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:627-03-2
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:627-03-2
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
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 o
Cas:627-03-2
Min.Order:1 Metric Ton
Negotiable
Type:Lab/Research institutions
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:627-03-2
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiryProduct Name: Ethoxyacetic acid CAS No.: 623-53-0 Molecular Formula: C4H8O3 EINECS: 210-978-2 Purity: &g
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:627-03-2
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
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 presen
Henan 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
Our 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
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
Cas:627-03-2
Min.Order:0 Metric Ton
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
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
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:627-03-2
Min.Order:1 Gram
FOB Price: $1.0
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:627-03-2
Min.Order:100 Gram
FOB Price: $100.0 / 2000.0
Type:Lab/Research institutions
inquiryProduct name: Ethoxyacetic Acid CAS No.:627-03-2 Molecule Formula: C4H8O3 Molecule Weight:104.10 Purity: 99.0% Package: 25kg/drum Description:Colorless transparent liquid Manufacture Standards:Enterprise Standard TESTING ITEMS
Cas:627-03-2
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryfactory?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:627-03-2
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
Type:Trading Company
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
Hangzhou Huarong Pharm Co., Ltd.established since 2006 , has been actively developing specialty products for Finished Dosages, APIs, Intermediates, and Fine chemicals markets in North America, Europe, Korea, Japan, Mid-East and all over the World. Hu
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
Appearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
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
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 purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou
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.A strong technical force and advanced processing equipments. The quality of the products has been strictly inspected and all kinds of index have reached or exceeded domestic and international standards.2. Now we have established long-term stable re
Cas:627-03-2
Min.Order:0
Negotiable
Type:Other
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 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
Ethoxyacetic acid cas 627-03-2Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
Best quality with low priceAppearance:clear slightly yellow liquid Storage:ln stock Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Shanghai
Conditions | Yield |
---|---|
With sodium persulfate; sodium bis(1,2-dicarbollyl)cobaltate(III); potassium carbonate In water for 8h; pH=7; Irradiation; | 97% |
With sodium hydroxide; potassium hexacyanoferrate(III) at 30℃; Kinetics; Further Variations:; substrate and reagents concentration dependence; Oxidation; | |
With Jones reagent In acetone at 20℃; | |
With sodium hydroxide; cadmium(II) oxide at 225 - 250℃; im Kupferautoklaven; | |
With sodium persulfate; C25H21N5ORu(2+)*2C4H22B18Co(1-); potassium carbonate In water at 20℃; for 8h; Catalytic behavior; Inert atmosphere; UV-irradiation; |
Conditions | Yield |
---|---|
Stage #1: ethanol With sodium at 60℃; Stage #2: sodium monochloroacetic acid With N-benzyl-N,N,N-triethylammonium chloride for 8h; Reflux; | 76% |
With sodium hydride |
Conditions | Yield |
---|---|
