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
Cas:4480-83-5
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 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:4480-83-5
Min.Order:1 Kilogram
FOB Price: $2000.0
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:4480-83-5
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 ♦ W
Cas:4480-83-5
Min.Order:1 Kilogram
FOB Price: $289.0 / 499.0
Type:Trading Company
inquiryName: Diglycolic anhydride Synonyms: 1,4-Dioxane-2,6-dione CAS: 4480-83-5 MF: C4H4O4 Appearance:Colorless Clear Liquid Storage:Preserve in well-closed, light-resistant and airtight containers. Package:25KG/Drum Application:Organic Chemicals Transp
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:4480-83-5
Min.Order:1 Gram
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
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
Company Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments
Cas:4480-83-5
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryThe 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
Cas:4480-83-5
Min.Order:0 Metric Ton
Negotiable
Type:Other
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
Product Name: Diglycolic anhydride Synonyms: DIGLYCOLIC ANHYDRIDE;DIGLYCOLIC ANHYDRIDE, TECH., 90%;Diglycolicanhydride,95%;Acetic acid, 2,2'-oxybis-, cyclic anhydride;Acetic acid, oxydi-, cyclic anhydride;Diglycolic acid anhydride;Oxydiacet
Cas:4480-83-5
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryWe Huarong Pharm can provide Customized Synthesis & Process R&D & APIs and intermediates Production & Quality Research & Registration Application, especially our GMP validation service which complies with SFDA, FDA, WHO and EU EMPA. O
Zhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice. pls contact with us freely for getting detailed
Cas:4480-83-5
Min.Order:1 Kilogram
FOB Price: $2.0
Type:Lab/Research institutions
inquiryHigh quality,stable supply chain.Appearance:white/off-white or light yellow Storage:Store in cool and dry place, keep away from strong light and heat. Package:aluminum bottle,glass bottle,PTFE bottle,cardboard drum Application:This product can be use
Stock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Cas:4480-83-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryhigh 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 purity,in stock Package:25kg/drum,or as per customers'demand Application:API,or Intermediates,fine chemicals Transportation:air,sea,courier
Acmec is a leading manufacturer and supplier of biochemical reagents and life science products. We have over 40,000 items in stock (real-time inventory) and offer discounted prices to registered members of the online store ( www.acmec.com.cn ) Appea
Cas:4480-83-5
Min.Order:1 bottle
Negotiable
Type:Lab/Research institutions
inquiryhigh 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
Our clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS
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
Amoychem is committed to providing the top-quality chemical products and services Internationally. We offer our customers with friendly, professional service and reliable, high performance products that have been manufactured according to the accredi
We product this chemical more than 10 years . We are very experience to export it to many countries, Our superior & stable quality , competitive price gain warm reception from our customers. Application:Chemical intermediate
