Dayangchem's 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. DayangChem can provide different quantities
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inquiryItems Standard Result Appearance (30℃) White powder or crystal White powder Free Phenol ≤
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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
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inquiryISO Specifications Molecular Formula C16H35N.H2SO4 Molecular Weight 339.53 CAS Registry Number 32503-27-8 EINECS 251-068-5 Appearance:White to almost white crystalline powder Package:25kg/drum or as your needs Application:Catalyst Tra
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
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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
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inquiryTetrabutylammonium hydrogen sulfate Basic information Product Name: Tetrabutylammonium hydrogen sulfate Synonyms: IPC-TBA-HS;TETRA-N-BUTYLAMMONIUM HYDROGENSULFATE;TETRA-N-BUTYLAMMONIUM H
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inquiryName: Tetrabutylammonium hydrogen sulfate CAS:32503-27-8 MF: C16H36N.HSO4 Appearance:White Powder Storage:Store in cool and dry place, away from sun light. Package:25kg Application:Syntheses Material Intermediates Transportation:By sea or by air P
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inquiryhebei yanxi chemical co., LTD who registered capital of 10 million yuan, nearly to $2 million, we have a pharmaceutical raw materials factory production of pharmaceutical raw materials, and a reagent r&d center, and we do research and developmen
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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
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inquiryHangzhou Huarong Pharm Co., Ltd. established since 2009 , has been always focusing on supplying products and services to our clients in the field of small molecule drug. Huarong Pharm has built platforms for the research, development and manufac
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inquiryAbout Product Details Items Specifications Test Results Appearance White to white crystalline powde
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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 present
Tetrabutylammonium hydrogen sulfate CAS:32503-27-8 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 quali
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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
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inquiryProduct Detail Minimum Order Qty. 10 Gram
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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
Best quality & Attractive price & Professional service; Trial & Pilot & Commercial Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, specia
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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
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inquiryOur Services 1. New Molecules R&D 2. Own test center HPLC NMR GC LC-MS 3. API and Intermediates from China reputed manufacturers 4. Documents support COA MOA MSDS DMF open part Our advantages 1. Government awarded company. Top 100 enter
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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
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inquiryHangzhou 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
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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
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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
