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 ch
Cas:628-67-1
Min.Order:1 Kilogram
FOB Price: $3.0
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:628-67-1
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
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:628-67-1
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
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
1,4-diacetoxybutane 1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; Appearance:White Powder Storage:Store in sealed contain
1.In No Less 10 years exporting experience. you 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 Specializ
Cas:628-67-1
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:628-67-1
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
Cas:628-67-1
Min.Order:0
Negotiable
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:628-67-1
Min.Order:100 Gram
FOB Price: $100.0 / 2000.0
Type:Lab/Research institutions
inquiryOur company was built in 2009 with an ISO certificate.In the past 6 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:628-67-1
Min.Order:1 Kilogram
FOB Price: $1000.0
Type:Lab/Research institutions
inquiryProduct Name: 1,4-Butanediol Diacetate Synonyms: Butanedioldiacetate; 1,4-Butylene Diacetate; 1,4-Diacetoxybutane; butane-1,4-diyl diacetate CAS: 111-83-1
factory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B
Cas:628-67-1
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
Type:Trading Company
inquiry628-67-1 Appearance:95%+ Package:R&D,Pilot run Application:628-67-1 Transportation:per client require Port:Express ,Air, Sea
Cas:628-67-1
Min.Order:0 Metric Ton
Negotiable
Type:Manufacturers
inquiryShandong Mopai Biotechnology 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 chemicals. W
1.Applied in food field.it can improve the immune system and prolong life. 2.Appliedin cosmetic field.it can improve the skin care. 3.Applied in pharmaceutical field.it can treat various dieases. 4.Our product quality assurance will make our customer
Cas:628-67-1
Min.Order:1 Metric Ton
FOB Price: $1.5
Type:Trading Company
inquiryTriumph has the complete production of G- KG - MT service chain,we can make the new technology into productivity quickly in the research and development of new products. Main Business Custom Synthesis:
We are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp
Cas:628-67-1
Min.Order:1 Metric Ton
FOB Price: $1.0
Type:Trading Company
inquiry1, High quality with competitive price:2, Fast and safe delivery3.Excellent pre-sales and after-sales service4. Well-trained and professional technologist and sales with rich experience in the field for 5-10 yearsAppearance:see detailed specification
Lower 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
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
1. Product advantages? High purity, all above 98.5%, no impurities after dissolution? We will test each batch to ensure quality? OEM and private brand services designed for free? Various cap colors available? We can also provide MT1 peptide powder2.
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
We are a trading company aiming at providing high-quality services to customers. Established for many years, with good reputation in the industry Storage:Sealed and preserved Application:Fine chemical intermediates, used as the main raw material for
Supply top quality products with a reasonable price Application:api
1,4-Butanediol,1,4-diacetate cas 628-67-1Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Hangzhou ZeErRui Chemical Co., Ltd. is focused on customization, research and development and production of APIs and advanced intermediates, which can effectively compensate for the deficiencies of traditional CRO and CMO. Priority of high-tech barri
