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:1947-58-6
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryWith our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufacturin
Cas:1947-58-6
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:1947-58-6
Min.Order:10 Gram
FOB Price: $146.0 / 176.0
Type:Trading Company
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:1947-58-6
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:1947-58-6
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
Cas:1947-58-6
Min.Order:0
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:1947-58-6
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryFactory 1947-58-6 high quality 2,3-Dibromo-1,4-butanediol good supplier Molecular Formula C4H8Br2O2 Molar Mass 247.91 Density 2.124±0.06 g/cm3(Predicted) Melting Point 88-90 °C (lit.)
Cas:1947-58-6
Min.Order:1 Gram
Negotiable
Type:Other
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:1947-58-6
Min.Order:1 Kilogram
FOB Price: $2.0
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:1947-58-6
Min.Order:1 Metric Ton
FOB Price: $7.0 / 8.0
Type:Trading Company
inquiryStock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Cas:1947-58-6
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:1947-58-6
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryR & D enterprises have their own stock in stock Package:1kg Application:pharmaceutical intermediates
Cas:1947-58-6
Min.Order:0
Negotiable
Type:Manufacturers
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
high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:Beijing or Guangzhou
Cas:1947-58-6
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry1.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.
Cas:1947-58-6
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryAnsciep 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
Cas:1947-58-6
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry★.Best quality according to requirement ★.Competitive price in China market ★.Mature Technical support ★.Professional logistic support
Cas:1947-58-6
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryAppearance: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
Cas:1947-58-6
Min.Order:0
Negotiable
Type:Trading Company
inquirySupply top quality products with a reasonable price Application:api
2,3-Dibromo-1,4-butanediolAppearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:pharmaceutical intermediate Transportation:by air, by sea, by express
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Cas:1947-58-6
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryCas:1947-58-6
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry1. 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
Cas:1947-58-6
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquirybulk?production Application:Pharmaceutical intermediates
Cas:1947-58-6
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryfactory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
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
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
Cas:1947-58-6
Min.Order:10 Milligram
Negotiable
Type:Lab/Research institutions
inquiryHENAN SUNLAKE ENTERPRISE CORPORATION Our company advantages: 1、The highest quality with the competitive price. 2、Professional human services. 3、The fastest and safest delivery service. 4、The faster and safest delivery service. 5、The hig
Cas:1947-58-6
Min.Order:1 Metric Ton
Negotiable
Type:Trading Company
inquiryPrice, 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
Conditions | Yield |
---|---|
With 1,1'-(ethane-1,2-diyl)dipyridinium bistribromide at 20℃; for 0.416667h; | 91% |
With diethyl ether; bromine | |
With dichloromethane; bromine | |
With hydrogen bromide; bromine | |
With bromine In dichloromethane Irradiation; |
dl-2,3-dibromo-1,4-butanediol
Conditions | Yield |
---|---|
With sodium benzenesulfonate In N,N-dimethyl-formamide at 60℃; for 3h; | 90% |
dl-2,3-dibromo-1,4-butanediol
Conditions | Yield |
---|---|
With hydrogenchloride; methanol |
Conditions | Yield |
---|---|
With hydrogen cation | 100% |
dl-2,3-dibromo-1,4-butanediol
sodium thiophenolate
racem.-2,3-bis-phenylsulfanyl-butane-1,4-diol
dl-2,3-dibromo-1,4-butanediol
racem.-2,3-dibromo-1,4-bis-nitryloxy-butane
Conditions | Yield |
---|---|
With sulfuric acid; nitric acid at -20℃; |
Conditions | Yield |
---|---|
With potassium hydroxide |
succinic acid anhydride
dl-2,3-dibromo-1,4-butanediol
succinic acid 1,1'-((RS,RS)-2,3-dibromo-butane-1,4-diyl) ester
Conditions | Yield |
---|---|
With pyridine |
Conditions | Yield |
---|---|
With samarium In methanol for 1h; Ambient temperature; Yield given. Yields of byproduct given. Title compound not separated from byproducts; |
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