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Product Name: VIOLANTHRONE-79 Synonyms: Anthra[9,1,2-cde]benzo[rst]pentaphene-5,10-dione,16,17-bis(octyloxy)-;16,17-Bis(n-octyloxy)anthra[9,1,2-cde]benzo[rst]pentaphene-5,10-dione;Violanthrone-79, 98%, CAS: 85652-5

China Biggest Factory & Manufacturer supply VIOLANTHRONE-79 CAS:85652-50-2

Cas:85652-50-2

Min.Order:1 Kilogram

FOB Price: $20.0 / 30.0

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Henan Tianfu Chemical Co., Ltd.

Our company was built in 2009 with an ISO certificate.In the past 5 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so o

TIANFU-CHEM - VIOLANTHRONE-79

Cas:85652-50-2

Min.Order:1 Kilogram

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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

Factory direct supply CAS 85652-50-2 with best quality

Cas:85652-50-2

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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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 according to the contract research and development services for the fine chemicals, ph

Violanthrone-79

Cas:85652-50-2

Min.Order:0

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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

Anthra[9,1,2-cde]benzo[rst]pentaphene-5,10-dione,16,17-bis(octyloxy)- 85652-50-2

Cas:85652-50-2

Min.Order:1 Kilogram

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Qingdao Beluga Import and Export Co., LTD

VIOLANTHRONE-79 CAS:85652-50-2 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 intermedi

VIOLANTHRONE-79 CAS:85652-50-2

Cas:85652-50-2

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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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

Anthra[9,1,2-cde]benzo[rst]pentaphene-5,10-dione,16,17-bis(octyloxy)-

Cas:85652-50-2

Min.Order:1 Kilogram

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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

Anthra[9,1,2-cde]benzo[rst]pentaphene-5,10-dione,16,17-bis(octyloxy)-

Cas:85652-50-2

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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

Violanthrone 79

Cas:85652-50-2

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

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Suzhou Health Chemicals Co., Ltd.

High quality,stable supply chain.Appearance:white/off-white or light yellow Storage:Store in cool and dry place, keep away from strong light and heat. Package:aluminum bottle,glass bottle,PTFE bottle,cardboard drum Application:This product can be use

Violanthrone 79

Cas:85652-50-2

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Kono Chem Co.,Ltd

high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou

Violanthrone-79

Cas:85652-50-2

Min.Order:0

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Hangzhou Dingyan Chem Co., Ltd

Hangzhou Dingyan Chem is a leading manufacturer and supplier of chemicals in China.We develop,produce and distribute high quality pharmaceuticals, intermediates, special chemicals and other fine chemicals. We could give you: 1.Best quality in your re

Violanthrone-79

Cas:85652-50-2

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Xian Changyue Biological Technology Co., Ltd.

best seller Application:API

VIOLANTHRONE-79

Cas:85652-50-2

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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

Anthra[9,1,2-cde]benzo[rst]pentaphene-5,10-dione,16,17-bis(octyloxy)-

Cas:85652-50-2

Min.Order:0

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Guangdong Juda Chemical Industrial Co.,Limited

Factory supply high purity low priceAppearance:solid or liquid Storage:sealed in cool and dry place Package:As customer's requested Application:Pharma Intermediate Transportation:by courier/air/sea Port:Any port in China

Violanthrone-79 CAS No.85652-50-2

Cas:85652-50-2

Min.Order:0

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HANGZHOU TIANYE CHEMICALS CO., LTD.

"HANGZHOU TIANYE CHEMICALS Co.LTD , Located in Eastern Science and Innovation Park Hangzhou .We are a high-tech enterprise specialized in technical research and development, production, development and trade of chemical products. We supply Multiple s

Violanthrone-79

Cas:85652-50-2

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DB BIOTECH CO., LTD

best seller Application:API

VIOLANTHRONE-79

Cas:85652-50-2

Min.Order:0

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BOC Sciences

We are committed to providing our customers with the best products and services at the most competitive prices.Appearance:clear liquid Storage:Room temperature with sealed well Package:according to the clients requirement Application:Use as primary a

VIOLANTHRONE-79

Cas:85652-50-2

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Hangzhou Fandachem Co.,Ltd

Violanthrone-79Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express

Violanthrone-79

Cas:85652-50-2

Min.Order:0

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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

VIOLANTHRONE-79

Cas:85652-50-2

Min.Order:0

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Shanghai Chinqesen Biotechnology Co., Ltd.

Good Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen

85652-50-2

Cas:85652-50-2

Min.Order:0

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Hebei Muhuang Technology Co., Ltd

best seller Application:API

VIOLANTHRONE-79

Cas:85652-50-2

Min.Order:0

Negotiable

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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

VIOLANTHRONE-79

Cas:85652-50-2

Min.Order:0

Negotiable

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LEAP CHEM Co., Ltd.

