The 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
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:16400-32-1
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
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:16400-32-1
Min.Order:1 Kilogram
FOB Price: $1.0 / 10.0
Type:Trading Company
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 on.O
Cas:16400-32-1
Min.Order:100 Gram
Negotiable
Type:Lab/Research institutions
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Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiryAs 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 chemicals, ph
1-BROMO-2-PENTYNE CAS:16400-32-1 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 interm
Cas:16400-32-1
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:16400-32-1
Min.Order:1 Kilogram
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:16400-32-1
Min.Order:4 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
Massive 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:16400-32-1
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:16400-32-1
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryProduct name: 1-Bromopent-2-Yne CAS No.:16400-32-1 Molecule Formula:C5H7Br Molecule Weight:147.01 Purity: 99.0% Package: 25kg/drum Description:White powder Manufacture Standards:Enterprise Standard TESTING ITEMS S
Cas:16400-32-1
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryWe are leading fine chemicals supplier in China with ISO certificate, Our main business covers the fields below: 1.Noble Metal Catalysts (Pt.Pd...) 2.Organic Phosphine Ligands (Tert-butyl-phosphine.Cyclohexyl-phosphine...) 3.OLED
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Min.Order:1 Gram
FOB Price: $2.0
Type:Lab/Research institutions
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
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high 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
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
Product name:1-BROMO-2-PENTYNE Synonyms:1-bromopent-2-yne;1-BROMO-2-PENTYNE 97%;TIMTEC-BB SBB008834;2-Pentynyl bromide;Einecs 240-451-2;2-Pentyn-1-yl bromide CAS No:16400-32-1 Molecular formula:C5H7Br Molecular Weight:147.01 Appearance:Clear yel
Cas:16400-32-1
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry1-bromo-2-pentyne 16400-32-1 Application:1-bromo-2-pentyne 16400-32-1
Cas:16400-32-1
Min.Order:0 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiry1-BROMO-2-PENTYNEAppearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:pharmaceutical intermediate Transportation:by air, by sea, by express
Best quality with low price 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
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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:16400-32-1
Min.Order:10 Milligram
Negotiable
Type:Lab/Research institutions
inquiryChangzhou Extraordinary Pharmatech co., LTD. As a leading chemical manufacturer and supplier in China.DAS authentication is passed.We can provide the popular precursor chemicals, we have our own strong R & D team, have our own laboratories and fa
Quality: 1. Testing before each delivery, including Nuclear Magnetic Resonance(NMR), Gas Chromatography(GC)/High Performance Liquid Chromatography(HPLC), Mass detection(MS), Optical rotation for chiral products. There are many other methods avail
Compound 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
toluene-4-sulfonic acid pent-2-ynyl ester
1-bromo-pent-2-yne
Conditions | Yield |
---|---|
With N-benzyl-N,N,N-triethylammonium chloride; sodium bromide In dichloromethane; water for 6h; Ambient temperature; | 95% |
2-pent-2-ynyloxy-tetrahydro-pyran
1-bromo-pent-2-yne
Conditions | Yield |
---|---|
With bromine; triphenylphosphine In dichloromethane | 87% |
pent-2-yn-1-ol
1-bromo-pent-2-yne
