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:138-22-7
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:138-22-7
Min.Order:1 Kilogram
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Type:Manufacturers
inquiryThe company has a professional R & D team, mature technology, very competitive prices and stable high quality products for customers to order high quality and low price product efforts! Appearance:White or off-white Solid Storage:Sealed, dr
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
1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s
Cas:138-22-7
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
inquiryColorcom is a global leader in industrial chemical manufacturing and is continuously innovating and transforming to exceed client expectations and industry standards. Colorcom prides itself on superior customer and technical focus, while focusing on
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
Overview of Our Factories Our Factories production lines Our Factories R&D ability Our Factories warehouse Our Factorie
Cas:138-22-7
Min.Order:1 Kilogram
FOB Price: $30.0 / 35.0
Type:Trading Company
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:138-22-7
Min.Order:1 Kilogram
FOB Price: $1.0 / 10.0
Type:Trading Company
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:138-22-7
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiry1. 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 powd
Product Name: Butyl lactate Synonyms: N-BUTYL LACTATE;Butyl2-hydroxypropionicacid;butylalpha-hydroxypropionate;Butylester kyseliny mlecne;butylesterkyselinymlecne;lactatedebutylenormale;Propanoicacid,2-hydr
Appearance:Colorless transparent liquid Storage:ln stock Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Any port in china
1.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:138-22-7
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryWe are the manufacturers and suppliers of API in China, and warehouse in Germany and USA of California, which can quickly and safely deliver to your address 1.High quality and competitive price. 2.Free sample for your evaluation. 3.Promptly delivery
Cas:138-22-7
Min.Order:10 Gram
FOB Price: $3.5
Type:Trading Company
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 Appearance:liquid Storage:Refer to COA / MSDS Package:Fact
Cas:138-22-7
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryButyl lactate CAS:138-22-7 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 intermediate
Cas:138-22-7
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:138-22-7
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryProduct Detail Minimum Order Qty. 10 Gram
Cas:138-22-7
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
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
Appearance:off-white to white solid Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used for Synthesis API and Research Transportation:By Sea/Air/Courier Port:Qingdao
Cas:138-22-7
Min.Order:0 Metric Ton
Negotiable
Type:Lab/Research institutions
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
superior quality moderate price & quick delivery Appearance:CLEAR COLOURLESS LIQUID Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:1kg/bag, 1kg/drum or 25kg/drum or as per your request. Application:Used as a
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
J&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:138-22-7
Min.Order:0
Negotiable
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:138-22-7
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
