Product description: Product name 4-Bromopyrazole CAS number 2075-45-8 Assay ≥98% Appearance Yellowish to off-white powder Capacity 50mt/year Application Pharmaceutical/pesti
Cas:2075-45-8
Min.Order:100 Gram
FOB Price: $2.0
Type:Lab/Research institutions
inquiry1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; ...... Appearance:White solid Storage:Store at RT. Package:50kg/fiber drum Appl
Cas:2075-45-8
Min.Order:5 Kilogram
FOB Price: $60.0 / 80.0
Type:Trading Company
inquiryhigh quality Appearance:White or off white powder Storage:Sealed, dry, microtherm , avoid light and smell Package:According to the demand of customer Application:Pharmaceutical intermediates Transportation:by air or by sea Port:shanghai
1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s
Cas:2075-45-8
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
inquiryColorcom is a global leader in industrial chemical manufacturing and is continuously innovating and transforming to exceed client expectations and industry standards. Colorcom prides itself on superior customer and technical focus, while focusing on
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 according to the contract research and development services for the fine c
Cas:2075-45-8
Min.Order:1 Kilogram
FOB Price: $15.0 / 17.0
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:2075-45-8
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryProduct Name: 4-Bromopyrazole Synonyms: 4-bromo-pyrazol;4-Brompyrazole;Pyrazole, 4-bromo-;4-BROMO-1H-PYRAZOLE;4-BROMOPYRAZOLE;AKOS B001462;93℃-96℃;4-Bromopyrazole,98% CAS: 2075-45-8 MF: C3H3BrN2 MW: 146.97 EINECS: Product Categories: Azoles;b
Cas:2075-45-8
Min.Order:1 Kilogram
FOB Price: $230.0
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:2075-45-8
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:2075-45-8
Min.Order:10 Gram
FOB Price: $146.0 / 176.0
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:2075-45-8
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryOur company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At prese
Cas:2075-45-8
Min.Order:1 Kilogram
FOB Price: $68.0 / 75.0
Type:Trading Company
inquiry4-Bromopyrazole CAS:2075-45-8 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 intermedia
Cas:2075-45-8
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryProduct Detail Minimum Order Qty. 10 Gram
Cas:2075-45-8
Min.Order:20 Metric Ton
Negotiable
Type:Trading Company
inquiry1,we produce and sell good chemicals around the world. 2,our success rate is about 95%. this means, if customer order is accepted, the probability that the customer will obtain the ordered substances, is 95%. 3,our staff consists of highly qualifie
Cas:2075-45-8
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
1. 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:2075-45-8
Min.Order:1 Kilogram
FOB Price: $100.0 / 120.0
Type:Lab/Research institutions
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:2075-45-8
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
inquiryHubei Lidu New Materials Technology Co. , Ltd. is located in No. 12,3C Industrial Park, Zhongxiang Economic Development Zone, Hubei Province. The company is committed to fine chemical raw materials, pharmaceutical intermediates and other production,
Hangzhou 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:2075-45-8
Min.Order:0 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryOur Advantages Production: Advanced chemical equipment with years of experience Staffs for producing various extract products. Quality Control:A complete set of Testing Professional and Analysis Equipment ensures the Quality Requirements and Specif
