DayangChem exported this product to many countries and regions at best price. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product spe
Cas:772-33-8
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:772-33-8
Min.Order:1 Metric Ton
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:772-33-8
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryOur company was built in 2009 with an ISO certificate.In the past 5 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so
Cas:772-33-8
Min.Order:1 Metric Ton
Negotiable
Type:Lab/Research institutions
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:772-33-8
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
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:772-33-8
Min.Order:1 Kilogram
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:772-33-8
Min.Order:0
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:772-33-8
Min.Order:1 Kilogram
FOB Price: $2.0
Type:Lab/Research institutions
inquirySuperior quality, moderate price & quick delivery. Appearance:light yellow crystal powder Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:25kg/drum, or as per your request. Application:Used as Pharmaceutical
Cas:772-33-8
Min.Order:1 Kilogram
Negotiable
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
Cas:772-33-8
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryEnterprise standard Application:Pharma Intermediate
Cas:772-33-8
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryAcmec is a leading manufacturer and supplier of biochemical reagents and life science products. We have over 40,000 items in stock (real-time inventory) and offer discounted prices to registered members of the online store ( www.acmec.com.cn ) Appea
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Min.Order:1 bottle
Negotiable
Type:Lab/Research institutions
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
Our clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS
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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
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Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry2-Hydroxy-5-nitrobenzyl bromide cas 772-33-8Appearance: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:Beige to yellow crystalline powder Storage:ln stock Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Shanghai
factory?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
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Cas:772-33-8
Min.Order:10 Milligram
Negotiable
Type:Lab/Research institutions
inquiryTech Data Relevant 1.Certificate Of Analysis (COA) 2..Material Safety Data Sheet (MSDS) 3.Technical Data Sheet(TDS) 4.Route of synthesis (ROS) 5.Nuclear Magnetic Resonance(NMR) 6.Method of Analysis(MOA) Our Service 1. Before Shipmen
Cas:772-33-8
Min.Order:100 Kilogram
Negotiable
Type:Trading Company
inquiryWatson International Ltd' has a very strong R&D and technical capacity supported by FCAD's platform. The subsidiaries under FCAD Group have accumulated much know-how of different fine chemical branches. For example, Apnoke Scientific L
Cas:772-33-8
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryBaiFuChem is a Professional chemical raw material supplier in China, our main products include Biochemical , Pharma Intermediate and Organic chemical etc. BaiFuChem have wealth of products,experience , expertise and state-of-the-art
Cas:772-33-8
Min.Order:1 Kilogram
Negotiable
Type:Other
inquiryCompound sourcing ServicesAgency of testing serviceFactory audit serviceFounded in Dec. 1999, Nanjing Chemlin Chemical Industrial Co.,Ltd(CHEMLIN) has been covering the business scope from trading of chemicals to custom-synthesis & Manufacturing. Co
Yinghao Pharm products include: leader molecule, heterocyclic compounds,chiral compounds, photoelectric materials, biochemical reagents etc. For example:benzene, pyrimidine, boricacid,pyridine, pyrazole, imidazole, pyrrole, fluorine and other derivat
Cas:772-33-8
Min.Order:0
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Type:Lab/Research institutions
inquiryWe have our own research and development center, provide reliable quality products for you. Appearance:Beige to yellow crystalline powder Storage:Store in dry and cool place. Package:25KG/drum Transportation:by air or by sea Port:shanghai
Cas:772-33-8
Min.Order:500 Kilogram
Negotiable
Type:Other
inquiryWith about ten years experiences in the field of pharmaceutical chemicals, Yierdechem has established solid business cooperation relationships with many large companys worldwide.As a leading supplier of API and pharmaceutical intermediates, holds its
The system can just identify the products information in first sheet, it is not be permitted to add or edit new sheet by userself.Our products are required in MG to Gram only. · Pharmaceutical Reference Standards· Traceable workin
Shanghai AngewChemCo., Ltd. is an innovative enterprise on fine chemicals and pharmaceuticals. Based on Shanghai R&D center and Hunan chemical manufacturing plant, we offer chemical research, process development, and large-scale production. Complete
Cas:772-33-8
Min.Order:0
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Type:Lab/Research institutions
inquiryConditions | Yield |
---|---|
With hydrogen bromide; acetic acid at 70 - 80℃; |
Koshlands reagent I
Conditions | Yield |
---|---|
With hydrogen bromide; acetic acid at 70 - 80℃; |
