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
Cas:39635-79-5
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryWelcome 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
Cas:39635-79-5
Min.Order:1 Kilogram
Negotiable
Type:Manufacturers
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:39635-79-5
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryHigh quality ,low price 4,4'-Sulphonylbis(2,6-dibromophenol) from Henan Tianfu Chemical: Henan Tianfu Chemical Co.,LTD was built in 2009 with an ISO certificate in the past 5 years, we have grown up as a famous fine chemicals supplier in ch
Cas:39635-79-5
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryOur advantages: 1. All inquiries will be replied within 12 hours. 2. Dedication to quality, supply & service. 3. Strictly on selecting raw materials. 4. Reasonable & competitive price, fast lead time. 5. Sample is available for your eva
Cas:39635-79-5
Min.Order:1 Kilogram
FOB Price: $9.0 / 99.0
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:39635-79-5
Min.Order:10 Gram
FOB Price: $146.0 / 176.0
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:39635-79-5
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
inquiry1.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
Cas:39635-79-5
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryPacking: According to customer requirements Delivery time: In stock or depands Port of shipment: Ningbo/Shanghai/Qingdao OEM/ODM:Welcome Sample:We can offer our existing samples at once Appearance:white powder/ Refer to COA Storage:Refer to COA
Cas:39635-79-5
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryAbout Product Details Items Specifications Test Results Appearance White to white crystalline powde
Cas:39635-79-5
Min.Order:100 Kilogram
FOB Price: $1.0 / 2.0
Type:Lab/Research institutions
inquiryHenan 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:39635-79-5
Min.Order:0
Negotiable
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:39635-79-5
Min.Order:0 Metric Ton
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Type:Lab/Research institutions
inquiryThe 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
Cas:39635-79-5
Min.Order:0 Metric Ton
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Type:Other
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:39635-79-5
Min.Order:0
Negotiable
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:39635-79-5
Min.Order:100 Gram
FOB Price: $100.0 / 2000.0
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,
Cas:39635-79-5
Min.Order:1 Milligram
Negotiable
Type:Trading Company
inquiryProduct Name: 4,4'-Sulphonylbis(2,6-dibromophenol) Synonyms: 4,4'-sulphonylbis(2,6-dibromophenol);4,4''-SULFONYLBIS[2,6-DIBROMO-PHENO,95%;3,3',5,5'-Tetrabromo-4,4'-dihydroxydiphenylsulfone;4,4'-Sulphonylbis(2,6-d
Cas:39635-79-5
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryfactory?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:39635-79-5
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
Type:Trading Company
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:39635-79-5
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:39635-79-5
Min.Order:1 Metric Ton
FOB Price: $1.5
Type:Trading Company
inquiryAppearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
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
Cas:39635-79-5
Min.Order:0
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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:39635-79-5
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
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
Shanghai Lonwin Chemical company is a subsidiary of Lonwin Industry Group Limited, was established in 2011 and is headquartered in Shanghai, adjacent to China National Convention and Exhibition Center and Hongqiao transportation hub.Lonwinchem is
Cas:39635-79-5
Min.Order:100 Kilogram
FOB Price: $100.0 / 150.0
Type:Other
inquiry1.High quality : the purity is 99% min . through multiple producing procedures. 2.Competitive price : low price because of our skilled production technolpgy ,save the production cost at most , and give big profit room to our customers588.Safe and fa
Cas:39635-79-5
Min.Order:0
Negotiable
Type:Trading Company
inquiryhigh quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea
Cas:39635-79-5
Min.Order:0
Negotiable
Type:Manufacturers
inquiryOur clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS
TAIHO Unique Advantages:1.We're factory2.Free samples available3.Commodity inspection can be done4.ISO9001,Kosher certifications5.10 years experiences Storage:Store in cool &dry place Package:aluminium foil bag/fiber can/plastic drum Application:comp
Cas:39635-79-5
Min.Order:0
Negotiable
Type:Manufacturers
inquiry4,4'-sulfonediphenol
2,2-bis(3,5-dibromo-4-hydroxyphenyl)sulfone
Conditions | Yield |
---|---|
With dihydrogen peroxide; bromine In dichloromethane; 2-methyl-propan-1-ol; water at 25 - 37℃; for 7.58333h; Temperature; | 99.5% |
With bromine; acetic acid at 85℃; for 2h; | 72% |
With bromine; iron Bromination; | 45.7% |
With bromine; acetic acid at 85℃; | |
With bromine |
2,2-bis(3,5-dibromo-4-hydroxyphenyl)sulfone
1-bromo-3-propanol
Conditions | Yield |
---|---|
With sodium hydroxide In water; acetone at 20℃; | 65% |
2,2-bis(3,5-dibromo-4-hydroxyphenyl)sulfone
allyl bromide
4-((4-(allyloxy)-3,5-dibromophenyl)sulfonyl)-2,6-dibromophenol
Conditions | Yield |
---|---|
With sodium hydroxide In water; acetone at 20℃; for 3h; | 64% |
2,2-bis(3,5-dibromo-4-hydroxyphenyl)sulfone
2-bromoethanol
Conditions | Yield |
---|---|
With sodium hydroxide In water; acetone at 20℃; | 56% |
2,2-bis(3,5-dibromo-4-hydroxyphenyl)sulfone
allyl bromide
TBBP-S-dially ether
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide Alkylation; Heating; | 54% |
2,2-bis(3,5-dibromo-4-hydroxyphenyl)sulfone
chloroacetic acid
Conditions | Yield |
---|---|
With sodium hydroxide for 4h; Heating; |
2,2-bis(3,5-dibromo-4-hydroxyphenyl)sulfone
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 54 percent / K2CO3 / dimethylformamide / Heating 2: 97 percent / bromine / CCl4; CH2Cl2 / 0 °C View Scheme |
2,2-bis(3,5-dibromo-4-hydroxyphenyl)sulfone
3-chloroprop-1-ene
TBBP-S-dially ether
Conditions | Yield |
---|---|
With hydrogenchloride; sodium hydroxide; sodium bromide In water | |
With cetyltrimethylammonim bromide; sodium bromide; sodium hydroxide In 2-methyl-propan-1-ol; water at 65℃; for 9h; Temperature; |
piperazine
methanol
2,2-bis(3,5-dibromo-4-hydroxyphenyl)sulfone
A
C4H10N2*C12H6Br4O4S
B
C9H20N4*C12H6Br4O4S
Conditions | Yield |
---|---|
at 130℃; for 72h; |
piperazine
2,2-bis(3,5-dibromo-4-hydroxyphenyl)sulfone
C4H10N2*C12H6Br4O4S
Conditions | Yield |
---|---|
In methanol Grinding/kneading; |
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