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.
Cas:138-22-7
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryGMP standard, high purity, competitive price, in stock 1. Quick Response: within 6 hours after receiving your email. 2. Quality Guarantee: All products are strictly tested by our QC, confirmed by QA, and approved by a third-party lab in China, USA,
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:138-22-7
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
Type:Trading Company
inquiryConditions | Yield |
---|---|
stannous octoate; Nafion-H at 145℃; for 7h; Product distribution / selectivity; | 99.5% |
With sulfuric acid |
Conditions | Yield |
---|---|
With dichromic acid at 105 - 110℃; for 3h; Green chemistry; Large scale; | 99% |
With 3H(1+)*O40SiW12(4-)*C21H22O3PS(1+) Reflux; Dean-Stark; | 96.5% |
iodine for 20h; Heating; | 95% |
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid at 120℃; under 760.051 Torr; for 12h; Time; | 98% |
for 6h; Dean-Stark; Reflux; | 46 %Chromat. |
With tin(II) oxide In 5,5-dimethyl-1,3-cyclohexadiene; water at 120℃; Reagent/catalyst; Dean-Stark; |
Conditions | Yield |
---|---|
Stage #1: LACTIC ACID With potassium carbonate In water at 20 - 90℃; for 1h; Stage #2: 1-bromo-butane at 20 - 40℃; for 8h; Reagent/catalyst; Temperature; | 97.5% |
LACTIC ACID
butan-1-ol
A
2-lactoyloxy-propionic acid butyl ester
B
n-butyl lactate
Conditions | Yield |
---|---|
aluminium(III) triflate In iso-tridecanol; di-isopropyl ether; water at 66 - 120℃; under 150.015 - 7500.75 Torr; for 6h; Conversion of starting material; | A 4% B 95% |
n-butyl lactate
Conditions | Yield |
---|---|
With dibromotriphenylphosphorane In dichloromethane at -50℃; for 3h; | 94% |
Conditions | Yield |
---|---|
With tin (IV) chloride pentahydrate at 110℃; for 6h; | 88.4% |
Conditions | Yield |
---|---|
aluminium(III) triflate at 120 - 140℃; under 37.5038 - 7500.75 Torr; for 1.5 - 6h; Conversion of starting material; | 70.9% |
zirconium(IV) triflate at 120 - 140℃; under 37.5038 - 7500.75 Torr; for 1 - 6h; Conversion of starting material; | 46.6% |
Conditions | Yield |
---|---|
Sn-BEA at 160℃; under 15001.5 Torr; Inert atmosphere of argon; | A 26% B 8% |
Sn-BEA at 160℃; for 20h; Inert atmosphere; autoclave; | A 26% B 8% |
LACTIC ACID
n-butyl lactate
Conditions | Yield |
---|---|
at 100 - 120℃; unter vermindertem Druck; man kocht 25 Stdn. mit Butylalkohol; |
Conditions | Yield |
---|---|
With 2-(diethylamine)ethanethiol | |
With titanium-silicon molecular sieve TS-1; tin-silicon molecular sieve Sn-Beta at 60℃; for 7h; |
Conditions | Yield |
---|---|
With sulfuric acid; benzene unter azeotropem Abdestillieren des Reaktionswassers; | |
With sulfuric acid; toluene unter azeotropem Abdestillieren des Reaktionswassers; |
Conditions | Yield |
---|---|
With sulfuric acid; benzene unter azeotropem Abdestillieren des Reaktionswassers; | |
With sulfuric acid; toluene unter azeotropem Abdestillieren des Reaktionswassers; |
Conditions | Yield |
---|---|
In diethyl ether Heating; |
Conditions | Yield |
---|---|
With water und Entfernen des entstehenden Wassers und Ammoniaks; |
Glyceraldehyde
butan-1-ol
A
1,1-dibutoxy-2-propanone
B
n-butyl lactate
Conditions | Yield |
---|---|
tin(IV) chloride at 90℃; for 1h; | A n/a B 82 % Chromat. |
2-oxopropanal
butan-1-ol
A
1,1-dibutoxy-2-propanone
B
n-butyl lactate
Conditions | Yield |
---|---|
tin(ll) chloride at 90℃; for 3h; | A n/a B 78 % Chromat. |
dihydroxyacetone
butan-1-ol
A
1,1-dibutoxy-2-propanone
B
n-butyl lactate
Conditions | Yield |
