Dayangchem's 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. DayangChem can provide different quantities
Cas:62893-24-7
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:62893-24-7
Min.Order:0 Metric Ton
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inquiryhigh quality Appearance:White or off white powder Storage:Sealed, dry, microtherm , avoid light and smell Package:According to the demand of customer Application:Pharmaceutical intermediates Transportation:by air or by sea Port:shanghai
Cas:62893-24-7
Min.Order:1 Kilogram
Negotiable
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
Cas:62893-24-7
Min.Order:1
Negotiable
Type:Other
inquiryCangzhou Enke Pharma Tech Co.,ltd. is located in Cangzhou City, Hebei province ,where is a famous petroleum chemical industry city in China. Enke Pharma a high-tech enterprise ,and we are dedicated to developing and manufacturing new ap
Cas:62893-24-7
Min.Order:1 Kilogram
FOB Price: $5.0
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
Cas:62893-24-7
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquirychengdu and import and export trade co., LTD., who registered capital of 10 million yuan, nearly to $2 million, we have a pharmaceutical raw materials factory production of pharmaceutical raw materials, and a reagent r&d center, and we do res
Cas:62893-24-7
Min.Order:1000 Gram
FOB Price: $500.0
Type:Trading Company
inquiryLIDE PHARMACEUTICALS LIMITED is a professional chemicals and APIs leading manufacturer in China. Our core business line covers APIs, Intermediates, Herb extract, etc.
Cas:62893-24-7
Min.Order:1 Kilogram
FOB Price: $0.9 / 1.0
Type:Lab/Research institutions
inquiryProduct Description Product name (2R)-2-[(4-Ethyl-2,3-dioxopiperazinyl)carbonylamino]-2-(4-hydroxyphenyl)acetic acid CAS 62893-24-7 Assay
Cas:62893-24-7
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryOur advantages: 1. All inquiries will be replied within 12 hours. 2. Dedication to quality, supply & service. 3. Strictly on selecting raw materials. 4. Reasonable & competitive price, fast lead time. 5. Sample is available for your eva
Cas:62893-24-7
Min.Order:1 Kilogram
FOB Price: $9.0 / 99.0
Type:Trading Company
inquiryTIANFUCHEM--62893-24-7--High purity (2R)-2-[(4-Ethyl-2,3-dioxopiperazinyl)carbonylamino]-2-(4-hydroxyphenyl)acetic acid factory price Our company was built in 2009 with an ISO certificate.In the past 10 years, we have grown up as a famous fi
Cas:62893-24-7
Min.Order:1 Metric Ton
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:62893-24-7
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
Cas:62893-24-7
Min.Order:10 Kilogram
FOB Price: $80.0 / 100.0
Type:Trading Company
inquiryProduct name: D(-)-α-[[(4-Ethyl-2,3-dioxo-1-piperazinyl)carbonyl]amino]-2-phenyl acetic acid EPCPHO-EPCP(HO-EPCP) CAS No.: 62893-24-7 Molecular weight: 335.32 Useing: Intermediate of Anti-infectiv
Cas:62893-24-7
Min.Order:1 Kilogram
FOB Price: $1.0
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:62893-24-7
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry(2R)-2-[(4-Ethyl-2,3-dioxopiperazinyl)carbonylamino]-2-(4-hydroxyphenyl)acetic acid CAS:62893-24-7 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of c
Cas:62893-24-7
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:62893-24-7
