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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

1,4-Naphthalenedione,2-ethyl-3,5,6,7,8-pentahydroxy- 517-82-8

Cas:517-82-8

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Qingdao Beluga Import and Export Co., LTD

echinochrome A CAS:517-82-8 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

echinochrome A CAS:517-82-8

Cas:517-82-8

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

1,4-Naphthalenedione,2-ethyl-3,5,6,7,8-pentahydroxy-

Cas:517-82-8

Min.Order:1 Kilogram

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

1,4-Naphthalenedione,2-ethyl-3,5,6,7,8-pentahydroxy-

Cas:517-82-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Keyingchem Co.,Ltd

Hangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det

echinochrome A

Cas:517-82-8

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Zibo Hangyu Biotechnology Development Co., Ltd

Zibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi

1,4-Naphthalenedione,2-ethyl-3,5,6,7,8-pentahydroxy-

Cas:517-82-8

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

Jiangsu Qianyu Molecular Technology Co., LTD.

Our Advantages A. International Top level TechnologyOur company owned biomedicine experts are famous at home and abroad with rich experience in research and development in the field of efficient chiral functional molecules research and development an

Best Offerechinochrome A

Cas:517-82-8

Min.Order:0

Negotiable

Type:Trading Company

inquiry

EAST CHEMSOURCES LIMITED

factory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B

Echinochrome A

Cas:517-82-8

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

Type:Trading Company

inquiry

TAIZHOU ZHENYU BIOTECHNOLOGY CO., LTD

Zhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice. pls contact with us freely for getting detailed

echinochrome A

Cas:517-82-8

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Lab/Research institutions

inquiry

Shandong Mopai Biotechnology Co., LTD

Shandong Mopai Biotechnology Co., LTD is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemicals. W

Echinochrome A

Cas:517-82-8

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

KAISA GROUP INC

1.Applied in food field.it can improve the immune system and prolong life. 2.Appliedin cosmetic field.it can improve the skin care. 3.Applied in pharmaceutical field.it can treat various dieases. 4.Our product quality assurance will make our customer

Echinochrome A

Cas:517-82-8

Min.Order:1 Metric Ton

FOB Price: $1.5

Type:Trading Company

inquiry

Golden Pharma Co., Limited

GOLDEN PHARMA CO.,LIMITED.is a professional pharmaceutical company,our team have more than 20years expereince in pharmaceutical production and sales. we are a professional technical enterprise specializing in the R & D, production,QA regulation

echinochrome A

Cas:517-82-8

Min.Order:1 Kilogram

Negotiable

Type:Other

inquiry

Bluecrystal chem-union

We are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp

Echinochrome A

Cas:517-82-8

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Trading Company

inquiry

Hangzhou J&H Chemical Co., Ltd.

J&H CHEM is one of China's leading providers of integrated fine chemical services including offering, research and development, Custom manufacturing business, as well as other Value-added customer services, for diversified range products of chemicals

echinochrome A

Cas:517-82-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Henan Tianfu Chemical Co., Ltd.

1.Our services:A.Supply sampleB.The packing also can be according the customers` requirmentC.Any inquiries will be replied within 24 hoursD.we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate.

1,4-Naphthalenedione,2-ethyl-3,5,6,7,8-pentahydroxy-

Cas:517-82-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Xian Changyue Biological Technology Co., Ltd.

best seller Application:API

echinochrome A

Cas:517-82-8

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Wuhan Circle Star Chem-medical 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 substances, is 95%.3,our staff consists of highly qualified in

echinochrome A

Cas:517-82-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Antimex Chemical Limied

Ansciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali

1,4-Naphthalenedione,2-ethyl-3,5,6,7,8-pentahydroxy-

Cas:517-82-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hubei Langyou International Trading Co., Ltd