Cas:2075-45-8
Min.Order:1 Kilogram
FOB Price: $75.0 / 150.0
Type:Trading Company
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:2075-45-8
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
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
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Cas:2075-45-8
Min.Order:100 Gram
FOB Price: $10.0 / 100.0
Type:Trading Company
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:2075-45-8
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:2075-45-8
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:2075-45-8
Min.Order:100 Gram
FOB Price: $100.0 / 2000.0
Type:Lab/Research institutions
inquirySuperior quality Appearance:White to cream crystalline powder Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:100g/bottle,1kg/bottle,25kg/drum or as per your request Application:Starting material employed in a syn
Product Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,
Conditions | Yield |
---|---|
With bromine In dichloromethane at 0℃; | 100% |
With N-Bromosuccinimide In water at 20 - 25℃; | 100% |
With N-Bromosuccinimide In water at 20℃; | 100% |
Conditions | Yield |
---|---|
With bromine |
Methyl 4-pyridazinyl ketone
A
4-bromo-1H-pyrazole
Conditions | Yield |
---|---|
In dimethyl sulfoxide at 24.9℃; Equilibrium constant; |
4-bromo-1H-pyrazole-3-carboxylic acid
4-bromo-1H-pyrazole
4-bromo-1H-pyrazole
Conditions | Yield |
---|---|
With phosphate buffer at 25℃; Kinetics; |
4-bromo-1H-pyrazole
Conditions | Yield |
---|---|
With phosphate buffer at 25℃; Kinetics; |
4-bromo-1H-pyrazole
Conditions | Yield |
---|---|
With phosphate buffer at 25℃; Kinetics; |
4-bromo-1H-pyrazole
Conditions | Yield |
---|---|
With phosphate buffer at 25℃; Kinetics; |
4-bromo-1H-pyrazole
Conditions | Yield |
---|---|
With phosphate buffer at 25℃; Kinetics; |
A
4-bromo-1H-pyrazole
B
(S)-(+)-flurbiprofen
Conditions | Yield |
---|---|
With water; sodium hydroxide at 4℃; for 24h; |
NH-pyrazole
ethyl 2-bromoisobutyrate
A
4-bromo-1H-pyrazole
B
ethyl 2-(4-bromo-1H-pyrazol-1-yl)-2-methylpropanoate
Conditions | Yield |
---|---|
Stage #1: NH-pyrazole; ethyl 2-bromoisobutyrate With sodium t-butanolate In N,N-dimethyl-formamide Stage #2: With 1,3-dibromo-5,5-dimethylimidazolidine-2,4-dione |
4-bromo-1H-pyrazole
ethyl vinyl ether
4-bromo-1-(1-ethoxyethyl)-1H-pyrazole
Conditions | Yield |
---|---|
With hydrogenchloride In tetrahydrofuran; 1,4-dioxane at 20℃; for 3h; | 100% |
With hydrogenchloride In 1,4-dioxane; dichloromethane at 20℃; for 3h; | 89% |
With hydrogenchloride In 1,4-dioxane | 89% |
4-bromo-1H-pyrazole
Conditions | Yield |
---|---|
With potassium carbonate In acetonitrile at 100℃; | 100% |
With potassium carbonate In acetonitrile at 100℃; |
4-bromo-1H-pyrazole
(2-trimethylethylsilylethoxy)methyl chloride
4-bromo-1-<2-(trimethylsilyl)ethoxy>methyl-1H-pyrazole
Conditions | Yield |
---|---|
Stage #1: 4-bromo-1H-pyrazole With sodium hydride In tetrahydrofuran; mineral oil at 0℃; for 0.5h; Stage #2: (2-trimethylethylsilylethoxy)methyl chloride In tetrahydrofuran; mineral oil at 0 - 20℃; for 16h; | 99% |
Stage #1: 4-bromo-1H-pyrazole With sodium hydride In tetrahydrofuran; mineral oil at 0℃; for 0.5h; Stage #2: (2-trimethylethylsilylethoxy)methyl chloride In tetrahydrofuran; mineral oil at 20℃; for 16h; | 99% |
Stage #1: 4-bromo-1H-pyrazole With sodium hydride In tetrahydrofuran; mineral oil at 0 - 20℃; for 0.583333h; Stage #2: (2-trimethylethylsilylethoxy)methyl chloride In tetrahydrofuran; mineral oil at 0 - 20℃; for 16h; | 91% |
Conditions | Yield |
---|---|
99% | |
99% |
Conditions | Yield |
---|---|