We are committed to providing our customers with the best products and services at the most competitive prices.Appearance:white crystalline powder Storage:Room temperature with sealed well Package:according to the clients requirement Application:Use
Diglycolic anhydrideAppearance: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:COA Storage:ln stock Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Shanghai
good quality, competitive price, thoughtful after sale serviceAppearance:white powder Storage:Keep it in dry,shady and cool place Package:1g Application:Pharma;Industry;Agricultural;chemical reaserch Transportation:by express or by sea Port:Any port
Stock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Conditions | Yield |
---|---|
With oxalyl dichloride; N,N-dimethyl-formamide In toluene for 3h; Inert atmosphere; Reflux; | 93% |
With phosphoric acid; acetic anhydride at 145℃; for 2h; Temperature; | 90% |
With niobium(V) oxide hydrate In o-xylene at 160℃; for 72h; Inert atmosphere; Molecular sieve; | 86% |
1,4-dioxane-2,6-dione
2-(2-(2-(2-azidoethoxy)ethoxy)ethoxy)ethylamine
17-azido-5-oxo-6-aza-3,9,12,15-tetraoxaheptadecanoic acid
Conditions | Yield |
---|---|
In dichloromethane | 100% |
In dichloromethane at 25℃; for 36h; | 98% |
In dichloromethane at 25℃; for 26h; | 98% |
In dichloromethane | |
In dichloromethane |
1,4-dioxane-2,6-dione
1,3,4,6-tetra-O-benzyl-2-deoxy-2-diglycolylimido-β-D-glucopyranoside
Conditions | Yield |
---|---|
With pyridine; acetic anhydride; triethylamine at 20 - 80℃; for 6.5h; | 100% |
1,4-dioxane-2,6-dione
5-(4-aminophenyl)-10,15,20-triphenylporphyrin
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 20℃; for 24h; | 100% |
In N,N-dimethyl-formamide at 20℃; | 98% |
1,4-dioxane-2,6-dione
3-(<(4-methoxyphenyl)diphenylmethyl>amino)propanol
2-[({3-[((4-methoxyphenyl)diphenylmethyl)amino]propyl}oxycarbonyl)methoxy]acetic Acid, Triethylammonium Salt
Conditions | Yield |
---|---|
With triethylamine In dichloromethane for 2h; | 100% |
1,4-dioxane-2,6-dione
methylamine
methylaminocarbonylmethoxyacetic acid
Conditions | Yield |
---|---|
In tetrahydrofuran for 18h; | 100% |
In tetrahydrofuran at 20℃; | |
In tetrahydrofuran for 18h; | 6.34 g |
1,4-dioxane-2,6-dione
heptane-1,7-diamine
{[7-(2-carboxymethoxyacetylamino)heptylaminocarbonyl]methoxy}acetic acid
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 20℃; | 100% |
In tetrahydrofuran at 0 - 20℃; | 96% |
In tetrahydrofuran at 0 - 20℃; | 96% |
1,4-dioxane-2,6-dione
5-(4-chlorophenyl)-1-(2,4-dichlorophenyl)-4-methyl-N-(piperidin-4-yl)-1H-pyrazole-3-carboxamide
2-(2-(4-(5-(4-chlorophenyl)-1-(2,4-dichlorophenyl)-4-methyl-1H-pyrazole-3-carboxamido)piperidin-1-yl)-2-oxoethoxy)acetic acid
Conditions | Yield |
---|---|
With pyridine In dichloromethane at 20℃; | 100% |
1,4-dioxane-2,6-dione
5-tert-butoxycarbonylamino-1-aminopentane
2,2-dimethyl-4,12-dioxo-3,14-dioxa-5,11-diazahexadecan-16-oic acid
Conditions | Yield |
---|---|
In tetrahydrofuran at -50 - 20℃; for 21h; | 100% |
1,4-dioxane-2,6-dione
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 20℃; for 15h; Inert atmosphere; | 100% |
1,4-dioxane-2,6-dione
Conditions | Yield |
---|---|
In tetrahydrofuran at 20℃; for 18h; | 100% |
In tetrahydrofuran at 20℃; for 18h; | 100% |
1,4-dioxane-2,6-dione
Conditions | Yield |
---|---|
In tetrahydrofuran for 48h; Reflux; | 100% |
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 20℃; for 12h; Inert atmosphere; | 100% |
1,4-dioxane-2,6-dione
4-cyano-4-[(dodecylsulfanylthiocarbonyl)-sulfanyl]pentanoic acid
