DayangChem exported this product to many countries and regions at best price. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product spe
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:35607-66-0
Min.Order:0 Metric Ton
Negotiable
Type:Manufacturers
inquiryItems Standard Result Assay 98%min ----------------------------------------------------------------------------------------------
Cas:35607-66-0
Min.Order:1 Gram
FOB Price: $100.0 / 500.0
Type:Manufacturers
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
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:35607-66-0
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
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
Name: Cefoxibutyric acid English Name: Cefoxitin English synonyms: (6r-cis) - ethyl) - 7-methoxy-8-oxo-7 - ((2-thienylacetyl) amino); cephoxitin; cfx; CEFOXITIN; CEFOXITIN ACID; 5-Thia-1-azabicyclo [4.2.0] oct-2-ene-2-carboxylic acid, CAS No. 35
Cas:35607-66-0
Min.Order:100 Metric Ton
FOB Price: $5.0 / 8.0
Type:Other
inquiryWith our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufactu
Cas:35607-66-0
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:35607-66-0
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiry1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; Appearance:powder Storage:Store in sealed containers at cool & dry pla
Cas:35607-66-0
Min.Order:100 Gram
Negotiable
Type:Other
inquiry1.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:35607-66-0
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry1.Prompt Goods; 2.Flexible payment terms; 3.Documents & Certificate support. Name: Cefoxitin Structure: Formula: C16H17N3O7S2 Molecular Weight : 427.45 Synonyms: Cefoxitin【(6R-cis)-3-[(Carbamoyloxy)methyl]-7-methoxy-8-oxo-7-(2-thienylacet
Cas:35607-66-0
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
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:35607-66-0
Min.Order:10 Gram
FOB Price: $1.14
Type:Trading Company
inquiryAbout Product Details Items Specifications Test Results Appearance White to white crystalline powde
Cas:35607-66-0
Min.Order:1 Gram
FOB Price: $1.0 / 2.0
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 present
Cas:35607-66-0
Min.Order:1 Kilogram
FOB Price: $70.0 / 90.0
Type:Trading Company
inquiryCefoxitin CAS:35607-66-0 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:35607-66-0
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
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
Hubei Yuanmeng Biological Technology Co., Ltd., which is located in Wuhan, China. We are specializing in the exportation of APIs, and plant extracts ect. Our products has been exported to America, Australia, Brazil, the Europe, Middle East and other
Cas:35607-66-0
Min.Order:1 Kilogram
FOB Price: $3.0 / 5.0
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 Service 1.Own made fine chemical products 2.Out sourcing and quality c
Our company provides one-stop services of research - development - production for a variety of special prouducts. Not only do we make effective use of our strong technological strength, but also establish of cooperative relations with several well-
Cas:35607-66-0
Min.Order:100 Milligram
Negotiable
Type:Lab/Research institutions
inquiryCompany 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
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:35607-66-0
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
Our Advantages Production: Advanced chemical equipment with years of experience.Staffs for producing various extract products. Quality Control:A complete set of Testing Professional and Analysis Equipment ensures the Quality Requirements and Speci
Cas:35607-66-0
Min.Order:1 Kilogram
FOB Price: $150.0 / 180.0
Type:Trading Company
inquiry1. We can provide customers with "one-stop"packaging service,from research,development,production,export and so on 2. Powerful R&D strength let our technology in a leading level,forever,in turn,to provide customers with better service .