Wuhan Xinweiye Chemical Co., Ltd. is mainly engaged in the process development and production of customized synthesis and pharmaceutical intermediates. We have professional researchers in organic synthesis, analytical chemistry and production process
Conditions | Yield |
---|---|
With dilithium tetra(tert-butyl)zincate In toluene at 0℃; for 1h; Inert atmosphere; | 100% |
With steapsin lipase In hexane at 55℃; for 24h; Enzymatic reaction; | 99 %Chromat. |
4-(tetrahydropyran-2-yloxy)butan-1-ol
acetic anhydride
butane-1,4-diol diacetate
Conditions | Yield |
---|---|
With erbium(III) chloride at 50℃; for 0.2h; | 99% |
cerium triflate In acetonitrile at 20℃; for 4h; | 98% |
erbium(III) triflate In acetonitrile at 20℃; for 0.5h; |
acetic anhydride
4-(tert-butyldimethylsiloxy)-1-butanol
butane-1,4-diol diacetate
Conditions | Yield |
---|---|
With erbium(III) chloride at 50℃; for 0.2h; | 99% |
cerium triflate In acetonitrile at 20℃; for 4h; | 98% |
erbium(III) triflate In acetonitrile at 20℃; for 0.333333h; |
Conditions | Yield |
---|---|
With sulfuric acid at 20℃; for 20h; | 98% |
With aminosulfonic acid In acetic acid at 60℃; for 4h; | 97% |
With zinc(II) chloride at 230℃; |
Conditions | Yield |
---|---|
With benzyl tri-n-butylammonium chloride for 5h; Heating; | 98% |
With ethanol |
Conditions | Yield |
---|---|
iron(III) sulfate; silica gel for 8h; Heating; | 98% |
With iodine for 2h; Reflux; chemoselective reaction; | 97% |
With 8Na(1+)*12C4H10NO(1-)*2HO(1-)*2Nd(3+) In hexane at 60℃; for 16h; Molecular sieve; Inert atmosphere; Schlenk technique; | 92% |
With aluminum oxide; monoaluminum phosphate at 25℃; | 90% |
With Novozyme-435 at 20℃; for 24h; Time; Sealed tube; Enzymatic reaction; |
Conditions | Yield |
---|---|
With phosphorus pentoxide; silica gel at 20℃; | 96% |
samarium(III) trifluoromethanesulfonate at 20℃; for 0.25h; | 96% |
aluminium dodecatungsten phosphate at 20℃; for 0.133333h; | 94% |
Conditions | Yield |
---|---|
With sulfonated charcoal In benzene for 5h; Heating; | 95% |
Conditions | Yield |
---|---|
With lanthanum(lll) triflate at 180℃; under 15001.5 Torr; for 5h; Inert atmosphere; | 90.4% |
With sulfuric acid; zinc(II) oxide |
Conditions | Yield |
---|---|
In neat (no solvent) at 20℃; for 1h; | 90% |
Conditions | Yield |
---|---|
In tetrahydrofuran at 20℃; for 4h; Acetylation; | 88.9% |
Conditions | Yield |
---|---|
With palladium on activated charcoal; hydrogen; lanthanum(lll) triflate at 180℃; under 15001.5 Torr; for 5h; | 83.2% |
With palladium 10% on activated carbon; hydrogen; lanthanum(lll) triflate at 180℃; under 19001.3 Torr; for 5h; Reagent/catalyst; Temperature; Pressure; Time; Autoclave; | 68.1% |
2-furanoic acid
acetic acid
A
tetrahydrofuran
B
butane-1,4-diol diacetate
Conditions | Yield |
---|---|
With palladium on activated charcoal; hydrogen; lanthanum(lll) triflate at 180℃; under 15001.5 Torr; for 5h; Autoclave; | A 6% B 83% |
acetyl chloride
2-ethyl-1,2-oxaalumane
A
butane-1,4-diol diacetate
B
ethyl acetate
Conditions | Yield |
---|---|
With oxygen 1.) benzene, 2.) CH2Cl2, 20 deg C, 30 min; 35-40 deg C, 1 h; Yield given. Multistep reaction; | A n/a B 82% |
Butane-1,4-diol
ethyl acetate
A
4-acetoxy-1-butanol
B
butane-1,4-diol diacetate
Conditions | Yield |
---|---|
sodium hydrogen sulfate In hexane at 50℃; for 6h; Product distribution; other catalysts, other reaction time; | A 81% B 5% |
Conditions | Yield |
---|---|
In neat (no solvent) at 20℃; for 1h; | 81% |