Conditions | Yield |
---|---|
With pyridine; phosphorus tribromide In diethyl ether for 3h; Ambient temperature; | 84% |
Stage #1: pent-2-yn-1-ol With pyridine; phosphorus tribromide In diethyl ether at -10 - 20℃; for 6h; Inert atmosphere; Reflux; Stage #2: hydroquinone In diethyl ether for 4.5h; Reflux; Inert atmosphere; | 84% |
With pyridine; phosphorus tribromide In diethyl ether | 80% |
1-chloropent-2-yne
1-bromo-pent-2-yne
Conditions | Yield |
---|---|
With lithium bromide In N,N-dimethyl-formamide at 60℃; for 72h; Substitution; | 51% |
1-methoxy-2-pentyne
1-bromo-pent-2-yne
Conditions | Yield |
---|---|
With Acetyl bromide; zinc dibromide at 60 - 65℃; |
tetra-N-methyl-phosphorodiamidic acid pent-2-ynyl ester
1-bromo-pent-2-yne
Conditions | Yield |
---|---|
With phosphorus tribromide In diethyl ether for 4h; Heating; |
Conditions | Yield |
---|---|
at 0 - 5℃; |
1-bromo-pent-2-yne
methyl-malonic acid dimethylester
dimethyl methyl(2-pentynyl)malonate
Conditions | Yield |
---|---|
Stage #1: methyl-malonic acid dimethylester With sodium hydride In tetrahydrofuran for 0.25h; Stage #2: 1-bromo-pent-2-yne In tetrahydrofuran at 0 - 20℃; | 100% |
1-bromo-pent-2-yne
S-(2-bromo-5-hydroxybenzyl)ethanethioate
4-bromo-3-((pent-2-yn-1-ylthio)methyl)phenol
Conditions | Yield |
---|---|
With potassium hydroxide In ethanol at 20℃; for 0.5h; | 100% |
1-bromo-pent-2-yne
3-(tetrahydropyran-2'-yloxy)propyne
ethylmagnesium bromide
2,5-octadiyn-1-ol tetrahydropyranyl ether
Conditions | Yield |
---|---|
Stage #1: 3-(tetrahydropyran-2'-yloxy)propyne; ethylmagnesium bromide In tetrahydrofuran; diethyl ether for 0.5h; Inert atmosphere; Reflux; Stage #2: 1-bromo-pent-2-yne With copper(l) iodide In tetrahydrofuran; diethyl ether | 100% |
1-bromo-pent-2-yne
Conditions | Yield |
---|---|
With potassium carbonate In acetone at 60℃; for 18h; | 100% |
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 60℃; Inert atmosphere; | 100% |
1-bromo-pent-2-yne
4-bromo-3,5-dimethylphenol
2-Bromo-1,3-dimethyl-5-(2-pentynyloxy)benzene
Conditions | Yield |
---|---|
Stage #1: 4-bromo-3,5-dimethylphenol With sodium hydride In N,N-dimethyl-formamide at 0℃; for 0.5h; Stage #2: 1-bromo-pent-2-yne In N,N-dimethyl-formamide at 20℃; for 3h; | 99% |
Conditions | Yield |
---|---|
Stage #1: C13H17NO2S With sodium hydride In N,N-dimethyl-formamide at 0℃; for 0.0833333h; Reflux; Stage #2: 1-bromo-pent-2-yne In N,N-dimethyl-formamide at 20℃; for 1.5h; | 99% |
1-bromo-pent-2-yne
3-hydroxy-6-methylflavone
6-methyl-3-(pent-2-ynyloxy)-2-phenyl-4H-chromen-4-one
Conditions | Yield |
---|---|
With caesium carbonate In N,N-dimethyl-formamide at 60℃; | 99% |
1-bromo-pent-2-yne
S-(2-bromo-5-methoxybenzyl)ethanethioate
(2-bromo-5-methoxybenzyl)(pent-2-yn-1-yl)sulfide
Conditions | Yield |
---|---|
With potassium hydroxide In ethanol at 20℃; for 1h; | 99% |
1-bromo-pent-2-yne
S-(2-bromobenzyl)ethanethioate
(2-bromobenzyl)(pent-2-yn-1-yl)sulfide
Conditions | Yield |
---|---|
With potassium hydroxide In ethanol at 20℃; for 1h; | 99% |
With potassium hydroxide In ethanol at 20℃; for 1h; | 99% |
Conditions | Yield |
---|---|
With sodium methylate; magnesium sulfate In neat (no solvent) at 20℃; for 0.333333h; Milling; diastereoselective reaction; | 99% |
2-benzothiazol-2-ylsulfanyl-6-morpholin-4-yl-6-oxo-hexanoic acid methyl ester
1-bromo-pent-2-yne
2-(Benzothiazol-2-ylsulfanyl)-2-(4-morpholin-4-yl-4-oxo-butyl)-hept-4-ynoic acid methyl ester
Conditions | Yield |
---|---|
With potassium carbonate; potassium iodide In acetone Heating; | 98% |
1-bromo-pent-2-yne
indole-2,3-dione
1-Pent-2-ynyl-1H-indole-2,3-dione
Conditions | Yield |
---|---|
With lithium hydride In N,N-dimethyl-formamide 20 deg C, 4 h; 60 deg C, 1 h; | 98% |
1-bromo-pent-2-yne
dimethyl allylmalonate
dimethyl 2-allyl-2-(pent-2-ynyl)malonate
Conditions | Yield |
---|---|
