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:74137-36-3
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryhe company has advanced technology, as well as a large number of excellent R & D team, to provide customers from the grams to one hundred kilograms and tons of high-quality products, competitive prices and quality se T rvice Appearance:Whit
Our 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:74137-36-3
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:74137-36-3
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
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:74137-36-3
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
J&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:74137-36-3
Min.Order:1 Gram
FOB Price: $1.0 / 1000.0
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:74137-36-3
Min.Order:0 Metric Ton
Negotiable
Type:Other
inquiryProduct Name: 3,5-Dibromoanisole Synonyms: 1,3-dibromo-5-methoxybenzene;3,5-DIBROMOANISOLE;Benzene,1,3-dibroMo-5-Methoxy- CAS: 74137-36-3
Cas:74137-36-3
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry3,5-Dibromoanisole Basic information Product Name: 3,5-Dibromoanisole Synonyms: 1,3-dibromo-5-methoxybenzene;3,5-DIBROMOANISOLE;Benzene,1,3-dibroMo-5-Methoxy-;Phloroglucinol Impurity 13;3,5-dibromophenyl ether;3,5-Dibromoanisole>;3,5-Dibrom
Cas:74137-36-3
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
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:74137-36-3
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:74137-36-3
Min.Order:1 Metric Ton
FOB Price: $7.0 / 8.0
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
Our company is engaged in customizing the benzene ring and pyridine derivative organic intermediates, and the quantity is flexible according to customer's needs. It mainly provides high-quality intermediates for domestic and foreign pharmaceutical an
Cas:74137-36-3
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryStock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Cas:74137-36-3
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryhigh 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
R & D enterprises have their own stock in stockAppearance:To be subject to the object Package:Customized Application:pharmaceutical intermediates Transportation:Air Port:Shanghai;Guangzhou
high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,Pharmaceutical intermediates Transportation:air,sea,courier
Cangzhou Enke Pharma Tech Co.,ltd. is located in Cangzhou City, Hebei province ,where is a famous petroleum chemical industry city?in China. Enke Pharma a high-tech enterprise ,and we are dedicated to developing and manufacturing new api,?intermediat
Fredchem focus on CRO/CMO business and its own R&D of API/Intermediates Package:Grams, Kilograms Application:Pharmaceutical field Transportation:According to customer request Port:Shanghai
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
Cas:74137-36-3
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
Appearance: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:74137-36-3
Min.Order:0
Negotiable
Type:Trading Company
inquirySupply top quality products with a reasonable price Application:api
3,5-Dibromoanisole cas 74137-36-3Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
Best quality with low priceAppearance:solid Storage:ln stock Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Shanghai
Good Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen
*stable and better quality products*efficient and meticulous servicesAppearance:Powder Storage:Store in dry, cool and ventilated place Package:10G/bottle 1kg/tin 5kg/tin 25kg/carton Application:1. Chemical raw materials 2. Used as an analytical reage
Conditions | Yield |
---|---|
With potassium carbonate In acetone at 60℃; for 16h; | 100% |