Echinochrome A Application:Echinochrome A

Echinochrome A

Cas:517-82-8

Min.Order:0

Negotiable

Type:Other

inquiry

DB BIOTECH CO., LTD

best seller Application:API

echinochrome A

Cas:517-82-8

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Henan Kanbei Chemical Co.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

echinochrome A

Cas:517-82-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Quanhe Biotechnology Co. LTD

1. Timely and efficient service to ensure communication with customers2. Produce products of different specifications and sizes according to your requirements.3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures sta

echinochrome A

Cas:517-82-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Taixing Hehao Chemical Materials Co.,Ltd

hight degree of purityAppearance:COA mentioned Storage:COA mentioned Package:Standard or custom package Application:hight degree of purity Transportation:Express/Sea/Air Port:Any port in China

echinochrome A

Cas:517-82-8

Min.Order:0

Negotiable

Type:Other

inquiry

Hunan Longxianng Runhui Trading Co.,Ltd

Echinochrome AAppearance:Acicular crystal Application:Pharmaceutical intermediates Transportation:By express (Door to door) such as FEDEX, DHL, EMS for small amount. By air(airport to airport) or by sea LCL/FCL for large amount.

Echinochrome A

Cas:517-82-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Muhuang Technology Co., Ltd

best seller Application:API

echinochrome A

Cas:517-82-8

Min.Order:0

Negotiable

Type:Trading Company

inquiry

ZHEJIANG JIUZHOU CHEM CO.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

echinochrome A

Cas:517-82-8

Min.Order:0

Negotiable

Type:Trading Company

inquiry

HuBei Ipure Biotech CO.,ltd

HuBei ipure is a diversified product production and operation enterprise, with API, pharma intermediates, and other fine chemicals as well as R&D and pigments development and sales as one of the large enterprises, with more than 130 acres of pl

1,4-Naphthalenedione,2-ethyl-3,5,6,7,8-pentahydroxy- Cas No: 517-82-8

Cas:517-82-8

Min.Order:1 Gram

FOB Price: $1.0

Type:Trading Company

inquiry

Shanghai united Scientific Co.,Ltd.

United Scientific Company Located in Shanghai of China , is a competitive player in the global specialty and fine chemical market. Fenghua has both the expertise and flexibility to produce a wide range of chemicals. Focusing on developing the innovat

1,4-Naphthalenedione,2-ethyl-3,5,6,7,8-pentahydroxy-

Cas:517-82-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Chungking Joyinchem Co., Ltd.

Joyinchem have been committed to chemical supply for several years and have built good cooperation records with multinational chemical corporations and importers from all over the world. Our services include:-Spot goods-Contract manufacturing-Custom

1,4-Naphthalenedione,2-ethyl-3,5,6,7,8-pentahydroxy-

Cas:517-82-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hubei Jusheng Technology Co., Ltd.,

1,Best Quality: Our products have exported to Germany, Spain, UK, USA, Australia, Middle East, and so on other countries, and we have got very good feedback from our customers.so

Echinochrome A

Cas:517-82-8

Min.Order:10 Gram

FOB Price: $1.0 / 2.0

Type:Trading Company

inquiry

Synthetic route

2-ethyl-5,8-dihydroxy-3,6,7-trimethoxy-[1,4]naphthoquinone
133039-72-2

2-ethyl-5,8-dihydroxy-3,6,7-trimethoxy-[1,4]naphthoquinone

echinochrome A
517-82-8

echinochrome A

Conditions
ConditionsYield
With aluminium trichloride In nitrobenzene at 80℃; for 4h;91%
3-ethyl-3-hydroxy-6,7-diisopropoxy-5,8-dimethoxy-1,4-naphthoquinone
409318-60-1

3-ethyl-3-hydroxy-6,7-diisopropoxy-5,8-dimethoxy-1,4-naphthoquinone

echinochrome A
517-82-8

echinochrome A

Conditions
ConditionsYield
With boron tribromide In dichloromethane at -78 - 25℃;41%
3-ethyl-1,2,4-trimethoxybenzene
99861-25-3