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 20℃; for 24h; | 100% |
1,4-dioxane-2,6-dione
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; for 3h; | 99.8% |
1,4-dioxane-2,6-dione
Conditions | Yield |
---|---|
With dmap; triethylamine In tetrahydrofuran; dichloromethane at 35℃; for 16h; | 99.69% |
1,4-dioxane-2,6-dione
(5α,6α)-6-amino-4,5-epoxy-3,14-dihydroxy-17-methylmorphinan
2-(2-(((4αS,7S,7αR,12βS)-4α,9-dihydroxy-3-methyl-2,3,4,4α,5,6,7,7α-octahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinolin-7-yl)amino)-2-oxoethoxy)acetic acid
Conditions | Yield |
---|---|
In dichloromethane at 20℃; | 99.4% |
In tetrahydrofuran at 20℃; for 18h; Sealed tube; | 86.7% |
Conditions | Yield |
---|---|
With pyridine; dmap for 12h; Heating; | 99% |
1,4-dioxane-2,6-dione
Conditions | Yield |
---|---|
In propan-1-ol-3-amine | 99% |
1,4-dioxane-2,6-dione
N-(13-amino-4,7,10-trioxatridecanyl)-D-biotinamide
biotin 4,7,10-trioxa-1,13-tridecanediamine-diglycolic carboxylate
Conditions | Yield |
---|---|
With triethylamine In N,N-dimethyl-formamide; acetonitrile at 20℃; for 1h; | 99% |
1,4-dioxane-2,6-dione
(2,2'-bipyridyl)(1,5-cyclooctadiene)nickel
Conditions | Yield |
---|---|
In tetrahydrofuran byproducts: (bipy)Ni(CO)2; a soln. of the carbonic acid anhydride was dropped slowly to a soln. of (bipy)Ni(COD) in THF, pptn. of red nickelalactone, filtration, the deep red mother-liquor contained (bipy)Ni(CO)2;; washed with THF, dried in vacuum;; | 99% |
1,4-dioxane-2,6-dione
5,10-bis(4-aminophenyl)-15,20-diiphenylporphyrin
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 20℃; for 48h; | 99% |
In N,N-dimethyl-formamide for 18h; | 90% |
Conditions | Yield |
---|---|
With pyridine; dmap In dichloromethane at 0 - 20℃; for 23h; Inert atmosphere; | 99% |
Conditions | Yield |
---|---|
In toluene Reflux; | 99% |
1,4-dioxane-2,6-dione
Conditions | Yield |
---|---|
In tetrahydrofuran at 20℃; | 99% |
Conditions | Yield |
---|---|
With pyridine at 20℃; for 24h; | 98.6% |
1,4-dioxane-2,6-dione
n-dioctylamine
2-(2-(di-octylamino)-2-oxoethoxy)acetic acid
Conditions | Yield |
---|---|
In acetone at 20℃; Product distribution / selectivity; | 98.1% |
In dichloromethane at 20℃; | 94.3% |
In dichloromethane at 20℃; Cooling with ice; | 94.2% |
1,4-dioxane-2,6-dione
tert-butyl (1-((2R,4R,5R)-4-((tert-butoxycarbonyl)oxy)-3,3-difluoro-5-(hydroxymethyl) tetrahydrofuran-2-yl)-2-oxo-1,2-dihydropyrimidin-4-yl)carbamate
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In dichloromethane at 0 - 20℃; for 2.16667h; Reagent/catalyst; Temperature; | 98% |
1,4-dioxane-2,6-dione
N-BOC-1,2-diaminoethane
Conditions | Yield |
---|---|
In tetrahydrofuran at -50 - 20℃; for 20h; | 97% |
With triethylamine In ethyl acetate for 18h; | 85% |
1,4-dioxane-2,6-dione
2-amino-5-fluoro-benzoic acid methyl ester
(2-{[4-fluoro-2-(methoxycarbonyl)phenyl]amino}-2-oxoethoxy)acetic acid
Conditions | Yield |
---|---|
In tetrahydrofuran for 7.5h; Reflux; | 97% |
In tetrahydrofuran for 4h; Heating / reflux; | 92% |
4-chlorobenzenesulfonyl chloride
1,4-dioxane-2,6-dione
(2-{[4-chloro-2-(methoxycarbonyl)phenyl]amino}-2-oxoethoxy)acetic acid
Conditions | Yield |
---|---|
In tetrahydrofuran for 3h; Heating / reflux; | 97% |
In tetrahydrofuran for 3h; Reflux; | 97% |
In tetrahydrofuran for 7.5h; Reflux; | 97% |
About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia
Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog
©2008 LookChem.com,License: ICP
NO.:Zhejiang16009103
complaints:service@lookchem.com Desktop View