powder Storage:Room temperature Package:25kg/drum Application:Anti-oxidize effect Transportation:Express/Sea/Air Port:Any port in china

Natural Green Tea Extract L-Epicatechin Epicatechin (EC)

Cas:490-46-0

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hubei Langyou International Trading Co., Ltd

1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; Appearance:White Crystalline Powder Storage:Store in sealed containers

CAS NO. 490-46-0 L-Epicatechin with best price

Cas:490-46-0

Min.Order:100 Gram

Negotiable

Type:Other

inquiry

Shanghai Upbio Tech Co.,Ltd

1.No Less 8 years exporting experience. Clients can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specialized

2H-1-Benzopyran-3,5,7-triol,2-(3,4-dihydroxyphenyl)-3,4-dihydro-, (2R,3R)- 490-46-0

Cas:490-46-0

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Xi'an Faithful Biotech Co., Ltd.

We are the manufacturers and suppliers of API in China, and warehouse in Germany and USA of California, which can quickly and safely deliver to your address 1.High quality and competitive price. 2.Free sample for your evaluation. 3.Promptly delivery

Qingdao Beluga Import and Export Co., LTD

L-Epicatechin CAS: 490-46-0 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality organic intermediate

L-Epicatechin CAS: 490-46-0

Cas:490-46-0

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Shandong Hanjiang Chemical Co., Ltd.

Hello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai

2H-1-Benzopyran-3,5,7-triol,2-(3,4-dihydroxyphenyl)-3,4-dihydro-, (2R,3R)-

Cas:490-46-0

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Wuhan Wonda Pharm Limited

1.high quality: quality is life. quality is the most important element for all goods. we have a lab doing research in wuhan china. hplc and nmr is available if needed. 2.reasonable price: we provide high quality products wi

Professional supplier for L-Epicatechin with competitive price

Cas:490-46-0

Min.Order:10 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Henan Wentao Chemical Product Co., Ltd.

Henan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod

CAS NO.:490-46-0

Cas:490-46-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Leader Biochemical Group

PRODUCT DETAILS

The world Biggest Manufacturer factory sales L-Epicatechin CAS 490-46-0

Cas:490-46-0

Min.Order:500 Kilogram

FOB Price: $1.0 / 2.0

Type:Lab/Research institutions

inquiry

ShangHai Soyoung Biotechnology Inc

Shanghai SOYOUNG onsite assessment conducted by Bureau Veritas commissioned at June 2018. Assessed Supplier of Shanghai SOYOUNG is a faithful and professional supplier of health raw materials in pharmacy, food, cosmetic and other fields for many ye

natural extract of Epicatechin Camellia sinensis extract

Cas:490-46-0

Min.Order:25 Kilogram

FOB Price: $480.0

Type:Lab/Research institutions

inquiry

Wuhan ZeShanCheng Biomedical Technology Co., Ltd.

1,we produce and sell good chemicals around the world. 2,our success rate is about 95%. this means, if customer order is accepted, the probability that the customer will obtain the ordered

L-Epicatechin

Cas:490-46-0

Min.Order:1 Kilogram

FOB Price: $447.16 / 745.27

Type:Trading Company

inquiry

Synthetic route

A

(+)-epicatechin
35323-91-2

(+)-epicatechin

B

(2R,3R)-2-(3,4-dihydroxyphenyl)-3,4-dihydro-1[2H]-benzopyran-3,5,7-triol
490-46-0

(2R,3R)-2-(3,4-dihydroxyphenyl)-3,4-dihydro-1[2H]-benzopyran-3,5,7-triol

Conditions
ConditionsYield
With CHIRAL PAKIC In ethanol; hexane at 20℃; Resolution of racemate;A 85%
B 84%
With CHIRAL PAK IC (250 X 4.6) mm, 5μ column In methanol at 25℃; Product distribution / selectivity; Resolution of racemate;
With CHIRAL PAK In methanol at 25℃; Resolution of racemate;
5,7,3',4'-tetra-O-benzylepicatechin
87292-49-7

5,7,3',4'-tetra-O-benzylepicatechin

(2R,3R)-2-(3,4-dihydroxyphenyl)-3,4-dihydro-1[2H]-benzopyran-3,5,7-triol
490-46-0

(2R,3R)-2-(3,4-dihydroxyphenyl)-3,4-dihydro-1[2H]-benzopyran-3,5,7-triol

Conditions
ConditionsYield
With 5% Pd(OH)2/C; hydrogen In tetrahydrofuran; methanol; water at 20℃; for 0.5h;69%
With hydrogen; palladium(II) hydroxide In ethyl acetate at 20℃; for 40h;
With hydrogen; palladium(II) hydroxide In ethyl acetate at 20℃; for 40h;0.010 mg
C50H42O6

C50H42O6

A

(2R,3R)-2-(3,4-dihydroxyphenyl)-3,4-dihydro-1[2H]-benzopyran-3,5,7-triol
490-46-0

(2R,3R)-2-(3,4-dihydroxyphenyl)-3,4-dihydro-1[2H]-benzopyran-3,5,7-triol

B

catechin
154-23-4

catechin

Conditions
ConditionsYield
With palladium 10% on activated carbon; hydrogen In methanol; ethyl acetate at 20 - 55℃;A 55%
B n/a

A

(-)-(2R,3R,4R)-3,4,5,7,3',4'-hexahydroxyflavan

(-)-(2R,3R,4R)-3,4,5,7,3',4'-hexahydroxyflavan

B

(2R,3R)-2-(3,4-dihydroxyphenyl)-3,4-dihydro-1[2H]-benzopyran-3,5,7-triol
490-46-0

(2R,3R)-2-(3,4-dihydroxyphenyl)-3,4-dihydro-1[2H]-benzopyran-3,5,7-triol

Conditions
ConditionsYield
With Diaporthe sp In methanol at 27℃; for 24h;A 53%
B 13%
procyanidin B1
20315-25-7

procyanidin B1

A

(2R,3R)-2-(3,4-dihydroxyphenyl)-3,4-dihydro-1[2H]-benzopyran-3,5,7-triol
490-46-0

(2R,3R)-2-(3,4-dihydroxyphenyl)-3,4-dihydro-1[2H]-benzopyran-3,5,7-triol

B

catechin
154-23-4

catechin

Conditions
ConditionsYield
With sodium cyanoborohydride In trifluoroacetic acid at 0℃; for 1h; Title compound not separated from byproducts;A 21%
B 20%
procyanidin B2
29106-49-8

procyanidin B2

(2R,3R)-2-(3,4-dihydroxyphenyl)-3,4-dihydro-1[2H]-benzopyran-3,5,7-triol
490-46-0

(2R,3R)-2-(3,4-dihydroxyphenyl)-3,4-dihydro-1[2H]-benzopyran-3,5,7-triol

Conditions
ConditionsYield
With hydrogenchloride for 0.5h; heating on a boiling water bath;
Multi-step reaction with 2 steps
1: ethanol / 1 h / boiling water bath
2: Raney nickel / ethanol / 2 h / Ambient temperature
View Scheme
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