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
Cas:41730-71-6
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:41730-71-6
Min.Order:0 Metric Ton
Negotiable
Type:Manufacturers
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 manufacturin
Cas:41730-71-6
Min.Order:1 Kilogram
FOB Price: $100.0 / 150.0
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:41730-71-6
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
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:41730-71-6
Min.Order:0
Negotiable
Type:Manufacturers
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:41730-71-6
Min.Order:0
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 providing h
Cas:41730-71-6
Min.Order:0
Negotiable
Type:Other
inquiry3-Acetyl-1-chlorocarbonyl-2-imidazolidone Basic information Product Name: 3-Acetyl-1-chlorocarbonyl-2-imidazolidone
Cas:41730-71-6
Min.Order:1 Metric Ton
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,
Cas:41730-71-6
Min.Order:1 Milligram
Negotiable
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
Cas:41730-71-6
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryAppearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
Cas:41730-71-6
Min.Order:0
Negotiable
Type:Manufacturers
inquirySuperior quality, moderate price & quick delivery. Appearance:white crystalline powder Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:100g/bag, 1kg/bag or as per your request Application:It is an important ra
Cas:41730-71-6
Min.Order:100 Gram
Negotiable
Type:Trading Company
inquiryShanghai Lonwin Chemical company is a subsidiary of Lonwin Industry Group Limited, was established in 2011 and is headquartered in Shanghai, adjacent to China National Convention and Exhibition Center and Hongqiao transportation hub.Lonwinchem is
Cas:41730-71-6
Min.Order:100 Kilogram
FOB Price: $100.0 / 150.0
Type:Other
inquiryhigh purity,in stock Package:25kg/drum,or as per customers'demand Application:API,Pharmaceutical intermediates Transportation:air,sea,courier
Cas:41730-71-6
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryJinhua huayi chemical co., ltd. is dedicated to the development, production and marketing of chemicals. On the basis of equality and mutual benefit, and under the principle of customer first, credit first, quality first, we are ready to join hands
Cas:41730-71-6
Min.Order:100 Gram
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
Cas:41730-71-6
Min.Order:0
Negotiable
Type:Manufacturers
inquiryOur clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS
Cas:41730-71-6
Min.Order:0
Negotiable
Type:Manufacturers
inquiryTAIHO Unique Advantages:1.We're factory2.Free samples available3.Commodity inspection can be done4.ISO9001,Kosher certifications5.10 years experiences Storage:Store in cool &dry place Package:aluminium foil bag/fiber can/plastic drum Application:comp
Cas:41730-71-6
Min.Order:0
Negotiable
Type:Manufacturers
inquiryhight degree of purity Application:Fine chemical intermediates, used as the main raw material for he synthesis of various pesticides, medicines, surfactants, polymer monomers, Ond Ontifungal agents
Cas:41730-71-6
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryAppearance:solid or liquid Storage:sealed in cool and dry place Package:As customer's requested Application:Pharma Intermediate Transportation:by courier/air/sea Port:Any port in China
Cas:41730-71-6
Min.Order:0
Negotiable
Type:Trading Company
inquiryWe are committed to providing our customers with the best products and services at the most competitive prices.Appearance:white to light yellow crystal powder Storage:Room temperature with sealed well Package:according to the clients requirement Appl
Cas:41730-71-6
Min.Order:0
Negotiable
Type:Trading Company
inquiry3-Acetyl-1-chlorocarbonyl-2-imidazolidone cas 41730-71-6Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
Cas:41730-71-6
Min.Order:0
Negotiable
Type:Other
inquiryBest quality with low price Storage:ln stock Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Shanghai
Cas:41730-71-6
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry*stable and better quality products*efficient and meticulous servicesAppearance:Powder Storage:Store in dry, cool and ventilated place Package:1kg/tin 5kg/tin 25kg/carton Application:Pharmaceutical raw materials, making injection powder oral agent Tr
Cas:41730-71-6
Min.Order:0
Negotiable
Type:Trading Company
inquiryhigh purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:any port in China
Cas:41730-71-6
Min.Order:0
Negotiable
Type:Trading Company
inquirybulk?production Application:Pharmaceutical intermediates
Cas:41730-71-6
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry1.Professional synthesis laboratory and production base. 2.Strong synthesis team and service team. 3.Professional data management system. 4.We provide the professional test date and product information ,ex. HNMR ,CNMR,FNMR, HPLC/G
Cas:41730-71-6
Min.Order:10 Milligram
Negotiable
Type:Lab/Research institutions
inquiryBetterbiochem is specialized in APIs, pharmaceutical intermediates & fine chemicals. 1. The best quality, competitive price. 2. The best service before or after shipment. 3. Rich experience in export operation. 4. Rich experience in
Cas:41730-71-6
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryBaiFuChem is a Professional chemical raw material supplier in China, our main products include Biochemical , Pharma Intermediate and Organic chemical etc. BaiFuChem have wealth of products,experience , expertise and state-of-the-art
Cas:41730-71-6
Min.Order:1 Kilogram
Negotiable
Type:Other
inquiryAopharm is specialized in APIs, pharmaceutical intermediates & fine chemicals. 1. The best quality, competitive price. 2. The best service before or after shipment. 3. Rich experience in export operation. 4. Rich experience in modes of tran
Cas:41730-71-6
Min.Order:0 Metric Ton
Negotiable
Type:Trading Company
inquiry1-acetylimidazolidin-2-one
bis(trichloromethyl) carbonate
1-chlorocarbonyl-2-oxo-3-methylcarbonyl-imidazolidine
Conditions | Yield |
---|---|
In benzene at 55 - 60℃; for 3h; chloroformylation; | 93.8% |
1-acetylimidazolidin-2-one
trichloromethyl chloroformate
1-chlorocarbonyl-2-oxo-3-methylcarbonyl-imidazolidine
Conditions | Yield |
---|---|
With pyridine In benzene at 50 - 55℃; for 2h; Addition; | 92% |
Conditions | Yield |
---|---|
A n/a B 74.3% |
Conditions | Yield |
---|---|
A n/a B 43.5% |
ampicillin
1-chlorocarbonyl-2-oxo-3-methylcarbonyl-imidazolidine
penicillin G
Conditions | Yield |
---|---|
With triethylamine In methanol; aqueous tetrahydrofurane; water; ethyl acetate | 95% |
With triethylamine In methanol; aqueous tetrahydrofurane; water; ethyl acetate | 95% |
With triethylamine In methanol; aqueous tetrahydrofurane; water; ethyl acetate | 95% |
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