Conditions | Yield |
---|---|
With polyethylene glycol 400 at 100 - 110℃; for 8h; | 78% |
at 170℃; |
Conditions | Yield |
---|---|
With indium (III) iodide for 15h; Heating; | 78% |
2-furanoic acid
acetic acid
A
acetic acid butyl ester
B
butane-1,4-diol diacetate
Conditions | Yield |
---|---|
With palladium on activated charcoal; hydrogen; lanthanum(lll) triflate at 190℃; under 15001.5 Torr; for 5h; Catalytic behavior; Reagent/catalyst; Pressure; Temperature; | A 6.8% B 77.8% |
Conditions | Yield |
---|---|
With palladium on activated charcoal; hydrogen; lanthanum(lll) triflate at 180℃; under 15001.5 Torr; for 5h; | 76.4% |
With palladium 10% on activated carbon; hydrogen; lanthanum(lll) triflate at 170℃; under 11400.8 Torr; for 6h; Autoclave; | 60.3% |
tetrahydrofuran
acetic anhydride
A
butane-1,4-diol diacetate
B
4-(4-acetoxybutoxy)butyl acetate
C
1,4-Bis-(4-acetoxy-butyloxy)-butan
Conditions | Yield |
---|---|
With ytterbium(III) triflate at 75 - 80℃; for 1h; | A n/a B 69% C n/a |
Conditions | Yield |
---|---|
With zinc(II) triflate at 150℃; for 24h; | 59% |
Conditions | Yield |
---|---|
With pyridine at 0℃; for 3h; | 26% |
tetrahydrofuran
acetic anhydride
(E)-3-Ureido-but-2-enoic acid ethyl ester
butane-1,4-diol diacetate
Conditions | Yield |
---|---|
at 230℃; |
tetrahydrofuran
acetic anhydride
A
butane-1,4-diol diacetate
B
4-(4-acetoxybutoxy)butyl acetate
Conditions | Yield |
---|---|
With diethyl ether; boron trifluoride |
Conditions | Yield |
---|---|
With ethanol; palladium Hydrogenation; |
Butane-1,4-diol
diethyl ether
tetraacetoxysilane
butane-1,4-diol diacetate
Conditions | Yield |
---|---|
Erhitzen des Reaktionsprodukts; |
1,4-diacetoxy 1,3-butadiene
butane-1,4-diol diacetate
Conditions | Yield |
---|---|
With hydrogen; palladium on activated charcoal In methanol |
butane-1,4-diol diacetate
4-acetoxy-1-butanol
Conditions | Yield |
---|---|
With HY-Zeolite In methanol for 5h; Heating; | 97% |
With sodium hydroxide; phosphate buffer In water for 18h; pH 6.9; | 95% |
1,3-disubstituted tetraalkyldistannoxane (X = Y = Cl) In methanol; chloroform for 48h; Ambient temperature; Yield given; |
4-acetoxy-1-butanol
butane-1,4-diol diacetate
acetic acid 4-nitryloxybutyl ester
Conditions | Yield |
---|---|
With sulfuric acid; nitric acid In dichloromethane; water at 25℃; | 93% |
Conditions | Yield |
---|---|
With sodium hydroxide In ethanol for 2h; Reflux; | 60% |
With hydrogenchloride; methanol; ethanol |
Conditions | Yield |
---|---|
With dilithium tetra(tert-butyl)zincate In toluene at 0℃; for 1h; Inert atmosphere; | 100% |
With steapsin lipase In hexane at 55℃; for 24h; Enzymatic reaction; | 99 %Chromat. |
4-(tetrahydropyran-2-yloxy)butan-1-ol
acetic anhydride
butane-1,4-diol diacetate
Conditions | Yield |
---|---|
With erbium(III) chloride at 50℃; for 0.2h; | 99% |
cerium triflate In acetonitrile at 20℃; for 4h; | 98% |
erbium(III) triflate In acetonitrile at 20℃; for 0.5h; |
acetic anhydride
4-(tert-butyldimethylsiloxy)-1-butanol
butane-1,4-diol diacetate
Conditions | Yield |
---|---|
With erbium(III) chloride at 50℃; for 0.2h; | 99% |
cerium triflate In acetonitrile at 20℃; for 4h; | 98% |
erbium(III) triflate In acetonitrile at 20℃; for 0.333333h; |
Conditions | Yield |
---|---|
With sulfuric acid at 20℃; for 20h; | 98% |
With aminosulfonic acid In acetic acid at 60℃; for 4h; | 97% |
With zinc(II) chloride at 230℃; |
Conditions | Yield |
---|---|
With benzyl tri-n-butylammonium chloride for 5h; Heating; | 98% |
With ethanol |
Conditions | Yield |
---|---|
iron(III) sulfate; silica gel for 8h; Heating; | 98% |
With iodine for 2h; Reflux; chemoselective reaction; | 97% |
