Dayangchem's R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. DayangChem can provide different quantities
Cas:128-59-6
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryOur 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
Cas:128-59-6
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryProduct Name: DIHYDROXYDIBENZANTHRONE Synonyms: 16 17-DIHYDROXYDIBENZANTHRONE;16,17-DIHYDROXYVIOLANTHRONE;DIHYDROXYVIOLANTHRONE;DIHYDROXYDIBENZANTHRONE;16,17-dihydroxyviolanthrene-5,10-dione;16,17-Dihydroxybenzanthrone;16,17-D
Cas:128-59-6
Min.Order:1 Kilogram
FOB Price: $20.0 / 30.0
Type:Lab/Research institutions
inquiryOur 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 on.O
Cas:128-59-6
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryOur Advantage Rich Experience Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term. Quality service Company cooperates with research institutes. We strictly con
Cas:128-59-6
Min.Order:1 Kilogram
FOB Price: $1.0 / 10.0
Type:Trading Company
inquiryWITH 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
Cas:128-59-6
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiryOur Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We
Cas:128-59-6
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
inquiryAdvantages: Hubei XinRunde Chemical Co., Ltd is a renowned pharmaceutical manufacturer. We can offer high quality products at competitive price in quick delivery with 100% custom pass guaranteed. Never stop striving to offer our best serv
Cas:128-59-6
Min.Order:10 Gram
Negotiable
Type:Other
inquiryAppearance:Dark green to black powder Storage:R.T Package:25kg/drum Application:Chemicals Transportation:Express/Sea/Air Port:Any port in China
Cas:128-59-6
Min.Order:1 Kilogram
FOB Price: $1.0
Type:Lab/Research institutions
inquiry1.In No Less 10 years exporting experience. you 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 Specializ
Cas:128-59-6
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryDIHYDROXYDIBENZANTHRONE CAS:128-59-6 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 int
Cas:128-59-6
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryHello, 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
Cas:128-59-6
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures s
Cas:128-59-6
Min.Order:1 Kilogram
FOB Price: $40.0 / 50.0
Type:Lab/Research institutions
inquiryHangzhou 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
Cas:128-59-6
Min.Order:0 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryA substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc
Cas:128-59-6
Min.Order:4 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryJ&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia
Cas:128-59-6
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryZibo 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
Cas:128-59-6
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryWe are one of a few suppliers that can offer custom synthesis service of this product We are specialized in custom synthesis, chemical/pharmaceutical/ pesticides outsourcing and contract research. We are committed to prov
Cas:128-59-6
Min.Order:100 Gram
FOB Price: $100.0 / 2000.0
Type:Lab/Research institutions
inquirySuperior quality, moderate price & quick delivery. Appearance:white powder Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:25kg/drum, or as per your request. Application:Used as Pharmaceutical Intermediate
Cas:128-59-6
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryProduct name: 16,17-Dihydroxyviolanthrene-5,10-Dione CAS No.:128-59-6 Molecule Formula:C34H16O4 Molecule Weight:488.48 Purity: 99.0% Package: 25kg/drum Description:White powder Manufacture Standards:Enterprise Standard TESTING IT
Cas:128-59-6
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryGMP standard, high purity, competitive price, in stock 1. Quick Response: within 6 hours after receiving your email. 2. Quality Guarantee: All products are strictly tested by our QC, confirmed by QA, and approved by a third-party lab in China, USA,
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
Cas:128-59-6
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
Type:Trading Company
inquiryZhenyu 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
Cas:128-59-6
Min.Order:1 Kilogram
FOB Price: $2.0
Type:Lab/Research institutions
inquiryShandong 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
Cas:128-59-6
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiry1.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
Cas:128-59-6
Min.Order:1 Metric Ton
FOB Price: $1.5
Type:Trading Company
inquiryLocated in Hangzhou National Hi-Tech Industrial Development Zone, zhongqichem is a technical company mainly focus on the Custom synthesis, manufacturing, sales of chemicals to various industries. Benefiting from the outstanding customer service an
ProName: 16,17-Dihydroxyviolanthrene-5,10-dione... CasNo: 128-59-6 Molecular Formula: C34H16O4 Appearance: dark green to blue powder Application: It is an important raw material and in... DeliveryTime: prompt PackAge: according to the clients
Cas:128-59-6
Min.Order:1 Kilogram
FOB Price: $1.0
Type:Lab/Research institutions
inquiryWe 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
Cas:128-59-6
Min.Order:1 Metric Ton
FOB Price: $1.0
Type:Trading Company
inquiryLower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe
Cas:128-59-6
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryhigh qualityAppearance:white crystalline powder Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea
Conditions | Yield |
---|---|
With manganese(IV) oxide; sulfuric acid Verschmelzen des Reaktionsprodukts mit Alkalihydroxyd; |
Conditions | Yield |
---|---|
With manganese(IV) oxide; sulfuric acid |
Conditions | Yield |
---|---|
With sodium hydroxide; zinc anschlissenden Behandeln mit H2S; | |
With sodium hydroxide; zinc anschlissenden Behandeln mit Luft bei 90grad; | |
With sodium hydroxide; alkaline aqueous Na2S2O4 anschlissenden Behandeln mit Luft bei 90grad; |
Conditions | Yield |
---|---|
Stage #1: Jade Green XBN In dichloromethane at 20℃; for 1h; Stage #2: With boron tribromide In dichloromethane at 20℃; for 16h; Reflux; Cooling with ice; |
Conditions | Yield |
---|---|
With 18-crown-6 ether; potassium carbonate In N,N-dimethyl-formamide at 80℃; for 5h; Williamson Ether Synthesis; | 74% |
1-bromo-octane
16,17-dihydroxyviolanthrene-5,10-dione
16,17-bis(octyloxy)-anthra[9,1,2-cde-]benzo[rst]pentaphene-5,10-dione
Conditions | Yield |
---|---|
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; |
Conditions | Yield |
---|---|
With 18-crown-6 ether; potassium carbonate In dimethyl sulfoxide at 100℃; for 5h; Williamson Ether Synthesis; | 69% |
16,17-dihydroxyviolanthrene-5,10-dione
benzoyl chloride
Leuco-16,17-dihydroxy-violanthron-tetrabenzoat
Conditions | Yield |
---|---|
With pyridine; zinc |
1-bromo-hexane
16,17-dihydroxyviolanthrene-5,10-dione
16,17-bis(hexyloxy)-anthra[9,1,2-cde-]benzo[rst]pentaphene-5,10-dione
Conditions | Yield |
---|---|
With potassium carbonate | |
With potassium carbonate In N,N-dimethyl-formamide at 100℃; for 12h; | |
With 18-crown-6 ether; potassium carbonate In N,N-dimethyl-formamide at 80℃; for 12h; Williamson Ether Synthesis; |
2-ethylhexyl bromide
16,17-dihydroxyviolanthrene-5,10-dione
16,17-bis(2-ethylhexyloxy)-anthra[9,1,2-cde-]benzo[rst]pentaphene-5,10-dione
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 100℃; for 12h; |
About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia
Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog
©2008 LookChem.com,License: ICP
NO.:Zhejiang16009103
complaints:service@lookchem.com Desktop View