Stage #1: dimethyl allylmalonate With sodium hydride In tetrahydrofuran at 0℃; for 0.333333h; Stage #2: 1-bromo-pent-2-yne In tetrahydrofuran at 20℃; for 11h; Further stages.; | 98% |
With sodium hydride In mineral oil at 20℃; for 0.5h; Schlenk technique; Inert atmosphere; | 91% |
Stage #1: dimethyl allylmalonate With sodium hydride In tetrahydrofuran; hexane at 0 - 20℃; Stage #2: 1-bromo-pent-2-yne In tetrahydrofuran; hexane at 20℃; for 12.25h; | 72% |
1-bromo-pent-2-yne
6-hydroxy-2,3-dihydro-1H-indolizin-5-one
6-(pent-2-ynyloxy)-2,3-dihydroindolizin-5(1H)-one
Conditions | Yield |
---|---|
With potassium carbonate; sodium iodide In acetone for 20h; Reflux; | 98% |
1-bromo-pent-2-yne
1-methylalizarin
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 50℃; | 98% |
Conditions | Yield |
---|---|
Stage #1: 3-hydroxy-2-phenylpropene With sodium hydride at 0 - 20℃; for 0.5h; Williamson Ether Synthesis; Inert atmosphere; Stage #2: 1-bromo-pent-2-yne at 20℃; Williamson Ether Synthesis; Inert atmosphere; | 98% |
2-benzothiazol-2-ylsulfanyl-hexanedioic acid dimethyl ester
1-bromo-pent-2-yne
dimethyl 2-(2-pentynyl)-2-(2-benzothiazolylthio)adipate
Conditions | Yield |
---|---|
With potassium carbonate; potassium iodide In acetone for 24h; Heating; | 97% |
1-bromo-pent-2-yne
4-hydroxy-2,3,6-trimethylbenzaldehyde
4-(2-Pentynyloxy)-2,3,6-trimethylbenzaldehyde
Conditions | Yield |
---|---|
Stage #1: 4-hydroxy-2,3,6-trimethylbenzaldehyde With sodium hydride In N,N-dimethyl-formamide at 0℃; for 0.5h; Stage #2: 1-bromo-pent-2-yne In N,N-dimethyl-formamide at 20℃; for 3h; | 97% |
1-bromo-pent-2-yne
N-(2,2-dimethoxyethyl)-p-toluenesulfonamide
N-(2,2-dimethoxyethyl)-4-methyl-N-pent-2-ynylbenzenesulfonamide
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 100℃; for 3h; | 97% |
1-bromo-pent-2-yne
Conditions | Yield |
---|---|
With tetra(n-butyl)ammonium hydrogensulfate; sodium hydroxide In dichloromethane; water at 40℃; for 3.5h; Williamson Ether Synthesis; | 97% |
1-bromo-pent-2-yne
2-(phenylselanyl)cyclohex-2-en-1-one
Conditions | Yield |
---|---|
96% |
1-Chloro-4-iodobenzene
1-bromo-pent-2-yne
Conditions | Yield |
---|---|
With indium; lithium iodide; tetrakis(triphenylphosphine) palladium(0) In N,N-dimethyl-formamide at 100℃; | 96% |
isovanillin
1-bromo-pent-2-yne
4-methoxy-3-(pent-2-ynyloxy)benzaldehyde
Conditions | Yield |
---|---|
With potassium carbonate In acetone for 16h; Reflux; | 96% |
1-bromo-pent-2-yne
2-bromothiophenol
(2-bromophenyl)(pent-2-yn-1-yl)sulfide
Conditions | Yield |
---|---|
With triethylamine In toluene for 4h; Reflux; | 96% |
With triethylamine In toluene for 4h; Reflux; | 96% |
N-(2-Formyl-phenyl)-4-methyl-benzenesulfonamide
1-bromo-pent-2-yne
Conditions | Yield |
---|---|
With potassium carbonate In acetonitrile at 75℃; for 24h; Inert atmosphere; | 96% |
1-bromo-pent-2-yne
diethyl malonate
ethyl 2-carbethoxy-hept-4-yn-1-oate
Conditions | Yield |
---|---|
With sodium hydroxide; tetra(n-butyl)ammonium hydrogensulfate In dichloromethane | 95% |
With potassium carbonate In acetone at 20℃; for 24h; | 57% |
Stage #1: diethyl malonate With sodium ethanolate In ethanol at 20℃; for 0.166667h; Stage #2: 1-bromo-pent-2-yne In ethanol at 20℃; for 2h; Further stages.; | 31% |
1-bromo-pent-2-yne
3-Phenyl-2-propyn-1-ol
(3-(pent-2-yn-1-yloxy)prop-1-yn-1-yl)benzene
Conditions | Yield |
---|---|
Stage #1: 3-Phenyl-2-propyn-1-ol With sodium hydride In tetrahydrofuran at 0℃; for 0.75h; Inert atmosphere; Stage #2: 1-bromo-pent-2-yne In tetrahydrofuran Inert atmosphere; | 95% |
1-bromo-pent-2-yne
N-allyl-4-bromobenzenesulfonamide
Conditions | Yield |
---|---|
Stage #1: 1-bromo-pent-2-yne; N-allyl-4-bromobenzenesulfonamide With potassium carbonate In acetonitrile for 8h; Reflux; Stage #2: In acetonitrile at 20℃; for 14h; | 95% |
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