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryProduct Detail Minimum Order Qty. 10 Gram
Cas:62893-24-7
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
Cas:62893-24-7
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryBest 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
Cas:62893-24-7
Min.Order:0
Negotiable
Type:Manufacturers
inquiryMain Service 1.Own made fine chemical products 2.Out sourcing and quality controlling service in China 3. COM for Chemical synthesis 4.Lab custom synthesis of API and intermadiates Quality Assurance 1. NMR,HPLC and COA can be suppli
Cas:62893-24-7
Min.Order:10 Gram
FOB Price: $1.0 / 10.0
Type:Lab/Research institutions
inquiryHangzhou 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:62893-24-7
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
Cas:62893-24-7
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryAppearance/Colour: white crystalline powder Melting Point: 205 °C (dec.)(lit.) Refractive Index: 1.5600 (estimate) Boiling Point: 471.96°C (rough estimate) PKA: 3.40±0.10(Predicted) PSA: 127.25000 Density: 1.456 g/cm3 LogP: 0.18
Cas:62893-24-7
Min.Order:1 Gram
FOB Price: $3.0 / 5.0
Type:Trading Company
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:62893-24-7
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiry(2R)-2-[(4-Ethyl-2,3-dioxopiperazinyl)carbonylamino]-2-(4-hydroxyphenyl)acetic acidAppearance:White powder Storage:Store in well-closed container, protected from light and in cool & dry place. Package:according to customers' requirements Application:
Cas:62893-24-7
Min.Order:1 Gram
Negotiable
Type:Other
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:62893-24-7
Min.Order:100 Gram
FOB Price: $100.0 / 2000.0
Type:Lab/Research institutions
inquirySuperior quality, moderate price & quick delivery. Appearance:white crystals Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:10g/bag,or as your request Application:For medicine , pesticide intermediates Tr
Cas:62893-24-7
Min.Order:1 Gram
Negotiable
Type:Trading Company
inquiryProduct name: D(-)-Alpha-[[(4-Ethyl-2,3-Dioxo-1-Piperazinyl)Carbonyl]amino]-2-Phentyl Acetic Acid CAS No.:62893-24-7 Molecule Formula:C15H16N3O6 Molecule Weight:334.30 Purity: 99.0% Package: 25kg/drum Description:White powder Manufact
Cas:62893-24-7
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
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,
Cas:62893-24-7
Min.Order:1 Milligram
Negotiable
Type:Trading Company
inquiryD-4-hydroxyphenylglycine
4-ethyl-2,3-dioxopiperazine-1-carbonyl chloride
(R)-<<(4-ethyl-2,3-dioxo-1-piperazinyl)carbonyl>amino>(4-hydroxyphenyl)acetic acid
Conditions | Yield |
---|---|
With sodium carbonate; zinc dibromide In water at 200℃; for 3h; Temperature; Reagent/catalyst; Autoclave; | 83.5% |
(R)-<<(4-ethyl-2,3-dioxo-1-piperazinyl)carbonyl>amino>(4-hydroxyphenyl)acetic acid
D-(-)-2-[(4-ethyl-2,3-dioxo-1-piperazinyl)amido]- 2-(4-hydroxyphenyl)acetic acid chloride
Conditions | Yield |
---|---|
With bis(trichloromethyl) carbonate; triethylamine In dichloromethane at 0℃; for 3h; | 97.6% |
With chloro-trimethyl-silane; trichlorophosphate In N,N-dimethyl acetamide; acetonitrile at -20℃; |
(R)-<<(4-ethyl-2,3-dioxo-1-piperazinyl)carbonyl>amino>(4-hydroxyphenyl)acetic acid
cefoperazone
Conditions | Yield |
---|---|