---|---|
tin(IV) chloride at 90℃; for 1h; | A n/a B 91 % Chromat. |
With Zeolite USY CBV 600 at 109.84℃; for 4h; Autoclave; | A 28 %Chromat. B 71 %Chromat. |
Conditions | Yield |
---|---|
aluminium(III) triflate at 125 - 145℃; under 37.5038 - 7500.75 Torr; Conversion of starting material; |
Conditions | Yield |
---|---|
In diethylene glycol dimethyl ether |
n-butyl pyruvate
n-butyl lactate
Conditions | Yield |
---|---|
With Streptomyces avermitilis α-keto ester reductase I, Mr 71.6 kDa by gel filtration; NAD at 37℃; for 6h; aq. phosphate buffer; |
Conditions | Yield |
---|---|
for 24h; |
Conditions | Yield |
---|---|
stannous octoate; Nafion-H at 145℃; for 7h; Product distribution / selectivity; | 99.5% |
With sulfuric acid |
Conditions | Yield |
---|---|
With dichromic acid at 105 - 110℃; for 3h; Green chemistry; Large scale; | 99% |
With 3H(1+)*O40SiW12(4-)*C21H22O3PS(1+) Reflux; Dean-Stark; | 96.5% |
iodine for 20h; Heating; | 95% |
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid at 120℃; under 760.051 Torr; for 12h; Time; | 98% |
for 6h; Dean-Stark; Reflux; | 46 %Chromat. |
With tin(II) oxide In 5,5-dimethyl-1,3-cyclohexadiene; water at 120℃; Reagent/catalyst; Dean-Stark; |
Conditions | Yield |
---|---|
Stage #1: LACTIC ACID With potassium carbonate In water at 20 - 90℃; for 1h; Stage #2: 1-bromo-butane at 20 - 40℃; for 8h; Reagent/catalyst; Temperature; | 97.5% |
LACTIC ACID
butan-1-ol
A
2-lactoyloxy-propionic acid butyl ester
B
n-butyl lactate
Conditions | Yield |
---|---|
aluminium(III) triflate In iso-tridecanol; di-isopropyl ether; water at 66 - 120℃; under 150.015 - 7500.75 Torr; for 6h; Conversion of starting material; | A 4% B 95% |
n-butyl lactate
Conditions | Yield |
---|---|
With dibromotriphenylphosphorane In dichloromethane at -50℃; for 3h; | 94% |
Conditions | Yield |
---|---|
With tin (IV) chloride pentahydrate at 110℃; for 6h; | 88.4% |
Conditions | Yield |
---|---|
aluminium(III) triflate at 120 - 140℃; under 37.5038 - 7500.75 Torr; for 1.5 - 6h; Conversion of starting material; | 70.9% |
zirconium(IV) triflate at 120 - 140℃; under 37.5038 - 7500.75 Torr; for 1 - 6h; Conversion of starting material; | 46.6% |
Conditions | Yield |
---|---|
Sn-BEA at 160℃; under 15001.5 Torr; Inert atmosphere of argon; | A 26% B 8% |
Sn-BEA at 160℃; for 20h; Inert atmosphere; autoclave; | A 26% B 8% |
LACTIC ACID
n-butyl lactate
Conditions | Yield |
---|---|
at 100 - 120℃; unter vermindertem Druck; man kocht 25 Stdn. mit Butylalkohol; |
Conditions | Yield |
---|---|
With 2-(diethylamine)ethanethiol | |
With titanium-silicon molecular sieve TS-1; tin-silicon molecular sieve Sn-Beta at 60℃; for 7h; |
Conditions | Yield |
---|---|
With sulfuric acid; benzene unter azeotropem Abdestillieren des Reaktionswassers; | |
With sulfuric acid; toluene unter azeotropem Abdestillieren des Reaktionswassers; |
Conditions | Yield |
---|---|
With sulfuric acid; benzene unter azeotropem Abdestillieren des Reaktionswassers; | |
With sulfuric acid; toluene unter azeotropem Abdestillieren des Reaktionswassers; |
Conditions | Yield |
---|---|
In diethyl ether Heating; |
Conditions | Yield |
---|---|
With water und Entfernen des entstehenden Wassers und Ammoniaks; |
Glyceraldehyde
butan-1-ol
A
1,1-dibutoxy-2-propanone
B
n-butyl lactate
Conditions | Yield |
---|---|
tin(IV) chloride at 90℃; for 1h; | A n/a B 82 % Chromat. |
2-oxopropanal
butan-1-ol
A
1,1-dibutoxy-2-propanone
B
n-butyl lactate
Conditions | Yield |
---|---|
tin(ll) chloride at 90℃; for 3h; | A n/a B 78 % Chromat. |
dihydroxyacetone
butan-1-ol
A