In ethanol | 70% |
Conditions | Yield |
---|---|
With sodium ethanolate at 80℃; for 0.166667h; | 61% |
With sodium hydride 1.) 1 h, 2.) reflux, 1 h; Yield given. Multistep reaction; | |
With sodium ethanolate Reflux; |
Conditions | Yield |
---|---|
With lithium hydroxide monohydrate; water In tetrahydrofuran at 20℃; for 12h; | 5% |
2-ethoxyacetonitrile
3-oxapentanoic acid
Conditions | Yield |
---|---|
With hydrogenchloride |
ethoxyacetaldehyde
3-oxapentanoic acid
Conditions | Yield |
---|---|
With barium dihydroxide; silver nitrate |
ethoxyethylamide
3-oxapentanoic acid
Conditions | Yield |
---|---|
With nitrogen oxides at 90℃; |
3-oxapentanoic acid
Conditions | Yield |
---|---|
With chloroform; ozone und Zersetzung des Ozonidgemisches mit warmem Wasser; |
1-ethoxy-2,4-pentanedione
A
ethoxy-2-propanone
B
3-oxapentanoic acid
C
acetic acid
D
acetone
Conditions | Yield |
---|---|
Hydrolysis; |
Conditions | Yield |
---|---|
In tetrahydrofuran at -60℃; |
carbon monoxide
orthoformic acid triethyl ester
A
diethyl ether
B
formaldehyde diethyl acetal
C
3-oxapentanoic acid
D
ethyl 2-ethoxyethanoate
E
Ethyl propionate
F
formic acid ethyl ester
Conditions | Yield |
---|---|
With rhodium(III) chloride; hydrogen; methyl iodide; dicarbonyldiiodorhodate(I) anion at 170℃; under 60004.8 Torr; Product distribution; Mechanism; var. temp.; H2/CO ratio and catalysts (chlorocarbonylrhodium; carbonylrhodium); | A 29.3 mmol B 135.2 mmol C 3.3 mmol D 4.5 mmol E 22.1 mmol F 55.0 mmol |
A
ethyl 2-ethoxyglycolate
B
3-oxapentanoic acid
Conditions | Yield |
---|---|
With pancrease lipase In hexane; water at 30℃; for 2h; |
Conditions | Yield |
---|---|
With tert.-butylhydroperoxide; triphenylbismuthane at 10 - 15℃; for 20h; Product distribution; various reaction times; |
Conditions | Yield |
---|---|
With 4,4'-di-tert-butylbiphenyl; lithium 1.) THF, -90 deg C, 2.) THF, from -90 deg C to -60 deg C, 4 h; Yield given. Multistep reaction; |
1,4-diethoxy-2-chloro-but-2-ene
3-oxapentanoic acid
Conditions | Yield |
---|---|
With ethanol |
ethyl 2-ethoxyethanoate
hydrogen bromide
A
glycolic Acid
B
3-oxapentanoic acid
Conditions | Yield |
---|---|
at 100℃; |
Conditions | Yield |
---|---|
und nachfolgendes Zersetzung des Reaktionsprodukts mit warmem Wasser; |
N-ethoxyacetyl-N'-ethoxymethyl-urea
A
formaldehyd
B
ethanol
C
3-oxapentanoic acid
D
ammonia
Conditions | Yield |
---|---|
Produkt 5:Kohlensaeure; |
N-ethoxyacetyl-N'-ethoxymethyl-urea
A
formaldehyd
B
ethanol
C
3-oxapentanoic acid
D
ammonia
Conditions | Yield |
---|---|
Produkt 5:Kohlensaeure; |
ethyl-hexa-2,3,4-trienyl ether
ozone
A
formic acid
B
3-oxapentanoic acid
C
acetic acid
Conditions | Yield |
---|---|
With pyridine; O-phenyl phosphorodichloridate In 1,2-dimethoxyethane for 16h; Ambient temperature; | 100% |
7-methyl-3-(3-trifluoromethylphenyl)-5,6,7,8-tetrahydrocinnoline-5-ol
3-oxapentanoic acid
Conditions | Yield |
---|---|
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In 1-methyl-pyrrolidin-2-one; DMF (N,N-dimethyl-formamide) at 20℃; | 98.8% |
Conditions | Yield |
---|---|
With caesium carbonate In N,N-dimethyl-formamide at 0 - 90℃; for 1.5h; | 97% |
3-oxapentanoic acid
dehydroepiandrosterone
3β-(3'-oxapentanoyloxy)-androst-5-en-17-one
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In chloroform at 20℃; for 2h; | 96.1% |
3-oxapentanoic acid
2,3,16-tri-O-2'-ethoxyacetyl-hemslecin A
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 20℃; | 93% |
3-oxapentanoic acid
5β,6β-epoxy-hemslecin A
2,3,16-tri-O-2'-ethoxyacetyl-5β,6β-epoxy-hemslecin A
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 20℃; | 93% |
3-oxapentanoic acid
ethoxyacetyl chloride
Conditions | Yield |
---|---|
With thionyl chloride In dichloromethane at 4 - 20℃; for 2h; | 92% |
With oxalyl dichloride; N,N-dimethyl-formamide In dichloromethane at 0 - 25℃; for 2h; | 76.42% |