With potassium carbonate In acetonitrile at 100℃; for 16h; | 99% |
Stage #1: 4-bromo-1H-pyrazole With sodium hydride In N,N-dimethyl-formamide at 0 - 20℃; for 0.25h; Stage #2: chloro-methylsulfanyl-methane In N,N-dimethyl-formamide at 20℃; |
Conditions | Yield |
---|---|
With bis(η3-allyl-μ-chloropalladium(II)); (R)-segphos In toluene at 80℃; for 16h; Schlenk technique; Inert atmosphere; enantioselective reaction; | 99% |
Conditions | Yield |
---|---|
With tetrabutylammonium tetrafluoroborate In acetonitrile at 45℃; for 10h; Inert atmosphere; Electrochemical reaction; Green chemistry; diastereoselective reaction; | 99% |
Conditions | Yield |
---|---|
With sodium hydride In tetrahydrofuran; mineral oil at 0 - 20℃; Inert atmosphere; | 98.2% |
With pyridine; dmap In dichloromethane at 20℃; for 16h; | 96% |
With potassium tert-butylate In N,N-dimethyl-formamide at 0 - 20℃; for 1h; Inert atmosphere; | 89% |
4-bromo-1H-pyrazole
p-toluenesulfonyl chloride
4-bromo-1H-pyrazol-1-yl(4-methylphenyl)sulfone
Conditions | Yield |
---|---|
With sodium hydroxide In dichloromethane at 20℃; for 24h; | 98% |
With sodium hydroxide In dichloromethane at 0 - 20℃; | 98% |
With triethylamine In dichloromethane at 20℃; for 3h; | 73% |
In pyridine for 2h; Heating; | 70% |
Stage #1: 4-bromo-1H-pyrazole With sodium hydride In tetrahydrofuran; mineral oil at 20℃; for 0.5h; Stage #2: p-toluenesulfonyl chloride In tetrahydrofuran; mineral oil at 20℃; for 12h; | 63% |
4-bromo-1H-pyrazole
3-methanesulfonyloxy-azetidine-1-carboxylic acid tert-butyl ester
tert-butyl 3-(4-bromo-1H-pyrazol-1-yl)azetidine-1-carboxylate
Conditions | Yield |
---|---|
With sodium hydride In N,N-dimethyl-formamide at 110℃; for 0.5h; Microwave irradiation; | 98% |
With sodium hydride In N,N-dimethyl-formamide at 110℃; for 0.5h; Microwave irradiation; | 98% |
With sodium hydride In N,N-dimethyl-formamide; mineral oil at 110℃; for 0.5h; Inert atmosphere; Microwave irradiation; | 98% |
4-bromo-1H-pyrazole
3-methoxycarbonylbenzyl bromide
3-(4-bromo-pyrazol-1-ylmethyl)-benzoic acid methyl ester
Conditions | Yield |
---|---|
With sodium carbonate In ISOPROPYLAMIDE at 60℃; | 98% |
Stage #1: 4-bromo-1H-pyrazole With sodium hexamethyldisilazane In tetrahydrofuran; N,N-dimethyl-formamide at 0℃; for 0.7h; Stage #2: 3-methoxycarbonylbenzyl bromide In tetrahydrofuran; N,N-dimethyl-formamide at 20℃; | 79% |
4-bromo-1H-pyrazole
3-trifluoromethylaniline
N-(3-trifluoromethylphenyl)-1H-pyrazol-4-amine
Conditions | Yield |
---|---|
With t-BuBrettPhos; [(2-di-tert-butylphosphino-3,6-dimethoxy-2’,4’,6’-triisopropyl-1,1’-biphenyl)-2-(2’-amino-1,1‘-biphenyl)]palladium(II) methanesulfonate; lithium hexamethyldisilazane In tetrahydrofuran at 50℃; for 6h; Inert atmosphere; Sealed tube; | 98% |
4-bromo-1H-pyrazole
di-tert-butyl dicarbonate
4-bromopyrazole-1-carboxylic acid tert-butyl ester
Conditions | Yield |
---|---|
With dmap; triethylamine In acetonitrile at 20℃; for 2h; | 98% |
With triethylamine In dichloromethane at 20℃; | 93% |
In tetrahydrofuran at 30 - 45℃; Large scale; | 92% |
Conditions | Yield |
---|---|
With chloro(1,5-cyclooctadiene)rhodium(I) dimer; JoSPOPhos SL-J688-2; pyridinium p-toluenesulfonate In toluene at 80℃; for 16h; Inert atmosphere; Schlenk technique; Sealed tube; enantioselective reaction; | 98% |
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 14h; | 98% |
Conditions | Yield |
---|---|
With copper(l) iodide; L-valine; potassium carbonate In dimethyl sulfoxide at 100℃; for 48h; Inert atmosphere; | 98% |
With copper(l) iodide; potassium carbonate; L-proline In dimethyl sulfoxide at 110℃; for 48h; Inert atmosphere; | 89% |