With 8Na(1+)*12C4H10NO(1-)*2HO(1-)*2Nd(3+) In hexane at 60℃; for 16h; Molecular sieve; Inert atmosphere; Schlenk technique; | 92% |
With aluminum oxide; monoaluminum phosphate at 25℃; | 90% |
With Novozyme-435 at 20℃; for 24h; Time; Sealed tube; Enzymatic reaction; |
Conditions | Yield |
---|---|
With phosphorus pentoxide; silica gel at 20℃; | 96% |
samarium(III) trifluoromethanesulfonate at 20℃; for 0.25h; | 96% |
aluminium dodecatungsten phosphate at 20℃; for 0.133333h; | 94% |
Conditions | Yield |
---|---|
With sulfonated charcoal In benzene for 5h; Heating; | 95% |
Conditions | Yield |
---|---|
With lanthanum(lll) triflate at 180℃; under 15001.5 Torr; for 5h; Inert atmosphere; | 90.4% |
With sulfuric acid; zinc(II) oxide |
Conditions | Yield |
---|---|
In neat (no solvent) at 20℃; for 1h; | 90% |
Conditions | Yield |
---|---|
In tetrahydrofuran at 20℃; for 4h; Acetylation; | 88.9% |
Conditions | Yield |
---|---|
With palladium on activated charcoal; hydrogen; lanthanum(lll) triflate at 180℃; under 15001.5 Torr; for 5h; | 83.2% |
With palladium 10% on activated carbon; hydrogen; lanthanum(lll) triflate at 180℃; under 19001.3 Torr; for 5h; Reagent/catalyst; Temperature; Pressure; Time; Autoclave; | 68.1% |
2-furanoic acid
acetic acid
A
tetrahydrofuran
B
butane-1,4-diol diacetate
Conditions | Yield |
---|---|
With palladium on activated charcoal; hydrogen; lanthanum(lll) triflate at 180℃; under 15001.5 Torr; for 5h; Autoclave; | A 6% B 83% |
acetyl chloride
2-ethyl-1,2-oxaalumane
A
butane-1,4-diol diacetate
B
ethyl acetate
Conditions | Yield |
---|---|
With oxygen 1.) benzene, 2.) CH2Cl2, 20 deg C, 30 min; 35-40 deg C, 1 h; Yield given. Multistep reaction; | A n/a B 82% |
Butane-1,4-diol
ethyl acetate
A
4-acetoxy-1-butanol
B
butane-1,4-diol diacetate
Conditions | Yield |
---|---|
sodium hydrogen sulfate In hexane at 50℃; for 6h; Product distribution; other catalysts, other reaction time; | A 81% B 5% |
Conditions | Yield |
---|---|
In neat (no solvent) at 20℃; for 1h; | 81% |
Conditions | Yield |
---|---|
With polyethylene glycol 400 at 100 - 110℃; for 8h; | 78% |
at 170℃; |
Conditions | Yield |
---|---|
With indium (III) iodide for 15h; Heating; | 78% |
2-furanoic acid
acetic acid
A
acetic acid butyl ester
B
butane-1,4-diol diacetate
Conditions | Yield |
---|---|
With palladium on activated charcoal; hydrogen; lanthanum(lll) triflate at 190℃; under 15001.5 Torr; for 5h; Catalytic behavior; Reagent/catalyst; Pressure; Temperature; | A 6.8% B 77.8% |
Conditions | Yield |
---|---|
With palladium on activated charcoal; hydrogen; lanthanum(lll) triflate at 180℃; under 15001.5 Torr; for 5h; | 76.4% |
With palladium 10% on activated carbon; hydrogen; lanthanum(lll) triflate at 170℃; under 11400.8 Torr; for 6h; Autoclave; | 60.3% |
tetrahydrofuran
acetic anhydride
A
butane-1,4-diol diacetate
B
4-(4-acetoxybutoxy)butyl acetate
C
1,4-Bis-(4-acetoxy-butyloxy)-butan
Conditions | Yield |
---|---|
With ytterbium(III) triflate at 75 - 80℃; for 1h; | A n/a B 69% C n/a |
Conditions | Yield |
---|---|
With zinc(II) triflate at 150℃; for 24h; | 59% |
Conditions | Yield |
---|---|
With pyridine at 0℃; for 3h; | 26% |
tetrahydrofuran
acetic anhydride
(E)-3-Ureido-but-2-enoic acid ethyl ester
butane-1,4-diol diacetate
Conditions | Yield |
---|---|
at 230℃; |
tetrahydrofuran
acetic anhydride
A
butane-1,4-diol diacetate
B
4-(4-acetoxybutoxy)butyl acetate
Conditions | Yield |
---|---|
With diethyl ether; boron trifluoride |
Conditions | Yield |
---|---|
With ethanol; palladium Hydrogenation; |
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