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:65094-22-6
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryGood quality Good price Promptly delivery Appearance:White or off-white Solid Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:intermediate Transportation:Ac
Cas:65094-22-6
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:65094-22-6
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
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:65094-22-6
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiry1. 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
Cas:65094-22-6
Min.Order:1 Kilogram
FOB Price: $290.0 / 590.0
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:65094-22-6
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryDiethyl bromodifluoromethanephosphonate CAS: 65094-22-6 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
Cas:65094-22-6
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:65094-22-6
Min.Order:1 Kilogram
Negotiable
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
Appearance:off-white to white solid Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used for Synthesis API and Research Transportation:By Sea/Air/Courier Port:Qingdao
Cas:65094-22-6
Min.Order:1 Kilogram
FOB Price: $16.0 / 20.0
Type:Lab/Research institutions
inquiry1. Well-equipped, stable and high-quality raw material supply chain, to provide customers with the best quality products. 2.Strict quality inspection process and professional certificate testing to ensure the quality level of the final product. 3.E
Cas:65094-22-6
Min.Order:1 Kilogram
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:65094-22-6
Min.Order:0 Metric Ton
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:65094-22-6
Min.Order:0
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:65094-22-6
Min.Order:4 Kilogram
Negotiable
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:65094-22-6
Min.Order:0 Metric Ton
Negotiable
Type:Other
inquiryMassive Chemical is certified with ISO9001 and ISO14001 manufacturer for this product. We will offer all documents as requirement for the materials which includes, Certificate of Analysis, Material Safety Data Sheet, and Method of Analysis and
Cas:65094-22-6
Min.Order:1 Gram
FOB Price: $1.0
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:65094-22-6
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryBROMODIFLUOROMETHANE DIETHYL PHOSPHATE; BROMODIFLUOROMETHYL DIETHYLPHOSPHONATE; Diethyl bromodifluoromethanephosphonate; DIETHYL (BROMODIFLUOROMETHYL) PHOSPHONATE; Bromodifluoromethyl diethyl phosphonate~Diethyl bromodifluoromethanephosphonate; Bro
Cas:65094-22-6
Min.Order:100 Gram
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,
Cas:65094-22-6
Min.Order:1 Milligram
Negotiable
Type:Trading Company
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:65094-22-6
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:65094-22-6
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:65094-22-6
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:65094-22-6
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
Cas:65094-22-6
Min.Order:0
Negotiable
Type:Manufacturers
inquiryHigh 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:65094-22-6
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryGOLDEN 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
Cas:65094-22-6
Min.Order:1 Kilogram
Negotiable
Type:Other
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:65094-22-6
Min.Order:1 Metric Ton
FOB Price: $1.0
Type:Trading Company
inquiry1, High quality with competitive price:2, Fast and safe delivery3.Excellent pre-sales and after-sales service4. Well-trained and professional technologist and sales with rich experience in the field for 5-10 yearsAppearance:see detailed specification
Cas:65094-22-6
Min.Order:0
Negotiable
Type:Trading Company
inquiryStock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Cas:65094-22-6
Min.Order:0
Negotiable
Type:Lab/Research institutions
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:65094-22-6
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquirydibromodifluoromethane
triethyl phosphite
diethyl (bromodifluoromethyl)phosphonate
Conditions | Yield |
---|---|
In tetrahydrofuran at 60℃; for 0.5h; | 96% |
In diethyl ether for 24h; Heating; | 96% |
In diethyl ether for 20h; Heating / reflux; | 96% |
O,O-diethyl 1,1-difluoro-1-bromomethane phosphonothioate
diethyl (bromodifluoromethyl)phosphonate
Conditions | Yield |
---|---|
With perfluoro-cis-2-n-hexyl-3-n-pentyloxaziridine In various solvent(s) for 0.0833333h; Ambient temperature; further reagent; | 96% |
(bromodifluormethyl)triphenylphosphonium bromide
triethyl phosphite
diethyl (bromodifluoromethyl)phosphonate
Conditions | Yield |
---|---|
In dichloromethane for 0.166667h; Ambient temperature; | 92% |
(bromodifluormethyl)triphenylphosphonium bromide
triethyl phosphite
A
ethyl bromide
B
diethyl (bromodifluoromethyl)phosphonate
C
triphenylphosphine
Conditions | Yield |
---|---|
In dichloromethane for 0.166667h; Product distribution; Mechanism; Ambient temperature; | A n/a B 92% C 65% |
(bromodifluormethyl)triphenylphosphonium bromide
triethyl phosphite
A
diethyl (bromodifluoromethyl)phosphonate
B
triphenylphosphine
Conditions | Yield |
---|---|
In dichloromethane at 20℃; | A 67% B n/a |
Conditions | Yield |
---|---|
at 120℃; under 3811.31 Torr; for 240h; Michaelis-Arbuzov reaction; Autoclave; | 20% |
diethyl (bromodifluoromethyl)phosphonate
tert-butyl (E)-3-iodobut-2-enoate
tert-butyl (E)-3-(diethylphosphonodifluoromethyl)but-2-enoate
Conditions | Yield |
---|---|
Stage #1: diethyl (bromodifluoromethyl)phosphonate With zinc In N,N-dimethyl-formamide at 20℃; for 3h; Metallation; Stage #2: tert-butyl (E)-3-iodobut-2-enoate With copper(I) bromide In N,N-dimethyl-formamide at 20℃; for 3h; Alkylation; cross-coupling; Further stages.; | 99.4% |
diethyl (bromodifluoromethyl)phosphonate
Conditions | Yield |
---|---|
With potassium hydroxide In water; acetonitrile at -78 - 20℃; | 99% |
diethyl (bromodifluoromethyl)phosphonate
triethylamine
Conditions | Yield |
---|---|
With methanol; cesium fluoride In dichloromethane at 25℃; for 3h; Inert atmosphere; Sealed tube; chemoselective reaction; | 99% |
diethyl (bromodifluoromethyl)phosphonate
<(Ethinyl)(isopropyl)methyl>-p-toluolsulfonat
(1,1-difluoro-5-methyl-hexa-2,3-dienyl)-phosphonic acid diethyl ester
Conditions | Yield |
---|---|
Stage #1: diethyl (bromodifluoromethyl)phosphonate With copper(I) bromide; zinc In N,N-dimethyl-formamide Stage #2: <(Ethinyl)(isopropyl)methyl>-p-toluolsulfonat With copper(I) bromide In N,N-dimethyl-formamide at 20℃; for 12h; | 98% |
4-nitro-phenol
diethyl (bromodifluoromethyl)phosphonate
1-difluoromethoxy-4-nitrobenzene
Conditions | Yield |
---|---|
With potassium hydroxide In water; acetonitrile at -78 - 20℃; for 0.333333h; | 98% |
With potassium hydroxide In water; acetonitrile at 25℃; Cooling; |
diethyl (bromodifluoromethyl)phosphonate
Na+[O2P(OEt)CF2Br]-
Conditions | Yield |
---|---|
With sodium iodide In acetone for 3h; Reflux; | 98% |
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