Cas:35607-66-0
Min.Order:100 Gram
FOB Price: $10.0 / 100.0
Type:Trading Company
inquirylow price high quality high purity good sevice stock Appearance:white Storage:Preserve In Well-Closed, Light-Resistant and Tight Containers. Store In Cool & Dry Place Package:1g,5g,10g...1kg,5kg...more Application:Active Pharmaceutical
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:35607-66-0
Min.Order:1 Gram
FOB Price: $1.0
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:35607-66-0
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryEstablished in May 2015, TaiChem Ltd. is initially invested by a British research and development company and started by PhDs back from aboard. The company is registered in China Medical City (CMC), Taizhou, Jiangsu Province, and the production site
desacetyl cephalosporin C
cefoxitin
Conditions | Yield |
---|---|
Stage #1: desacetyl cephalosporin C With N,N'-dibenzylethylenediamine diacetate In dichloromethane; water at 25℃; Stage #2: With isocyanate de chlorosulfonyle In dichloromethane at -40℃; Temperature; Further stages; | 96% |
Conditions | Yield |
---|---|
In acetone at -35 - -30℃; | 82.8% |
isocyanate de chlorosulfonyle
cefoxitin
Conditions | Yield |
---|---|
Stage #1: isocyanate de chlorosulfonyle; 3-hydroxymethyl-7α-[(2-thienyl)acetamido]-4-cephalosporanic acid benzathine salt In acetone at -50 - -45℃; for 2h; Stage #2: With water In acetone at 8 - 10℃; | 65% |
In tetrahydrofuran Cooling; | |
Stage #1: isocyanate de chlorosulfonyle; 3-hydroxymethyl-7α-[(2-thienyl)acetamido]-4-cephalosporanic acid benzathine salt In tetrahydrofuran at -50 - -45℃; for 1h; Stage #2: With water In tetrahydrofuran at 10 - 12℃; for 0.5h; Stage #3: With hydrogenchloride In water at 0 - 34℃; for 1.5h; pH=1.9 - 2.1; Solvent; Temperature; |
diphenylmethyl (6R, 7S)-7-(2'-thienyl)acetamido-7-methoxy-3-carbamoyloxymethyl-3-cephem-4-carboxylate
cefoxitin
Conditions | Yield |
---|---|
With trifluoroacetic acid In various solvent(s) 1.) -30 deg C, 2.) -20 deg C, 20 min, 3.) -10 deg C, 20 min; | 56% |
2-thienylacetic acid chloride
cefoxitin
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 61 percent / N,N-dimethylaniline / CH2Cl2 / 15 h / 0 °C 2: 56 percent / CF3COOH / various solvent(s) / 1.) -30 deg C, 2.) -20 deg C, 20 min, 3.) -10 deg C, 20 min View Scheme |
cephamycin C
cefoxitin
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 1.) N-trichloroethoxycarbonylation, 2.) benzhydryl esterification 2: 1.) Na2CO3, 2.) H2O / 1.) dioxane, 5 deg C, then 20 deg C, 12 h, 2.) 1 h 3: 1.) PhN=C=NPh, 2.) N,N-dimethylaniline / 1.) CH2Cl2, 18 h, 0 deg C, 2.) CH2Cl2 4: 56 percent / CF3COOH / various solvent(s) / 1.) -30 deg C, 2.) -20 deg C, 20 min, 3.) -10 deg C, 20 min View Scheme | |
Multi-step reaction with 5 steps 1: 1.) N-trichloroethoxycarbonylation, 2.) benzhydryl esterification 2: 1.) Na2CO3, 2.) H2O / 1.) dioxane, 5 deg C, then 20 deg C, 12 h, 2.) 1 h 3: 87 percent / H2O, conc. HCl / acetone / 72 h / Ambient temperature 4: 1.) PhN=C=NPh, 2.) N,N-dimethylaniline / 1.) CH2Cl2, 18 h, 0 deg C, 2.) CH2Cl2 5: 56 percent / CF3COOH / various solvent(s) / 1.) -30 deg C, 2.) -20 deg C, 20 min, 3.) -10 deg C, 20 min View Scheme | |
Multi-step reaction with 6 steps 1: 1.) N-trichloroethoxycarbonylation, 2.) benzhydryl esterification 2: 1.) Na2CO3, 2.) H2O / 1.) dioxane, 5 deg C, then 20 deg C, 12 h, 2.) 1 h 3: 87 percent / H2O, conc. HCl / acetone / 72 h / Ambient temperature 4: 56 percent / diphenylcarbodiimide / CH2Cl2 / 18 h / 0 °C 5: 61 percent / N,N-dimethylaniline / CH2Cl2 / 15 h / 0 °C 6: 56 percent / CF3COOH / various solvent(s) / 1.) -30 deg C, 2.) -20 deg C, 20 min, 3.) -10 deg C, 20 min View Scheme | |