3-ethyl-1,2,4-trimethoxybenzene

dibenzoyloxy-maleic acid-anhydride

dibenzoyloxy-maleic acid-anhydride

echinochrome A
517-82-8

echinochrome A

Conditions
ConditionsYield
at 180℃; in einer AlCl3-NaCl-Schmelze;
1,4-dimethoxy-2,3-diisopropoxybenzene
409318-58-7

1,4-dimethoxy-2,3-diisopropoxybenzene

echinochrome A
517-82-8

echinochrome A

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: 59 percent / s-BuLi; TMEDA / tetrahydrofuran / 2 h / -78 °C
2: 0.33 h / 150 °C
3: CAN / diethyl ether; H2O
4: 0.35 g / air / 7 h
5: 41 percent / BBr3 / CH2Cl2 / -78 - 25 °C
View Scheme
2-ethyl-3-isopropoxy-4-hydroxy-4-(2',5'-dimethoxy-3',4'-diisopropoxyphenyl)-2-cyclobuten-2-one
409318-57-6

2-ethyl-3-isopropoxy-4-hydroxy-4-(2',5'-dimethoxy-3',4'-diisopropoxyphenyl)-2-cyclobuten-2-one

echinochrome A
517-82-8

echinochrome A

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 0.33 h / 150 °C
2: CAN / diethyl ether; H2O
3: 0.35 g / air / 7 h
4: 41 percent / BBr3 / CH2Cl2 / -78 - 25 °C
View Scheme
2-ethyl-3,6,7-triisopropoxy-5,8-dimethoxy-[1,4]naphthoquinone
944549-64-8

2-ethyl-3,6,7-triisopropoxy-5,8-dimethoxy-[1,4]naphthoquinone

echinochrome A
517-82-8

echinochrome A

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 0.35 g / air / 7 h
2: 41 percent / BBr3 / CH2Cl2 / -78 - 25 °C
View Scheme
2-ethyl-3,6,7-triisopropoxy-5,8-dimethoxy-naphthalene-1,4-diol
1027560-79-7

2-ethyl-3,6,7-triisopropoxy-5,8-dimethoxy-naphthalene-1,4-diol

echinochrome A
517-82-8

echinochrome A

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: CAN / diethyl ether; H2O
2: 0.35 g / air / 7 h
3: 41 percent / BBr3 / CH2Cl2 / -78 - 25 °C
View Scheme
2,3-dichloro-5,8-dihydroxy-[1,4]naphthoquinone
14918-69-5

2,3-dichloro-5,8-dihydroxy-[1,4]naphthoquinone

echinochrome A
517-82-8

echinochrome A

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: 66 percent / MnO2, conc. H2SO4 / 2 h / Ambient temperature
2: 40 percent / 2-methyl-propan-2-ol / Heating
3: 81 percent / 3 h / Heating
4: 74 percent / CsF, Al2O3 / 8 h / 90 - 95 °C
5: 91 percent / AlCl3 / nitrobenzene / 4 h / 80 °C
View Scheme
3-ethyl-1,2,4-trimethoxybenzene
99861-25-3

3-ethyl-1,2,4-trimethoxybenzene

echinochrome A
517-82-8

echinochrome A

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 61 percent / AlCl3, NaCl / 0.08 h / 190 °C
2: 81 percent / 3 h / Heating
3: 74 percent / CsF, Al2O3 / 8 h / 90 - 95 °C
4: 91 percent / AlCl3 / nitrobenzene / 4 h / 80 °C
View Scheme
2,5,8-trihydroxy-6,7-dichloro-1,4-naphthoquinone
158526-26-2

2,5,8-trihydroxy-6,7-dichloro-1,4-naphthoquinone

echinochrome A
517-82-8

echinochrome A

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 40 percent / 2-methyl-propan-2-ol / Heating
2: 81 percent / 3 h / Heating
3: 74 percent / CsF, Al2O3 / 8 h / 90 - 95 °C
4: 91 percent / AlCl3 / nitrobenzene / 4 h / 80 °C
View Scheme
2,5,8-trihydroxy-6,7-dichloro-3-ethyl-1,4-naphthoquinone
187149-22-0

