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
Cas:33100-27-5
Min.Order:1 Kilogram
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Type:Lab/Research institutions
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Cas:33100-27-5
Min.Order:100 Gram
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inquiryHigh Purity Appearance:Colorless and transparent viscous liquid Application:High-efficiency phase transfer catalyst; complexing agent
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
Welcome 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:33100-27-5
Min.Order:1 Metric Ton
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inquiryItems Standard Result Appearance Colorless to light yellow transparent liquid Conforms Assay
Cas:33100-27-5
Min.Order:1 Gram
FOB Price: $100.0 / 500.0
Type:Manufacturers
inquiryProduct Product name 15-Crown-5 Synonyms 1,4,7,10,13-Pentaoxacyclopentadecane; Lead ionophore V CAS No.
Product description: Product name 15-Crown-5 CAS number 33100-27-5 Assay ≥99% Appearance Colorless liquid Capacity 200mt/year Application Phase transfer catalysts used in or
Good quality Good price Promptly delivery Appearance:white powder Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:intermediate Transportation:According to the demand o
15-Crown-5 Manufacturer Factory CAS 33100-27-5 15-Crown-5 Manufacturer High quality Best price In stock factory CAS 33100-27-5 15-Crown-5 COA TDS price MSDS highly quality and immedaite delivery 15-Crown-5 Chemical Properties Melting poi
Cas:33100-27-5
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inquiry15-Crown-5 Basic information Product Name: 15-Crown-5 Synonyms: 1,4,10,13-Pentaoxacyclopentadecane;15-Crown-5,1,4,7,10,13-Pentaoxa-cyclo-pentadecane;Crownethers;Eth
Cas:33100-27-5
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryOur advantages: 1. All inquiries will be replied within 12 hours. 2. Dedication to quality, supply & service. 3. Strictly on selecting raw materials. 4. Reasonable & competitive price, fast lead time. 5. Sample is available for your eva
WITH 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:33100-27-5
Min.Order:10 Gram
FOB Price: $146.0 / 176.0
Type:Trading Company
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
Cas:33100-27-5
Min.Order:20 Kilogram
FOB Price: $10.0 / 100.0
Type:Trading Company
inquiry1. Product advantages ♦ High purity, all above 98.5%, no impurities after the dissolution ♦ We will test each batch to ensure quality ♦ OEM and private brand services designed for free ♦ Various cap colors available &diam
Cas:33100-27-5
Min.Order:1 Kilogram
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inquiryChemical Name 15-Crown-5 Synonyms 1,4,7,10,13-Pentaoxacyclopentadecane; Lead ionophore V CAS No. 33100-27-5 Molecular formula C10H20O5
Cas:33100-27-5
Min.Order:1 Kilogram
FOB Price: $1.0
Type:Other
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Min.Order:1 Kilogram
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Cas:33100-27-5
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
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Cas:33100-27-5
Min.Order:1 Kilogram
FOB Price: $85.0 / 100.0
Type:Trading Company
inquiry15-Crown-5 CAS: 33100-27-5 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 intermediates
Cas:33100-27-5
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
Minimum Order Qty. 10 Gram Supply Ability 500 Kilograms/Month Storage store in cool, dry, ventilated place 20℃ Delivery Time 3 business days after payment Payment Term TT,western union,Paypal,MoneyGram Package 10g,20g,50g,100g,500g,1KGS,
Cas:33100-27-5
Min.Order:10 Gram
Negotiable
Type:Trading Company
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
Hangzhou Fanda Chemical Co.,Ltd (FandaChem) , a China-based chemical company, specialize in exporting 15-Crown-5 cas 33100-27-5 ;Please contact us by email freely. We are leading exporter in China. If you really need this cargo, pleas