Multi-step reaction with 5 steps 1: 1.) N-trichloroethoxycarbonylation, 2.) benzhydryl esterification 2: 1.) Na2CO3, 2.) H2O / 1.) dioxane, 5 deg C, then 20 deg C, 12 h, 2.) 1 h 3: 56 percent / diphenylcarbodiimide / CH2Cl2 / 18 h / 0 °C 4: 61 percent / N,N-dimethylaniline / CH2Cl2 / 15 h / 0 °C 5: 56 percent / CF3COOH / various solvent(s) / 1.) -30 deg C, 2.) -20 deg C, 20 min, 3.) -10 deg C, 20 min View Scheme |
(6R)-7t-[(R)-5-benzhydryloxycarbonyl-5-(2,2,2-trichloro-ethoxycarbonylamino)-pentanoylamino]-3-carbamoyloxymethyl-7c-methoxy-8-oxo-(6rH)-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzhydryl ester
cefoxitin
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 1.) Na2CO3, 2.) H2O / 1.) dioxane, 5 deg C, then 20 deg C, 12 h, 2.) 1 h 2: 1.) PhN=C=NPh, 2.) N,N-dimethylaniline / 1.) CH2Cl2, 18 h, 0 deg C, 2.) CH2Cl2 3: 56 percent / CF3COOH / various solvent(s) / 1.) -30 deg C, 2.) -20 deg C, 20 min, 3.) -10 deg C, 20 min View Scheme | |
Multi-step reaction with 4 steps 1: 1.) Na2CO3, 2.) H2O / 1.) dioxane, 5 deg C, then 20 deg C, 12 h, 2.) 1 h 2: 87 percent / H2O, conc. HCl / acetone / 72 h / Ambient temperature 3: 1.) PhN=C=NPh, 2.) N,N-dimethylaniline / 1.) CH2Cl2, 18 h, 0 deg C, 2.) CH2Cl2 4: 56 percent / CF3COOH / various solvent(s) / 1.) -30 deg C, 2.) -20 deg C, 20 min, 3.) -10 deg C, 20 min View Scheme | |
Multi-step reaction with 5 steps 1: 1.) Na2CO3, 2.) H2O / 1.) dioxane, 5 deg C, then 20 deg C, 12 h, 2.) 1 h 2: 87 percent / H2O, conc. HCl / acetone / 72 h / Ambient temperature 3: 56 percent / diphenylcarbodiimide / CH2Cl2 / 18 h / 0 °C 4: 61 percent / N,N-dimethylaniline / CH2Cl2 / 15 h / 0 °C 5: 56 percent / CF3COOH / various solvent(s) / 1.) -30 deg C, 2.) -20 deg C, 20 min, 3.) -10 deg C, 20 min View Scheme | |
Multi-step reaction with 4 steps 1: 1.) Na2CO3, 2.) H2O / 1.) dioxane, 5 deg C, then 20 deg C, 12 h, 2.) 1 h 2: 56 percent / diphenylcarbodiimide / CH2Cl2 / 18 h / 0 °C 3: 61 percent / N,N-dimethylaniline / CH2Cl2 / 15 h / 0 °C 4: 56 percent / CF3COOH / various solvent(s) / 1.) -30 deg C, 2.) -20 deg C, 20 min, 3.) -10 deg C, 20 min View Scheme |
diphenylmethyl (6R, 7S)-7-amino-7-methoxy-3-carbamoyloxymethyl-3-cephem-4-carboxylate
cefoxitin
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 61 percent / N,N-dimethylaniline / CH2Cl2 / 15 h / 0 °C 2: 56 percent / CF3COOH / various solvent(s) / 1.) -30 deg C, 2.) -20 deg C, 20 min, 3.) -10 deg C, 20 min View Scheme |
diphenylmethyl (6R,7S)-7-carboxycarbonylamino-7-methoxy-3-carbamoyloxymethyl-3-cephem-4-carboxylate
cefoxitin
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 1.) PhN=C=NPh, 2.) N,N-dimethylaniline / 1.) CH2Cl2, 18 h, 0 deg C, 2.) CH2Cl2 2: 56 percent / CF3COOH / various solvent(s) / 1.) -30 deg C, 2.) -20 deg C, 20 min, 3.) -10 deg C, 20 min View Scheme | |
Multi-step reaction with 3 steps 1: 56 percent / diphenylcarbodiimide / CH2Cl2 / 18 h / 0 °C 2: 61 percent / N,N-dimethylaniline / CH2Cl2 / 15 h / 0 °C 3: 56 percent / CF3COOH / various solvent(s) / 1.) -30 deg C, 2.) -20 deg C, 20 min, 3.) -10 deg C, 20 min View Scheme |
(6R)-7t-hydroxyoxalylamino-3-(hydroxyoxalylcarbamoyloxy-methyl)-7c-methoxy-8-oxo-(6rH)-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzhydryl ester
cefoxitin
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 87 percent / H2O, conc. HCl / acetone / 72 h / Ambient temperature 2: 1.) PhN=C=NPh, 2.) N,N-dimethylaniline / 1.) CH2Cl2, 18 h, 0 deg C, 2.) CH2Cl2 3: 56 percent / CF3COOH / various solvent(s) / 1.) -30 deg C, 2.) -20 deg C, 20 min, 3.) -10 deg C, 20 min View Scheme | |
Multi-step reaction with 4 steps 1: 87 percent / H2O, conc. HCl / acetone / 72 h / Ambient temperature 2: 56 percent / diphenylcarbodiimide / CH2Cl2 / 18 h / 0 °C 3: 61 percent / N,N-dimethylaniline / CH2Cl2 / 15 h / 0 °C 4: 56 percent / CF3COOH / various solvent(s) / 1.) -30 deg C, 2.) -20 deg C, 20 min, 3.) -10 deg C, 20 min View Scheme |
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