2,5,8-trihydroxy-6,7-dichloro-3-ethyl-1,4-naphthoquinone

echinochrome A
517-82-8

echinochrome A

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 81 percent / 3 h / Heating
2: 74 percent / CsF, Al2O3 / 8 h / 90 - 95 °C
3: 91 percent / AlCl3 / nitrobenzene / 4 h / 80 °C
View Scheme
6,7-dichloro-2-ethoxy-3-ethyl-5,8-dihydroxy-1,4-naphthoquinone
187149-23-1

6,7-dichloro-2-ethoxy-3-ethyl-5,8-dihydroxy-1,4-naphthoquinone

echinochrome A
517-82-8

echinochrome A

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 74 percent / CsF, Al2O3 / 8 h / 90 - 95 °C
2: 91 percent / AlCl3 / nitrobenzene / 4 h / 80 °C
View Scheme
methanol
67-56-1

methanol

C12H7Cl3O4
888019-56-5

C12H7Cl3O4

A

6-hydroxy-2,7-dichloro-3-ethylnaphthazarin
1093132-36-5

6-hydroxy-2,7-dichloro-3-ethylnaphthazarin

B

7-hydroxy-2,6-dichloro-3-ethylnaphthazarin
1093132-35-4

7-hydroxy-2,6-dichloro-3-ethylnaphthazarin

C

echinochrome A
517-82-8

echinochrome A

Conditions
ConditionsYield
Stage #1: methanol; C12H7Cl3O4 With aluminum oxide; cesium fluoride
Stage #2: Acidic conditions;
2-ethyl-5,8-dihydroxy-3,6,7-trimethoxy-[1,4]naphthoquinone
133039-72-2

2-ethyl-5,8-dihydroxy-3,6,7-trimethoxy-[1,4]naphthoquinone

A

echinochrome A
517-82-8

echinochrome A

B

2,5,8-trihydroxy-6,7-dimethoxy-3-ethyl-1,4-naphthaquinone
14990-99-9

2,5,8-trihydroxy-6,7-dimethoxy-3-ethyl-1,4-naphthaquinone

C

2,6-dihydroxy-7-methoxy-3-ethylnaphthazarin

2,6-dihydroxy-7-methoxy-3-ethylnaphthazarin

D

2,7-dihydroxy-6-methoxy-3-ethylnaphthazarin

2,7-dihydroxy-6-methoxy-3-ethylnaphthazarin

Conditions
ConditionsYield
Acidic conditions;
echinochrome A
517-82-8

echinochrome A

2-bromo-3,5,6,7,8-pentahydroxy-1,4-naphthoquinone

2-bromo-3,5,6,7,8-pentahydroxy-1,4-naphthoquinone

Conditions
ConditionsYield
With bromine In tetrachloromethane at 20℃; for 48h; Irradiation;65%
echinochrome A
517-82-8