2-(2-methyl-4-nitrophenyl)-4,4,5,5-tetramethyl-[1,3,2]dioxaborolane
Koshlands reagent I
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: N-Bromosuccinimide; 2,2'-azobis(isobutyronitrile) / acetonitrile / 2 h / 90 °C / Inert atmosphere 2: dihydrogen peroxide; water / 20 °C View Scheme |
2-(2-(bromomethyl)-4-nitrophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
A
2,3-dimethyl-2,3-butane diol
B
Koshlands reagent I
C
boric acid
Conditions | Yield |
---|---|
With water; dihydrogen peroxide at 20℃; Kinetics; |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: potassium acetate; (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride / N,N-dimethyl-formamide / 48 h / 85 °C / Inert atmosphere 2: N-Bromosuccinimide; 2,2'-azobis(isobutyronitrile) / acetonitrile / 2 h / 90 °C / Inert atmosphere 3: dihydrogen peroxide; water / 20 °C View Scheme |
Koshlands reagent I
Conditions | Yield |
---|---|
With hexamethylenetetramine In chloroform | 100% |
(+/-)-2-methyl-1-phenylpyrrolidine
Koshlands reagent I
Conditions | Yield |
---|---|
With dipotassium hydrogenphosphate In dichloromethane at 20℃; for 24h; Inert atmosphere; | 99% |
Conditions | Yield |
---|---|
With dipotassium hydrogenphosphate In dichloromethane at 20℃; for 24h; Inert atmosphere; | 99% |
Conditions | Yield |
---|---|
With dipotassium hydrogenphosphate In dichloromethane at 20℃; for 24h; Inert atmosphere; | 99% |
Conditions | Yield |
---|---|
With dipotassium hydrogenphosphate In dichloromethane at 20℃; for 24h; Inert atmosphere; | 99% |
Conditions | Yield |
---|---|
With dipotassium hydrogenphosphate In dichloromethane at 20℃; for 24h; Inert atmosphere; | 99% |
1-p-tolylpyrrolidine
Koshlands reagent I
Conditions | Yield |
---|---|
With dipotassium hydrogenphosphate In dichloromethane at 20℃; for 24h; Inert atmosphere; | 99% |
Koshlands reagent I
N-(2,4,6-trimethylphenyl)imidazole
3-(2-methylene-4-nitrophenol)-1-(2,4,6-trimethylphenyl)imidazolium bromide
Conditions | Yield |
---|---|
In toluene for 18h; Reflux; | 98.5% |
In toluene for 18h; Reflux; Inert atmosphere; | 91% |
Conditions | Yield |
---|---|
With tetrabutyl ammonium fluoride In tetrahydrofuran at 20℃; for 1h; | 98% |
Koshlands reagent I
Conditions | Yield |
---|---|
With sodium azide In water; acetonitrile at 0 - 20℃; for 3h; Inert atmosphere; | 98% |
With triethylamine In acetonitrile for 3h; Heating; | 64% |
With sodium azide In N,N-dimethyl-formamide at 0 - 20℃; for 16h; | |
With sodium azide In water; acetone at 20℃; for 1h; |
Conditions | Yield |
---|---|
With dipotassium hydrogenphosphate In dichloromethane at 20℃; for 24h; Inert atmosphere; | 96% |
Koshlands reagent I
diphenyl (prop-2-yn-1-yl)phosphine oxide
Conditions | Yield |
---|---|
With sodium azide; bromotris(triphenylphosphine)copper(I) In water; dimethyl sulfoxide at 110℃; under 760.051 Torr; for 0.183333h; Huisgen Cycloaddition; Microwave irradiation; Green chemistry; regioselective reaction; | 95.2% |
Conditions | Yield |
---|---|
In acetone at 20℃; for 1h; | 95% |
Conditions | Yield |
---|---|
With pyridine at 0 - 20℃; for 4h; | 94% |
Conditions | Yield |
---|---|
Stage #1: Koshlands reagent I With triphenylphosphine In dichloromethane for 1h; Reflux; Stage #2: n-valeryl chloride With triethylamine In dichloromethane for 3h; Reflux; | 94% |
Conditions | Yield |
---|---|
at 60℃; for 5h; | 93% |
Koshlands reagent I
4,13-diazadibenzo-18-crown-6
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran 1.) 0 deg C, 8 h, 2.) reflux, 4 h; | 93% |
Conditions | Yield |
---|---|
With dipotassium hydrogenphosphate In dichloromethane at 20℃; for 24h; Reagent/catalyst; Solvent; Inert atmosphere; | 93% |
1-(2-methylphenyl)pyrrolidine
Koshlands reagent I
Conditions | Yield |
---|---|
With dipotassium hydrogenphosphate In dichloromethane at 20℃; for 24h; Inert atmosphere; | 93% |
Conditions | Yield |
---|---|
With dipotassium hydrogenphosphate In dichloromethane at 20℃; for 24h; | 92% |
Koshlands reagent I
N-(2-pyridylmethyl)-N’-(2-hydroxyethyl)ethylenediamine
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran for 24h; Inert atmosphere; | 91.4% |
Koshlands reagent I
1,4,7,10-tetraoxa-15-azacyclopentadecane
N-(2-hydroxy-5-nitrobenzyl)-aza-15-crown-5
Conditions | Yield |
---|---|
91% |
Koshlands reagent I
Conditions | Yield |
---|---|
With potassium carbonate In acetonitrile at 50℃; | 91% |
Conditions | Yield |
---|---|
With potassium carbonate In acetonitrile at 50℃; Inert atmosphere; | 91% |
Koshlands reagent I
phosphorous acid trimethyl ester
(2-Hydroxy-5-nitro-benzyl)-phosphonic acid dimethyl ester
Conditions | Yield |
---|---|
In acetone for 0.25h; | 90% |
at 80 - 100℃; for 0.5h; |
Koshlands reagent I
Conditions | Yield |
---|---|
With cerium(III) chloride heptahydrate In tetrahydrofuran at 20 - 60℃; for 3.25h; Michaelis-Arbuzov Synthesis; Inert atmosphere; Green chemistry; | 90% |
Conditions | Yield |
---|---|
With dipotassium hydrogenphosphate In dichloromethane at 20℃; for 24h; Inert atmosphere; | 90% |
1-aza-18-crown-6
Koshlands reagent I
N-(2-hydroxy-5-nitrobenzyl)-aza-18-crown-6
Conditions | Yield |
---|---|
89% |
Koshlands reagent I
thiourea
2-[(2-hydroxy-5-nitrophenyl)methyl]isothiourea
Conditions | Yield |
---|---|
In ethanol at 20℃; for 2h; | 89% |
Conditions | Yield |
---|---|
With dipotassium hydrogenphosphate In dichloromethane at 20℃; for 24h; Inert atmosphere; | 89% |
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