With benzotriazol-1-yl diethyl phosphate; triethylamine In N,N-dimethyl-formamide at 28℃; for 2h; | 76.2% |
(R)-<<(4-ethyl-2,3-dioxo-1-piperazinyl)carbonyl>amino>(4-hydroxyphenyl)acetic acid
Conditions | Yield |
---|---|
Stage #1: (R)-<<(4-ethyl-2,3-dioxo-1-piperazinyl)carbonyl>amino>(4-hydroxyphenyl)acetic acid With triethylamine; isobutyl chloroformate In tetrahydrofuran at 0℃; for 1h; Inert atmosphere; Stage #2: bis(trimethylsilyl)aminomethaneboronate In tetrahydrofuran at 0 - 20℃; Inert atmosphere; | 54% |
(R)-<<(4-ethyl-2,3-dioxo-1-piperazinyl)carbonyl>amino>(4-hydroxyphenyl)acetic acid
(6R,7R)-3-Chloromethyl-7-[(R)-2-[(4-ethyl-2,3-dioxo-piperazine-1-carbonyl)-amino]-2-(4-hydroxy-phenyl)-acetylamino]-8-oxo-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzhydryl ester
Conditions | Yield |
---|---|
With benzotriazol-1-ol; dicyclohexyl-carbodiimide In dichloromethane |
(R)-<<(4-ethyl-2,3-dioxo-1-piperazinyl)carbonyl>amino>(4-hydroxyphenyl)acetic acid
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 1-hydroxybenzotriazole, 1,3-dicyclohexylcarbodiimide / CH2Cl2 2: NaI / butan-2-one / 2 h / Ambient temperature 3: NaHCO3 / dimethylformamide / 3 h 4: anisole / CH2Cl2 / 0.25 h / 0 °C View Scheme |
(R)-<<(4-ethyl-2,3-dioxo-1-piperazinyl)carbonyl>amino>(4-hydroxyphenyl)acetic acid
(6R,7R)-7-[(R)-2-[(4-Ethyl-2,3-dioxo-piperazine-1-carbonyl)-amino]-2-(4-hydroxy-phenyl)-acetylamino]-3-iodomethyl-8-oxo-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzhydryl ester
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 1-hydroxybenzotriazole, 1,3-dicyclohexylcarbodiimide / CH2Cl2 2: NaI / butan-2-one / 2 h / Ambient temperature View Scheme |
(R)-<<(4-ethyl-2,3-dioxo-1-piperazinyl)carbonyl>amino>(4-hydroxyphenyl)acetic acid
C53H51FN8O11S
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 1-hydroxybenzotriazole, 1,3-dicyclohexylcarbodiimide / CH2Cl2 2: NaI / butan-2-one / 2 h / Ambient temperature 3: NaHCO3 / dimethylformamide / 3 h View Scheme |
(R)-<<(4-ethyl-2,3-dioxo-1-piperazinyl)carbonyl>amino>(4-hydroxyphenyl)acetic acid
(R)-<<(4-ethyl-2,3-dioxo-1-piperazinyl)carbonyl>amino>(4-hydroxyphenyl)acetic acid
(+)-pinanediol (1R)-2-[3-(tert-butoxycarbonyl)phenyl]-1-{(αR)-α-[(4-ethyl-2,3-dioxo-1-piperazinyl)carbonylamino]-4-hydroxybenzenacetylamino}ethaneboronate
Conditions | Yield |
---|---|
Stage #1: (R)-<<(4-ethyl-2,3-dioxo-1-piperazinyl)carbonyl>amino>(4-hydroxyphenyl)acetic acid With isobutyl chloroformate In tetrahydrofuran at -35 - -10℃; for 0.166667h; Inert atmosphere; Stage #2: With 4-methyl-morpholine In tetrahydrofuran at -10℃; for 1h; Inert atmosphere; Stage #3: C23H34BNO4 In tetrahydrofuran at -10 - 20℃; Inert atmosphere; |
(6R,7R)-7-amino-3-[(1H-1-methyltetrazol-5-yl)thio]methylceph-3-em-4-carboxylic acid
(R)-<<(4-ethyl-2,3-dioxo-1-piperazinyl)carbonyl>amino>(4-hydroxyphenyl)acetic acid
cefoperazone
Conditions | Yield |
---|---|
Stage #1: (6R,7R)-7-amino-3-[(1H-1-methyltetrazol-5-yl)thio]methylceph-3-em-4-carboxylic acid With chloro-trimethyl-silane; 1,1,1,3,3,3-hexamethyl-disilazane In dichloromethane at 45℃; for 4h; Stage #2: (R)-<<(4-ethyl-2,3-dioxo-1-piperazinyl)carbonyl>amino>(4-hydroxyphenyl)acetic acid With pyridine; chloroformic acid ethyl ester; triethylamine In dichloromethane; N,N-dimethyl acetamide at -45 - -40℃; for 4h; |
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