Cas:33100-27-5
Min.Order:0 Metric Ton
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Type:Other
inquiryBest 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
Cas:33100-27-5
Min.Order:0
Negotiable
Type:Manufacturers
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A 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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Zibo 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:33100-27-5
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
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Type:Lab/Research institutions
inquiry1,4,7,10,13-pentaoxacyclopentadecane-2,6-dione
15-crown-5
Conditions | Yield |
---|---|
With lithium aluminium tetrahydride In tetrahydrofuran at 0℃; for 1.5h; | 79% |
Pentaethylene glycol
15-crown-5
Conditions | Yield |
---|---|
With sodium hydroxide; p-toluenesulfonyl chloride In 1,4-dioxane at 80℃; | 75% |
With sodium hydroxide; p-toluenesulfonyl chloride In 1,2-dimethoxyethane at 0℃; Product distribution; var. solvents, reagents, and temp.; other oligoethylene glycols; | 36 % Chromat. |
Conditions | Yield |
---|---|
With sodium carbonate; dicyclohexyl-carbodiimide In 1,4-dioxane at 70 - 75℃; for 6h; Concentration; Reagent/catalyst; Temperature; Solvent; | 70.2% |
3-oxa-1,5-dichloropentane
2,2'-[1,2-ethanediylbis(oxy)]bisethanol
15-crown-5
Conditions | Yield |
---|---|
With sodium methylate In 1,4-dioxane for 24h; Heating; metal hydroxides, different bases as 'template' agents; | 66% |
With sodium methylate In 1,4-dioxane for 24h; Heating; | 66% |
1,4,7,10,13-Pentaoxacyclopentadecane-2,3-dithione
15-crown-5
Conditions | Yield |
---|---|
With nickel In diethyl ether; dichloromethane at 0℃; for 1h; | 52% |
Pentaethylene glycol
A
15-crown-5
B
<60>crown-20
C
<30>crown-10
D
45-Crown-15
Conditions | Yield |
---|---|
With potassium hydroxide; p-toluenesulfonyl chloride In 1,4-dioxane at 65℃; | A 46% B 0.7% C 12% D 3.4% |
Pentaethylene glycol
A
15-crown-5
B
<30>crown-10
C
45-Crown-15
Conditions | Yield |
---|---|
With potassium hydroxide; p-toluenesulfonyl chloride In 1,4-dioxane at 65℃; | A 46% B 12% C 3.4% |
Conditions | Yield |
---|---|
With potassium hydroxide for 0.133333h; microwave irradiation; | 40% |
diethylene glycol ditosylate
2,2'-[1,2-ethanediylbis(oxy)]bisethanol
15-crown-5
Conditions | Yield |
---|---|
With aluminum oxide; potassium fluoride In acetonitrile for 24h; Ambient temperature; | 25% |
Conditions | Yield |
---|---|
In benzene at 25℃; Equilibrium constant; |
complex of 15-crown-5 with K+
15-crown-5
Conditions | Yield |
---|---|
In methanol at 25℃; Equilibrium constant; | |
In acetone at 25℃; Equilibrium constant; complexation of alkali metal cations (Li+, Na+, K+, Rb+, Cs+) with crown ethers, diaza crown ethers and cryptands in acetone, stability constants of complexes formed; influence of ion-pair formation on stability constants; |
complex of 15-crown-5 with Na+
15-crown-5
Conditions | Yield |
---|---|
In methanol at 25℃; Equilibrium constant; |
Conditions | Yield |
---|---|
In methanol; water at 25℃; Equilibrium constant; var. MeOH/H2O ratio; |
Conditions | Yield |
---|---|
In dichloromethane; water at 25℃; for 0.666667h; Equilibrium constant; |
Conditions | Yield |
---|---|
In dichloromethane; water at 25℃; for 0.666667h; Equilibrium constant; |
Conditions | Yield |
---|---|
In dichloromethane; water at 25℃; for 0.666667h; Equilibrium constant; |
Conditions | Yield |
---|---|
In dichloromethane; water at 25℃; for 0.666667h; Equilibrium constant; |
Conditions | Yield |
---|---|
In 1,2-dichloro-ethane at 20℃; Rate constant; Kinetics; Thermodynamic data; var. crown ethers, ΔH(excit.), ΔS(excit.); |
Conditions | Yield |
---|---|
In 1,2-dichloro-ethane at 20℃; Rate constant; Kinetics; Thermodynamic data; var. crown ethers, ΔH(excit.), ΔS(excit.); |