With thionyl chloride In dichloromethane at 0 - 20℃; for 2h; | 75% |
Conditions | Yield |
---|---|
With thionyl chloride at 0℃; | 91% |
With sulfuric acid |
3-oxapentanoic acid
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 20℃; for 6h; | 91% |
Conditions | Yield |
---|---|
With boric acid In toluene for 4h; Dean-Stark; Reflux; Green chemistry; chemoselective reaction; | 90% |
3-oxapentanoic acid
2-<5-amino-2-(trifluoromethyl)phenyl>-5-n-butyl-4-<<2'-(N-tert-butylsulfamoyl)-3-fluorobiphenyl-4-yl>methyl>-2,4-dihydro-3H-1,2,4-triazol-3-one
5-n-butyl-4-<<2'-(N-tert-butylsulfamoyl)-3-fluorobiphenyl-4-yl>methyl>-2,4-dihydro-2-<5-<(ethoxyacetyl)amino>-2-(trifluoromethyl)phenyl>-3H-1,2,4-triazol-3-one
Conditions | Yield |
---|---|
With (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate; triethylamine In dichloromethane Ambient temperature; | 88% |
oxalyl dichloride
3-oxapentanoic acid
pomalidomide
N-[2-(2,6-dioxo-piperidin-3-yl)-1,3-dioxo-2,3-dihydro-1H-isoindol-4-yl]-2-ethoxy-acetamide
Conditions | Yield |
---|---|
In tetrahydrofuran; methanol; N,N-dimethyl-formamide | 87% |
In tetrahydrofuran; methanol; N,N-dimethyl-formamide | 87% |
3-oxapentanoic acid
11,23,24-tri-O-acetyl-alisol A
11,23,24-tri-O-acetyl-25-ethoxyacetyl-alisol A
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 0 - 20℃; | 87% |
4-amino-5-chloro-2,1,3-benzothiadiazole
3-oxapentanoic acid
N-acetyl-2-ethylthio-2-imidazoline
Conditions | Yield |
---|---|
In methanol; N,N-dimethyl-formamide at -5 - 70℃; for 24h; | 86.5% |
(8E,12E,14E)-7-acetoxy-3-t-butyldimethylsiloxy-6,21-dihydroxy-6,10,12,16,20-pentamethyl-18,19-epoxytricosa-8,12,14-trien-11-olide
3-oxapentanoic acid
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 20℃; for 4h; | 85% |
Conditions | Yield |
---|---|
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃; for 20h; | 84.7% |
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 20℃; for 12h; | 83% |
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 0 - 20℃; | 81.7% |
Conditions | Yield |
---|---|
In methanol; water inert atmosphere; in 50% MeOH, excess carboxylic acid, refluxing for 4 h, evapn. (vac.), washing (petroleum ether), refluxing with fresh ligand in 50% MeOH for 4 h; evapn., recrystn. (CH2Cl2/petroleum ether, then aq. MeOH); elem. anal.; | 81% |
3-oxapentanoic acid
11,23,24-tri-O-2'-ethoxyacetyl-alisol A
11,23,24,25-tetra-O-2'-ethoxyacetyl-alisol A
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 0 - 20℃; | 81% |
3-oxapentanoic acid
22,23-dihydrocucurbitacin F
A
C42H66O13
B
C46H72O15
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 20℃; | A 80% B 24% |
3-oxapentanoic acid
Conditions | Yield |
---|---|
With benzotriazol-1-ol; bromoacetic acid; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃; for 12h; | 80% |
3-oxapentanoic acid
13β,17β-epoxy-alisol A
11,23,24,25-tetra-O-2'-ethoxyacetyl-13β,17β-epoxy-alisol A
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 0 - 20℃; | 79% |
Conditions | Yield |
---|---|
With sulfuric acid at 100℃; for 2h; Inert atmosphere; | 78% |
With toluene-4-sulfonic acid for 12h; Reflux; | 73% |
With hydrogenchloride | |
With sulfuric acid; benzene |
3-oxapentanoic acid
ethyl 2-bromo-2-ethoxy-acetate
Conditions | Yield |
---|---|
With triethylamine In dichloromethane for 4h; Heating; | 78% |
Conditions | Yield |
---|---|
With cerium(III) chloride heptahydrate; tetrabutyl-ammonium chloride In 2,2,2-trifluoroethanol for 17h; Schlenk technique; Inert atmosphere; Electrochemical reaction; Irradiation; | 78% |
3-oxapentanoic acid
7-deacetyl forskolin
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In ethyl acetate for 3h; Ambient temperature; | A 76.23% B 11% |
Conditions | Yield |
---|---|
for 12h; Reflux; | 76% |
With hydrogenchloride |
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