echinochrome A

2,5,8-trihydroxy-6,7-dimethoxy-3-ethyl-1,4-naphthaquinone
14990-99-9

2,5,8-trihydroxy-6,7-dimethoxy-3-ethyl-1,4-naphthaquinone

Conditions
ConditionsYield
With diethyl ether
echinochrome A
517-82-8

echinochrome A

2,6-dihydroxy-7-methoxy-3-ethylnaphthazarin

2,6-dihydroxy-7-methoxy-3-ethylnaphthazarin

Conditions
ConditionsYield
With diethyl ether
echinochrome A
517-82-8

echinochrome A

orthoformic acid triethyl ester
122-51-0

orthoformic acid triethyl ester

2,5,6-triethoxy-3-ethyl-5,8-dihydroxy-1,4-naphthoquinone

2,5,6-triethoxy-3-ethyl-5,8-dihydroxy-1,4-naphthoquinone

Conditions
ConditionsYield
Heating;
diethyl ether
60-29-7

diethyl ether

echinochrome A
517-82-8

echinochrome A

2(or 6)-ethyl-5,8-dihydroxy-3,6,7(or 2,3,7)-trimethoxy-<1,4>naphthoquinone

2(or 6)-ethyl-5,8-dihydroxy-3,6,7(or 2,3,7)-trimethoxy-<1,4>naphthoquinone

diethyl ether
60-29-7

diethyl ether

echinochrome A
517-82-8

echinochrome A

3.5.7.(or 6).8-tetrahydroxy-6(or 7)-methoxy-2-ethyl-naphthoquinone-(1.4)

3.5.7.(or 6).8-tetrahydroxy-6(or 7)-methoxy-2-ethyl-naphthoquinone-(1.4)

diethyl ether
60-29-7

diethyl ether

echinochrome A
517-82-8

echinochrome A

3.5.8-trihydroxy-6.7-dimethoxy-2-ethyl-naphthoquinone-(1.4)

3.5.8-trihydroxy-6.7-dimethoxy-2-ethyl-naphthoquinone-(1.4)

echinochrome A
517-82-8

echinochrome A

water
7732-18-5

water

5.7.8-trihydroxy-1.2.3.4-tetraoxo-6-ethyl-tetralin

5.7.8-trihydroxy-1.2.3.4-tetraoxo-6-ethyl-tetralin

Conditions
ConditionsYield
beim Behandeln mit neutralisierter wss.NaOCl-Loesung;
diethyl ether
60-29-7

diethyl ether

echinochrome A
517-82-8

echinochrome A

Ag2O

Ag2O

5.7.8-trihydroxy-1.2.3.4-tetraoxo-6-ethyl-tetralin

5.7.8-trihydroxy-1.2.3.4-tetraoxo-6-ethyl-tetralin

diethyl ether
60-29-7

diethyl ether

echinochrome A
517-82-8

echinochrome A

PbO2

PbO2

5.7.8-trihydroxy-1.2.3.4-tetraoxo-6-ethyl-tetralin

5.7.8-trihydroxy-1.2.3.4-tetraoxo-6-ethyl-tetralin

echinochrome A
517-82-8

echinochrome A

2-amino-3,5,6,7,8-pentahydroxy-1,4-naphthoquinone

2-amino-3,5,6,7,8-pentahydroxy-1,4-naphthoquinone

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: bromine / tetrachloromethane / 48 h / 20 °C / Irradiation
2: diethyl ether / 20 °C
3: sodium azide / dimethyl sulfoxide / 3 h / 65 °C
4: water / Acidic conditions
5: hydrogen bromide / water / 3 h / 100 °C
View Scheme
echinochrome A
517-82-8

echinochrome A

2-amino-5,8-dihydroxy-3,6,7-trimethoxy-1,4-naphthoquinone

2-amino-5,8-dihydroxy-3,6,7-trimethoxy-1,4-naphthoquinone

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: bromine / tetrachloromethane / 48 h / 20 °C / Irradiation
2: diethyl ether / 20 °C
3: sodium azide / dimethyl sulfoxide / 3 h / 65 °C
4: water / Acidic conditions
View Scheme
echinochrome A
517-82-8

echinochrome A

C13H11N3O7

C13H11N3O7

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: bromine / tetrachloromethane / 48 h / 20 °C / Irradiation
2: diethyl ether / 20 °C
3: sodium azide / dimethyl sulfoxide / 3 h / 65 °C
View Scheme
echinochrome A
517-82-8

echinochrome A

2-bromo-3,6,7-trimethoxynaphthazarin

2-bromo-3,6,7-trimethoxynaphthazarin

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: bromine / tetrachloromethane / 48 h / 20 °C / Irradiation
2: diethyl ether / 20 °C
View Scheme

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