A
15-crown-5
B
1-(2-chlorophenyl)ethanone
Conditions | Yield |
---|---|
In 1,2-dichloro-ethane at 20℃; Rate constant; Kinetics; Thermodynamic data; var. crown ethers, ΔH(excit.), ΔS(excit.); |
Conditions | Yield |
---|---|
Thermodynamic data; enthalpy and entropy changes for the complex dissociation reaction: ΔH0D, ΔS0D; |
Conditions | Yield |
---|---|
Thermodynamic data; enthalpy and entropy changes for the complex dissociation reaction: ΔH0D, ΔS0D; |
Conditions | Yield |
---|---|
Thermodynamic data; enthalpy and entropy changes for the complex dissociation reaction: ΔH0D, ΔS0D; |
triethylene glycol di-(p-toluenesulfonate)
diethylene glycol
15-crown-5
Conditions | Yield |
---|---|
With aluminum oxide; potassium fluoride In acetonitrile for 24h; Ambient temperature; | 33 % Chromat. |
15-crown-5
Conditions | Yield |
---|---|
In acetone Equilibrium constant; various solvents (MeNO2, MeCN, propylene carbonate, MeOH, pyridine), complex formation between crown ethers and lithim ion, effect of solvent of the stability of complexes, 7Li NMR study; | |
In acetone Equilibrium constant; various solvents (MeNO2, MeCN, MeOh H2O etc.), complex formation between crown ethers and lithim ion, effect of solvent of the stability of complexes; |
15-crown-5
Conditions | Yield |
---|---|
With Iodine monochloride In benzene at 24.9℃; Equilibrium constant; |
Conditions | Yield |
---|---|
In gas at 76.9℃; Equilibrium constant; Thermodynamic data; ΔG0; |
Conditions | Yield |
---|---|
In gas at 76.9℃; Equilibrium constant; Thermodynamic data; ΔG0; |
Conditions | Yield |
---|---|
In gas at 76.9℃; Equilibrium constant; Thermodynamic data; ΔG0; |
15-crown-5
[W(carbonyl)5([bis(trimethylsilyl)methyl]cyanophosphane)]
sodium hexamethyldisilazane
[(OC)5WP(CH(SiMe3)2)CNNa(15-crown-5)]
Conditions | Yield |
---|---|
In tetrahydrofuran under Ar; cooled (-80°C) soln. of NaN(SiMe3)2 in THF added dropwise to stirred soln. of W complex in THF and 15-crown-5; warmed slowly toroom temp. for 3.5 h; solvent removed under vac.; washed with Et2O and n-pentane; dried under reduced pressure; elem. anal.; | 100% |
15-crown-5
Conditions | Yield |
---|---|
With sodium bromide In water at 20℃; for 12h; | 100% |
15-crown-5
Conditions | Yield |
---|---|
With sodium hydroxide In water at 20℃; for 12h; | 100% |
15-crown-5
Conditions | Yield |
---|---|
With sodium iodate In water at 20℃; for 12h; | 100% |
Conditions | Yield |
---|---|
In water at 20℃; for 12h; | 100% |
Conditions | Yield |
---|---|
In water at 20℃; for 12h; | 100% |
Conditions | Yield |
---|---|
In water at 20℃; for 12h; | 100% |
Conditions | Yield |
---|---|
Stage #1: 15-crown-5; sodium chloride In water at 20℃; for 12h; Stage #2: zinc(II) chloride In ethanol for 12h; Reflux; | 100% |
15-crown-5
sodium chloride
Conditions | Yield |
---|---|
Stage #1: 15-crown-5; sodium chloride In water at 20℃; for 12h; Stage #2: iron(III) chloride hexahydrate In ethanol for 12h; Reflux; | 100% |
Conditions | Yield |
---|---|
In water UO2OAc2*2H2O, NaCH3COO, ligand and HCl were combined in water with stirring, evapd. slowly at room temp. for 1 wks; isolated; elem. anal.; | 99.9% |
15-crown-5
[NaU(bis(trimethylsilyl)amide)(CH2SiMe2N(SiMe3))2]
Conditions | Yield |
---|---|
In pentane under Ar; a NMR tube was charged with U-contg. compd. (0.027 mmol) in pentane, and 15-crown-5 (0.032 mmol) was added; the suspn. was heated for 3 d at 60°C; elem. anal.; | 99% |
15-crown-5
1,1,1-trimethyl-2,2,2-triphenyldisilane
Conditions | Yield |
---|---|
With sodium t-butanolate In tetrahydrofuran at 20℃; for 2h; Inert atmosphere; Schlenk technique; | 99% |
Conditions | Yield |
---|---|
In tetrahydrofuran; hexane | 99% |
15-crown-5
zirconium(IV) chloride
Conditions | Yield |
---|---|
In acetonitrile soln. of ZrCl4 and 15-crown-5 prepared under cooling; addn. of NaF; stirred for 12 h at 25°C; filtration; solvent removed until beginning of crystn.; cooled down to 5°C; crystn.; filtration; washed (cold acetonitrile); dried under vac.; elem. anal.; IR; | 98.3% |