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inquiryPacking: According to customer requirements Delivery time: In stock or depands Port of shipment: Ningbo/Shanghai/Qingdao OEM/ODM:Welcome Sample:We can offer our existing samples at once Transportation:Express/Sea/Air Port:Ningbo/Shanghai/Qingd
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inquiryWhy Choose Us: 1. Factory direct sales, so we can provide the competitive price and high quality product base on 8 years of production and R&D experience. 2. It is available in stock for quick shipment.Products could be packaged according to cu
Chemlyte Solutions believe that customers and suppliers deserve much more than what traditional distributors can offer. To grow in today s fast-paced and increasingly competitive market it is essential to be able to quickly adapt to market forces eff
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inquirytetrabutylammonium thiocyanate
tetra(n-butyl)ammonium hydrogensulfate
Conditions | Yield |
---|---|
With sulfuric acid In water at 75℃; for 1h; | 83% |
A
tetra(n-butyl)ammonium hydrogensulfate
B
1-butyl-3-{3-[(3-butyl-thioureido)-methyl]-2-hydroxy-benzyl}-thiourea
Conditions | Yield |
---|---|
In chloroform-d1 at 20℃; Equilibrium constant; |
tetra(n-butyl)ammonium hydrogensulfate
6,7,8,9,10,11-hexahydro-2-methylthiocyclohepta<1,2,4>triazolo<1,5-a>pyrimidin-5-one
Conditions | Yield |
---|---|
With sodium hydroxide In water below 10 deg C; | 100% |
tetra(n-butyl)ammonium hydrogensulfate
6,7,8,9,10,11,12,13,14,15-decahydro-2-morpholinocyclododeca<1,2,4>triazolo<1,5-a>pyrimidin-5(16H)-one
Conditions | Yield |
---|---|
With sodium hydroxide In water below 10 deg C; | 100% |
tetra(n-butyl)ammonium hydrogensulfate
tetrabutyl ammonium fluoride
Conditions | Yield |
---|---|
With potassium fluoride; potassium hydroxide for 0.333333h; Ambient temperature; | 100% |
With potassium fluoride; potassium hydroxide In dichloromethane; water |
tetra(n-butyl)ammonium hydrogensulfate
tetrabutylammonium hydrogen bifluoride
Conditions | Yield |
---|---|
With potassium hydrogen bifluoride; potassium hydrogencarbonate In chloroform 1.) room temp, 10 min, 2.) 1 h; | 100% |
Stage #1: tetra(n-butyl)ammonium hydrogensulfate With potassium hydrogencarbonate In water at 20℃; for 0.166667h; Stage #2: With potassium hydrogen bifluoride at 20℃; for 1h; | 98% |
tetra(n-butyl)ammonium hydrogensulfate
tetra-n-butyl-ammonium dihydrogentrifluoride
Conditions | Yield |
---|---|
With potassium hydrogen bifluoride; potassium hydrogencarbonate In chloroform 1.) room temp., 10 min, 2.) 1 h; | 100% |
tetra(n-butyl)ammonium hydrogensulfate
Conditions | Yield |
---|---|
In dichloromethane; water aq. soln. of K3(RhCl6) shaken with a soln. of (TBA)HSO4 in CH2Cl2 until the brown-red color disappeared; extracts washed with ice-cold H2O, org. layer dried over Na2SO4, solvent removed, CH2Cl2 added, ether added dropwise for pptn.; | 100% |
tetra(n-butyl)ammonium hydrogensulfate
Conditions | Yield |
---|---|
In dichloromethane aq. soln. of K3(RhBr6) shaken with a soln. of (TBA)HSO4 in CH2Cl2 until the brown-red color disappeared; extracts washed with ice-cold H2O, org. layer dried over Na2SO4, solvent removed, CH2Cl2 added, ether added dropwise until ppt.; | 100% |
tetra(n-butyl)ammonium hydrogensulfate
Conditions | Yield |
---|---|
In water cooling (0°C); extraction (CH2Cl2), pptn. (Et2O);; | 100% |
tetra(n-butyl)ammonium hydrogensulfate
Conditions | Yield |
---|---|
With bromine; chlorine In hydrogenchloride K2(PtBr6) was changed to Na2(PtBr6) in bromine-water with strong acidicion exchanger, dissolved in conc. HCl, Cl2 was led in for 2-4 h at 20°C, precipitated as K-salt; dissolved 4N H2SO4/Br2 (ion exchanger), separated (diethylaminoethylcellulose-ion exchanger, -8°C), eluated ((C4H9)4N)HSO4 in CH2Cl2, evapd., dissolved (CH2Cl2), shaked (H2O), dried (Na2SO4), diethylether/petroleum ether added, elem. anal.; | 100% |