With copper(l) iodide; L-valine; potassium carbonate In dimethylsulfoxide-d6 at 110℃; for 48h; | 89% |
4-bromo-1H-pyrazole
Conditions | Yield |
---|---|
With bis(η3-allyl-μ-chloropalladium(II)); (R)-segphos In toluene at 80℃; for 16h; Schlenk technique; Inert atmosphere; enantioselective reaction; | 98% |
Conditions | Yield |
---|---|
With NaOH In dichloromethane byproducts: NaCl; stirring of equimolar amts. of CuCl2*2H2O, 4-bromopyrazole, NaOH and N(C4H9)4Cl in CH2Cl2 for 12 h at ambient temp.; filtration, treatment with Et2O, filtration, washing with Et2O, recrystn. from CH2Cl2/Et2O; elem. anal.; | 97% |
pyridin-3-ylamine
4-bromo-1H-pyrazole
N-(pyridin-3-yl)-1H-pyrazol-4-amine
Conditions | Yield |
---|---|
With t-BuBrettPhos; [(2-di-tert-butylphosphino-3,6-dimethoxy-2’,4’,6’-triisopropyl-1,1’-biphenyl)-2-(2’-amino-1,1‘-biphenyl)]palladium(II) methanesulfonate; lithium hexamethyldisilazane In tetrahydrofuran at 80℃; for 6h; Inert atmosphere; Sealed tube; | 97% |
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 25 - 90℃; for 14h; | 97% |
With potassium carbonate In acetonitrile at 90℃; for 12h; | 70% |
4-bromo-1H-pyrazole
hepta-3,4-diene-1,7-diyldibenzene
Conditions | Yield |
---|---|
With bis(η3-allyl-μ-chloropalladium(II)); (R)-segphos In toluene at 80℃; for 16h; Schlenk technique; Inert atmosphere; enantioselective reaction; | 97% |
4-bromo-1H-pyrazole
(1,2:5,6)-di-O-isopropylidene-D-gulose
Conditions | Yield |
---|---|
Stage #1: (1,2:5,6)-di-O-isopropylidene-D-gulose With pyridine; trifluoromethylsulfonic anhydride In dichloromethane at 0 - 10℃; for 1h; Stage #2: 4-bromo-1H-pyrazole With caesium carbonate In N,N-dimethyl-formamide for 18h; Cooling with ice; | 97% |
Conditions | Yield |
---|---|
With t-BuBrettPhos; [(2-di-tert-butylphosphino-3,6-dimethoxy-2’,4’,6’-triisopropyl-1,1’-biphenyl)-2-(2’-amino-1,1‘-biphenyl)]palladium(II) methanesulfonate; lithium hexamethyldisilazane In tetrahydrofuran at 50℃; for 6h; Inert atmosphere; Sealed tube; | 96% |
With sodium t-butanolate; tert-butyl XPhos; tris-(dibenzylideneacetone)dipalladium(0) In toluene at 110℃; for 24h; | 94% |
Conditions | Yield |
---|---|
With tetra-(n-butyl)ammonium iodide; sodium hydroxide In water; dimethyl sulfoxide at 20℃; | 96% |
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 12h; | 84% |
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 12h; | 84% |
4-bromo-1H-pyrazole
4-Fluorobenzyl bromide
4-bromo-1-(4-fluorobenzyl)-1H-pyrazole
Conditions | Yield |
---|---|
With potassium carbonate In acetone at 60℃; for 12h; | 96% |
Stage #1: 4-bromo-1H-pyrazole With sodium hydride In DMF (N,N-dimethyl-formamide) at 0℃; for 0.333333h; Stage #2: 4-Fluorobenzyl bromide In DMF (N,N-dimethyl-formamide) at 20℃; for 1h; Stage #3: With water In DMF (N,N-dimethyl-formamide) at 0℃; | 86% |
4-bromo-1H-pyrazole
3-bromopropanol methyl ether
4-bromo-1-(3-methoxypropyl)-1H-pyrazole
Conditions | Yield |
---|---|
With caesium carbonate In N,N-dimethyl-formamide at 50℃; | 96% |
With caesium carbonate In N,N-dimethyl-formamide at 20℃; for 8h; | 94% |
With caesium carbonate In N,N-dimethyl-formamide at 50℃; |
Conditions | Yield |
---|---|
With chloro(1,5-cyclooctadiene)rhodium(I) dimer; JoSPOPhos SL-J688-2; pyridinium p-toluenesulfonate In toluene at 80℃; for 16h; Inert atmosphere; Schlenk technique; Sealed tube; enantioselective reaction; | 96% |
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 25℃; for 13h; | 96% |
4-bromo-1H-pyrazole
6-methoxypyridine-3-ol
Conditions | Yield |
---|---|
With tert-butylammonium hexafluorophosphate(V) In dichloromethane at 23℃; Inert atmosphere; Electrochemical reaction; | 96% |
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