Conditions | Yield |
---|---|
In tetrachloromethane Ar-atmosphere; room temp.; elem. anal.; | 98% |
Conditions | Yield |
---|---|
In pentane Ar; U compd. and ligand (1:1 molar ratio), stirred for 12 at 20°C; filtered, evapd., elem. anal.; | 98% |
iron(II) bis(trimethylsilyl)amide
15-crown-5
sodium hexamethyldisilazane
Conditions | Yield |
---|---|
Stage #1: iron(II) bis(trimethylsilyl)amide; sodium hexamethyldisilazane In toluene for 1h; Reflux; Inert atmosphere; Glovebox; Schlenk technique; Stage #2: 15-crown-5 In toluene for 1h; Reflux; Inert atmosphere; Glovebox; Schlenk technique; | 97.74% |
Conditions | Yield |
---|---|
With sodium t-butanolate In tetrahydrofuran; toluene Ambient temperature; | 97% |
Conditions | Yield |
---|---|
With hydrogenchloride In water addn. of org. ligand to soln. of ammonium dichromate and concd. hydrochloric acid (stirring, 20°C); ppt. filtered off, washed (water) and dried at 40-50°C; elem. anal.; | 97% |
15-crown-5
sodium thiophenolate
Conditions | Yield |
---|---|
In tetrahydrofuran N2-atmosphere; mixing Ni-complex with excess NaSPh, addn. of MeOH, stirring for 1 d, filtration, addn. of excess of crown; crystn. (-30°C, 3 d), collection (filtration), washing (THF, hexane), drying (vac., 2 h); elem. anal.; | 97% |
15-crown-5
C10H20O5*C24H25F4Si(1-)*Na(1+)
Conditions | Yield |
---|---|
With sodium fluoride In toluene for 648h; Inert atmosphere; | 97% |
15-crown-5
Conditions | Yield |
---|---|
In tetrahydrofuran standard inert-atmosphere techniques; soln. of (15)crown-5 (0.972 mmol) added to soln. of Sn(OTf)2 (0.480 mmol), stiired for 2 h; solvent removed (in vac.), washed with pentane; elem. anal.; | 97% |
15-crown-5
Conditions | Yield |
---|---|
In tetrahydrofuran | 96.1% |
In tetrahydrofuran byproducts: THF; under N2 15-crown-5 was added dropwise to THF soln. of Mg-compd.; ppt. was centrifuged off, dried in vac., elem. anal.; | 96.1% |
15-crown-5
MoF4(NCl)
Conditions | Yield |
---|---|
In acetonitrile stirring (room temp., 2 h); crystn. on cooling (-18°C), sepn. (filtration off), washing (acetonitrile), drying (vac.); elem. anal.; | 96% |
Conditions | Yield |
---|---|
In tetrachloromethane Ar-atmosphere; molar ratio Nb2Cl10:crown=1:2, room temp.; elem. anal.; | 96% |
2-(3-methoxymethoxyphenyl)butane-1,2-diol
15-crown-5
methyl iodide
2-methoxy-2-(3-methoxymethoxyphenyl)but-1-yl methyl ether
Conditions | Yield |
---|---|
In N-methyl-acetamide; mineral oil | 95% |
15-crown-5
Conditions | Yield |
---|---|
In acetonitrile byproducts: NaCl; addn. of NaF to suspn. of Mo-complex, addn. of 15-crown-5 (dropwise), stirring (12 h), sepn. of ppt. (filtration); crystn. on cooling (-20°C), sepn. (filtration off), washing (acetonitrile), drying (vac.); elem. anal.; | 95% |
15-crown-5
acetonitrile
Conditions | Yield |
---|---|
In acetonitrile heating of 1.8mmol (ReCl3(NO)2)2 in 30ml acetonitrile (formation of sol. (ReCl3(NO)2(CH3CN)), addn. of 3.6mmol NaF amd 0.715ml 15 crown-5; 2h refluxing;; cooling down and concg. of soln.; single crystal;filtn., concgn. of filtrate (20ml); elem. anal.;; | 95% |
aluminium trichloride
15-crown-5
{AlCl2((CH2CH2O)5)}(1+)*AlCl4(1-)={AlCl2((CH2CH2O)5)}{AlCl4}
Conditions | Yield |
---|---|
In tetrahydrofuran all manipulations under dry N2; slowly dissolving AlCl3 in THF, adding 15-crown-5 with stirring, color change from light green to dark green, crystn. (after 30 min); sepg. crystals from the mother soln., drying (vac., 25°C); elem. anal.; | 95% |
15-crown-5
(ScCl2(C10H20O5))(1+)*Cl(1-)=(ScCl2(C10H20O5))Cl
Conditions | Yield |
---|---|
In acetonitrile Sc-compd. was dissolved in MeCN (under dry inert gas), addn. of crown ether; sepn. of precipitate, washing with MeCN, vac. drying at 30°C, elem. anal.; | 95% |
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