Best Seller, High Quality, Competitive Price, Fast Delivery, Quick ResponseAppearance:powder, or liquid Storage:Stored in room temperature, ventilated place Package:Bottle, barrel, cargo, container, etc. Application:Pharmaceuticals, intermediates, AP

VIOLANTHRONE-79

Cas:85652-50-2

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Amadis Chemical Co., Ltd.

1.Professional synthesis laboratory and production base. 2.Strong synthesis team and service team. 3.Professional data management system. 4.We provide the professional test date and product information ,ex. HNMR ,CNMR,FNMR, HPLC/G

Violanthrone 79

Cas:85652-50-2

Min.Order:10 Milligram

Negotiable

Type:Lab/Research institutions

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Changzhou Extraordinary Pharmatech co.,LTD

Changzhou Extraordinary Pharmatech co., LTD. As a leading chemical manufacturer and supplier in China.DAS authentication is passed.We can provide the popular precursor chemicals, we have our own strong R & D team, have our own laboratories and fa

Violanthrone 79

Cas:85652-50-2

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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Shaanxi Mingqi Chemical Co., Ltd

Known for its best quality and competitve price, this chemicals we offered is widely appreciated by our customers.Our advantages:1, High quality with competitive price:1) Standard:BP/USP/EP/Enterprise standard2) All Purity≥99%3) We are manufacturer a

Manufacturer Direct Sales Low Price Violanthrone-79

Cas:85652-50-2

Min.Order:0

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Jilin haofei import and export trade Co.,Ltd

Price, service, company and transport advantage: 1. Best service, place of origin China, high quality, and reasonable price. 2. It's customers' right to choose the package (EMS, DHL, FEDEX, UPS). 3. It's customers' right

- VIOLANTHRONE-79 CAS NO.85652-50-2

Cas:85652-50-2

Min.Order:0

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Type:Trading Company

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Changzhou Pesan Chemical Co.,Ltd

Strong R&D strength and team We have a R&D team with around 30 R&D personnel.All of our employees have chemical backgrounds and have worked in the chemical industry for many years.Our laboratory can synthesize target products with wei

VIOLANTHRONE-79

Cas:85652-50-2

Min.Order:0

Negotiable

Type:Other

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Hangzhou Share Chemical Co., Ltd

At Share Chemical Company, we scrupulously abide by our policy of “Excellent Quality at a Reasonable Price”. We strive to satisfy all of our customers by providing the finest quality products supported by the finest in customer servi

Violanthrone-79

Cas:85652-50-2

Min.Order:1 Gram

Negotiable

Type:Other

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Synthetic route

1-bromo-octane
111-83-1

1-bromo-octane

16,17-dihydroxyviolanthrene-5,10-dione
128-59-6

16,17-dihydroxyviolanthrene-5,10-dione

16,17-bis(octyloxy)-anthra[9,1,2-cde-]benzo[rst]pentaphene-5,10-dione
85652-50-2

16,17-bis(octyloxy)-anthra[9,1,2-cde-]benzo[rst]pentaphene-5,10-dione

Conditions
ConditionsYield
With 18-crown-6 ether; potassium carbonate In 1-methyl-pyrrolidin-2-one at 100℃; for 8h; Williamson Ether Synthesis;72%
Stage #1: 16,17-dihydroxyviolanthrene-5,10-dione With potassium carbonate In N,N-dimethyl-formamide at 120℃;
Stage #2: 1-bromo-octane In N,N-dimethyl-formamide at 120 - 130℃; for 11h;
12.5%
With potassium carbonate In N,N-dimethyl-formamide at 100℃; for 12h;
Jade Green XBN
128-58-5

Jade Green XBN

16,17-bis(octyloxy)-anthra[9,1,2-cde-]benzo[rst]pentaphene-5,10-dione
85652-50-2

16,17-bis(octyloxy)-anthra[9,1,2-cde-]benzo[rst]pentaphene-5,10-dione

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: dichloromethane / 1 h / 20 °C
1.2: 16 h / 20 °C / Reflux; Cooling with ice
2.1: potassium carbonate; 18-crown-6 ether / 1-methyl-pyrrolidin-2-one / 8 h / 100 °C
View Scheme
16,17-bis(octyloxy)-anthra[9,1,2-cde-]benzo[rst]pentaphene-5,10-dione
85652-50-2

16,17-bis(octyloxy)-anthra[9,1,2-cde-]benzo[rst]pentaphene-5,10-dione

malononitrile
109-77-3

malononitrile

C56H48N4O2
1070971-64-0

C56H48N4O2

Conditions
ConditionsYield
With acetic anhydride for 6h; Reflux;11.3%
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