tert-butyl 4-((2S,5R)-6-hydroxy-7-oxo-1,6-diazabicyclo[3.2.1]octane-2-carboxamido)piperidine-1-carboxylate hydrate
tetra(n-butyl)ammonium hydrogensulfate
tetrabutyl ammonium salt (25,5R)-4-tert-butyl{(6-sulfooxy-7-oxo-1,6-diazabicyclo[3.2.1]oct-2-ylcarbonyl)amino}piperidine-1-carboxylate
Conditions | Yield |
---|---|
Stage #1: tert-butyl 4-((2S,5R)-6-hydroxy-7-oxo-1,6-diazabicyclo[3.2.1]octane-2-carboxamido)piperidine-1-carboxylate hydrate With α-picoline; sulfur trioxide pyridine complex In tetrahydrofuran for 15h; Inert atmosphere; Stage #2: tetra(n-butyl)ammonium hydrogensulfate With dipotassium hydrogenphosphate In tetrahydrofuran; dichloromethane at -10℃; for 0.666667h; | 100% |
Stage #1: tert-butyl 4-((2S,5R)-6-hydroxy-7-oxo-1,6-diazabicyclo[3.2.1]octane-2-carboxamido)piperidine-1-carboxylate hydrate With sulfur trioxide pyridine complex; triethylamine In dichloromethane at 35℃; for 4h; Stage #2: With potassium dihydrogenphosphate In water for 1h; Stage #3: tetra(n-butyl)ammonium hydrogensulfate In dichloromethane; water at 35℃; for 14h; | 62% |
Stage #1: tert-butyl 4-((2S,5R)-6-hydroxy-7-oxo-1,6-diazabicyclo[3.2.1]octane-2-carboxamido)piperidine-1-carboxylate hydrate With pyridine; sulfur trioxide pyridine complex at 20℃; Stage #2: for 4h; Molecular sieve; Stage #3: tetra(n-butyl)ammonium hydrogensulfate With potassium dihydrogenphosphate In water for 0.166667h; Product distribution / selectivity; | |
Stage #1: tert-butyl 4-((2S,5R)-6-hydroxy-7-oxo-1,6-diazabicyclo[3.2.1]octane-2-carboxamido)piperidine-1-carboxylate hydrate With α-picoline; sulfur trioxide pyridine complex In tetrahydrofuran for 15h; Stage #2: tetra(n-butyl)ammonium hydrogensulfate With dipotassium hydrogenphosphate In tetrahydrofuran; dichloromethane; water for 0.666667h; Product distribution / selectivity; | |
Stage #1: tert-butyl 4-((2S,5R)-6-hydroxy-7-oxo-1,6-diazabicyclo[3.2.1]octane-2-carboxamido)piperidine-1-carboxylate hydrate With α-picoline; sulfur trioxide pyridine complex In tetrahydrofuran for 15h; Inert atmosphere; Stage #2: tetra(n-butyl)ammonium hydrogensulfate With dipotassium hydrogenphosphate In tetrahydrofuran; dichloromethane; water at -10℃; for 0.666667h; |
tetra(n-butyl)ammonium hydrogensulfate
(n-Bu4N)2B9H9
Conditions | Yield |
---|---|
In sodium hydroxide aq. NaOH; B compd. was dissolved in aq. NaOH at 333 K; soln. of Bu4NHSO4 in aq. NaOH was added with stirring; filtered; washed with mother liquor; dried (vac.); | 100% |
tetra(n-butyl)ammonium hydrogensulfate
tetra-N-butylammonium methyl H-phosphonate
Conditions | Yield |
---|---|
With sodium hydroxide In water at 0 - 20℃; for 0.333333h; Inert atmosphere; | 100% |
tert-butyl (2S)-2-[(2-{[(2S,5R)-6-hydroxy-7-oxo-1,6-diazabicyclo[3.2.1]oct-2-yl]carbonyl}hydrazinyl)carbonyl]piperidine-1-carboxylate
tetra(n-butyl)ammonium hydrogensulfate
Conditions | Yield |
---|---|
Stage #1: tert-butyl (2S)-2-[(2-{[(2S,5R)-6-hydroxy-7-oxo-1,6-diazabicyclo[3.2.1]oct-2-yl]carbonyl}hydrazinyl)carbonyl]piperidine-1-carboxylate With sulfur trioxide pyridine complex In pyridine at 20℃; Stage #2: tetra(n-butyl)ammonium hydrogensulfate With sodium dihydrogenphosphate In water; ethyl acetate for 0.166667h; | 100% |
tetra(n-butyl)ammonium hydrogensulfate
Conditions | Yield |
---|---|
In water at 20℃; for 2h; Inert atmosphere; Schlenk technique; | 100% |
tetra(n-butyl)ammonium hydrogensulfate
Conditions | Yield |
---|---|
In water at 20℃; for 2h; Inert atmosphere; Schlenk technique; | 100% |
tetra(n-butyl)ammonium hydrogensulfate
Conditions | Yield |
---|---|
In dichloromethane; water Schlenk technique; Glovebox; | 100% |
tetra(n-butyl)ammonium hydrogensulfate
Conditions | Yield |
---|---|
In dichloromethane at 25℃; for 17.5h; Substitution; | 99.6% |