With potassium carbonate; potassium iodide In acetonitrile at 95℃; for 3h; Inert atmosphere; | 98.1% |
With potassium carbonate In acetone at 20℃; for 15h; Heating; Reflux; | 97% |
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 90℃; for 12h; | 98% |
In N,N-dimethyl-formamide at 80℃; for 8h; | 70% |
In N,N-dimethyl-formamide at 80℃; for 28h; Inert atmosphere; | 48.9% |
In pyridine; methanol at 115℃; Rate constant; Product distribution; | |
In N,N-dimethyl-formamide at 90℃; for 0.25h; |
2,6-dibromo-4-methoxyaniline
3,5-dibromoanisole
Conditions | Yield |
---|---|
With sulfuric acid; hypophosphorous acid; sodium nitrite In toluene at 0℃; for 4.5h; | 96% |
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 20℃; | 95% |
In methanol; DMF (N,N-dimethyl-formamide) at 0 - 20℃; for 1h; | |
In N,N-dimethyl-formamide at 20℃; |
Conditions | Yield |
---|---|
With potassium hydroxide; tetrabutylammomium bromide In tetramethylurea at 20℃; for 24h; | 84% |
With tetrabutylammomium bromide; oxygen; potassium hydroxide In tetramethylurea at 20℃; | 84% |
With potassium hydroxide; tetrabutylammomium bromide; tetramethylurea at 20℃; for 24.25h; | 84% |
With potassium hydroxide; tetrabutylammomium bromide In tetramethylurea at 20℃; for 24.25h; | 84% |
1,3,5-trisbromobenzene
3,5-dibromoanisole
Conditions | Yield |
---|---|
With sodium methylate In N,N-dimethyl-formamide at 100℃; for 12h; | 83% |
1,3,5-trisbromobenzene
sodium methylate
A
3,5-dibromophenol
B
3,5-dibromoanisole
Conditions | Yield |
---|---|
at 130℃; | |
at 120 - 130℃; im geschlossenen Rohr; |
Conditions | Yield |
---|---|
With methanol; sodium at 120 - 130℃; im geschlossenen Rohr; |
2,4-dibromo-6-methoxyaniline
A
3-bromo-5-nitroanisole
B
3,5-dibromoanisole
Conditions | Yield |
---|---|
With potassium disulphite; nitric acid nachfolgend Verkochen mit Alkohol in Gegenwart von Kupfersulfat; | |
With potassium disulphite; nitric acid Diazotization.folgend Verkochen mit Alkohol in Gegenwart von Kupfersulfat; |
2,4-dibromo-6-methoxyaniline
3,5-dibromoanisole
Conditions | Yield |
---|---|
With ethanol Diazotization; | |
With ethanol; sulfuric acid; sodium nitrite 1.) 0 deg C, 2.) 0 deg C, 15 min, 3.) heating to 80 deg C, 1 h;; Yield given. Multistep reaction; | |
beim Diazotieren und Kochen des Diazoniumsalzes in Alkohol; |
Conditions | Yield |
---|---|
With sodium hydroxide | |
With potassium hydroxide | |
With aq. alkali |
Conditions | Yield |
---|---|
With aluminium trichloride; potassium carbonate 1.) benzene; Multistep reaction; |
2,4-dibromo-6-methoxyaniline
nitric acid
A
3-bromo-5-nitroanisole
B
3,5-dibromoanisole
Conditions | Yield |
---|---|
beim nachfolgenden Verkochen mit Alkohol in Gegenwart von Kupfersulfat.Diazotization; |
1,3,5-trisbromobenzene
sodium methylate
A
1,2,3-trimethoxybenzene
B
1-bromo-3,5-dimethoxybenzene
C
3,5-dibromoanisole
Conditions | Yield |
---|---|
With copper(I) chloride; air In N,N-dimethyl-formamide at 110℃; |
2-methoxy-phenylamine
3,5-dibromoanisole
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: glacial acetic acid / beim Bromieren 2: beim Diazotieren und Kochen des Diazoniumsalzes in Alkohol View Scheme |
3,5-dibromoaniline
3,5-dibromoanisole
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: Diazotization.Verkochen der Diazoniumsulfatloesung mit Schwefelsaeure 2: NaOH-solution View Scheme |
3,5-dibromoanisole
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: concentrated hydrochloric acid 2: potassium pyrosulfite; nitric acid / Diazotization.folgend Verkochen mit Alkohol in Gegenwart von Kupfersulfat View Scheme |
1,3-dibromo-5-fluorobenzene
3,5-dibromoanisole
Conditions | Yield |
---|---|
With sodium methylate In methanol; DMF (N,N-dimethyl-formamide) at 0 - 20℃; for 1h; | |
With sodium methylate In methanol; N,N-dimethyl-formamide |
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