1,1-dibutoxy-2-propanone
B
n-butyl lactate
Conditions | Yield |
---|---|
tin(IV) chloride at 90℃; for 1h; | A n/a B 91 % Chromat. |
With Zeolite USY CBV 600 at 109.84℃; for 4h; Autoclave; | A 28 %Chromat. B 71 %Chromat. |
Conditions | Yield |
---|---|
aluminium(III) triflate at 125 - 145℃; under 37.5038 - 7500.75 Torr; Conversion of starting material; |
Conditions | Yield |
---|---|
In diethylene glycol dimethyl ether |
n-butyl pyruvate
n-butyl lactate
Conditions | Yield |
---|---|
With Streptomyces avermitilis α-keto ester reductase I, Mr 71.6 kDa by gel filtration; NAD at 37℃; for 6h; aq. phosphate buffer; |
Conditions | Yield |
---|---|
for 24h; |
A
furfural
B
5-Methylfurfural
C
3-methyl-furan-2,4-dione
D
2-(diethoxymethyl)furan
E
n-butyl lactate
F
acetic acid butyl ester
G
levulinic acid methyl ester
H
methyl 3-hydroxyhexanoate
I
methyl 3-methylenecyclopentane-1-carboxylate
J
levulinic acid
Conditions | Yield |
---|---|
With 1-methyl-3-(4-sulfobutyl)-1H-imidazol-3-ium hydrogensulfate; 1-butyl-3-methylimidazolium chloride In methanol; hexane at 19.84 - 199.84℃; pH=0.09; Mechanism; Reagent/catalyst; Temperature; pH-value; Autoclave; Inert atmosphere; chemoselective reaction; | A n/a B n/a C n/a D 45.8 %Chromat. E n/a F n/a G n/a H n/a I n/a J n/a |
Conditions | Yield |
---|---|
Stage #1: D-xylose With sodium hydroxide In water for 4h; Heating; Stage #2: butan-1-ol With hydrogenchloride In water at 106℃; for 4h; pH=1; Dean-Stark; Reflux; | 35.6 %Chromat. |
1,6-anhydro-2,2',3,3',4',6'-hexa-O-acetyl-β-D-lactose
n-butyl lactate
Conditions | Yield |
---|---|
In [(2)H6]acetone |
n-butyl lactate
Conditions | Yield |
---|---|
Stage #1: lactic acid-triethylamine complex at 170℃; Dean-Stark; Stage #2: butan-1-ol for 24h; Reflux; | 42 %Chromat. |
Conditions | Yield |
---|---|
With tungsten(VI) oxide at 160℃; under 3750.38 Torr; for 5h; Reagent/catalyst; Inert atmosphere; Autoclave; | 23 %Chromat. |
Conditions | Yield |
---|---|
at 180℃; for 8h; Time; |
n-butyl lactate
n-butyl pyruvate
Conditions | Yield |
---|---|
With hydrogenchloride; sodium hypobromide In dichloromethane; water at 25℃; for 5h; | 96% |
With silica gel supported bis(trimethylsilyl) chromate In dichloromethane at 25℃; for 0.333333h; | 83% |
With air at 180℃; | |
Oxidation; |
Conditions | Yield |
---|---|
With hydrogenchloride; sodium thiosulfate In dichloromethane | 94% |
With sodium hydrogencarbonate; sodium thiosulfate In dichloromethane; water | 132.5g (92%yield) |
Conditions | Yield |
---|---|
With oxalic acid diethyl ester at 130℃; under 760.051 Torr; for 5h; Reagent/catalyst; Temperature; | 90.2% |
Conditions | Yield |
---|---|
iodine for 15h; Heating; | 90% |
Conditions | Yield |
---|---|
With Amberlyst 15 hydrogen form for 2h; Reagent/catalyst; Reflux; | 88% |
Conditions | Yield |
---|---|
With hydrogen In ethanol at 220℃; under 37503.8 Torr; for 12h; Catalytic behavior; | 67% |
With hydrogen at 220℃; under 37503.8 Torr; for 12h; | 67% |
n-butyl lactate
carbon monoxide
Conditions | Yield |
---|---|
With di(rhodium)tetracarbonyl dichloride; tris(pentafluorophenyl)phosphine In 1,2-dichloro-benzene at 130℃; under 760.051 Torr; for 36h; Glovebox; | 67% |
Conditions | Yield |
---|---|
With tin(II) chloride dihdyrate at 200℃; under 20627.1 Torr; for 3h; | 60% |
Conditions | Yield |
---|---|
With immobilized lipase B from Candida antarctica In neat (no solvent) at 65℃; for 9h; Temperature; Resolution of racemate; Large scale; Enzymatic reaction; enantioselective reaction; | A 48% B 48% |
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