tricarbonyl(η5-1-phenylborole)iron
tetra(n-butyl)ammonium hydrogensulfate
tetra-n-butylammonium {dicarbonylhydrido(η5-(1-phenylborole))ferrate}
Conditions | Yield |
---|---|
In sodium hydroxide; benzene N2 atmosphere; layering of soln. of NBu4HSO4 in aq. NaOH with soln. of Fe-compd. in benzene, stirring (15 h, room temp.); evapn. to dryness of org. layer, washing of residue (pentane), drying (vac.); elem. anal.; | 99% |
tetrabutylammomium bromide
tetra(n-butyl)ammonium hydrogensulfate
Conditions | Yield |
---|---|
With AcOH In acetonitrile byproducts: water; dropwise addn. of AcOH to heteropolysalt (stirring), stirring for 15 min, addn. of mixt. of Bu4N-salts; pptn. on standing at 0°C; elem. anal.; | 99% |
tetra(n-butyl)ammonium hydrogensulfate
Conditions | Yield |
---|---|
Stage #1: tetra(n-butyl)ammonium hydrogensulfate With potassium hydrogencarbonate In chloroform; water at 20℃; for 0.166667h; Inert atmosphere; Stage #2: With potassium hydrogenfluoride In chloroform; water at 20℃; for 1h; Inert atmosphere; | 99% |
tetra(n-butyl)ammonium hydrogensulfate
Conditions | Yield |
---|---|
Stage #1: tert-butyl (1-hydroxy-2-oxo-1-azaspiro[3.5]nonan-3-yl)carbamate With pyridine; sulfur trioxide pyridine complex at 60℃; for 3h; Stage #2: tetra(n-butyl)ammonium hydrogensulfate In dichloromethane; water | 98.5% |
tetra(n-butyl)ammonium hydrogensulfate
6,7,8,9,10,11-hexahydro-2-methylthiocycloocta<1,2,4>triazolo<1,5-a>pyrimidin-5(12H)-one
Conditions | Yield |
---|---|
With sodium hydroxide In water below 10 deg C; | 98% |
tetra(n-butyl)ammonium hydrogensulfate
Conditions | Yield |
---|---|
for 18h; Ambient temperature; | 98% |
tetra(n-butyl)ammonium hydrogensulfate
Conditions | Yield |
---|---|
Stage #1: (2S,5R)-2-([1,3,4]oxadiazol-2-yl)-6-hydroxy-7-oxo-1,6-diaza-bicyclo[3.2.1]octane With sulfur trioxide pyridine complex; triethylamine In dichloromethane for 2h; Stage #2: tetra(n-butyl)ammonium hydrogensulfate In dichloromethane for 1.5h; | 98% |
Stage #1: (2S,5R)-2-([1,3,4]oxadiazol-2-yl)-6-hydroxy-7-oxo-1,6-diaza-bicyclo[3.2.1]octane With pyridine; sulfur trioxide pyridine complex at 20℃; for 8h; Stage #2: tetra(n-butyl)ammonium hydrogensulfate With sodium dihydrogenphosphate In water at 20℃; for 0.333333h; | 97% |
Stage #1: (2S,5R)-2-([1,3,4]oxadiazol-2-yl)-6-hydroxy-7-oxo-1,6-diaza-bicyclo[3.2.1]octane With pyridine; sulfur trioxide pyridine complex at 20℃; for 8h; Stage #2: tetra(n-butyl)ammonium hydrogensulfate With sodium dihydrogenphosphate In water at 20℃; for 0.333333h; | 97% |
Stage #1: (2S,5R)-2-([1,3,4]oxadiazol-2-yl)-6-hydroxy-7-oxo-1,6-diaza-bicyclo[3.2.1]octane With pyridine; sulfur trioxide pyridine complex In pyridine at 20℃; for 8h; Stage #2: tetra(n-butyl)ammonium hydrogensulfate With sodium dihydrogenphosphate In water at 20℃; for 0.333333h; | 97% |
Conditions | Yield |
---|---|
In water | 97.2% |
tetra(n-butyl)ammonium hydrogensulfate
6,7,8,9,10,11-hexahydro-2-morpholinocyclohepta<1,2,4>triazolo<1,5-a>pyrimidin-5-one
Conditions | Yield |
---|---|
With sodium hydroxide In water below 10 deg C; | 97% |
C29H31N5O8
tetra(n-butyl)ammonium hydrogensulfate
C16H36N(1+)*C29H30N5O8(1-)
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In chloroform; water for 0.0833333h; | 97% |
C27H28N6O10S
tetra(n-butyl)ammonium hydrogensulfate
C16H36N(1+)*C27H27N6O10S(1-)
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In chloroform; water for 0.0833333h; | 97% |
tetra(n-butyl)ammonium hydrogensulfate
Conditions | Yield |
---|---|
In dichloromethane; water at 20℃; for 0.0833333h; | 97% |
{4-[(E)-2-phenylethenyl]phenyl}methanesulfonic acid sodium salt
tetra(n-butyl)ammonium hydrogensulfate
Conditions | Yield |
---|---|
With sodium hydroxide In dichloromethane at 20℃; for 0.25h; | 96% |
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