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
Cas:872728-82-0
Min.Order:1
Negotiable
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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:872728-82-0
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:872728-82-0
Min.Order:10 Gram
FOB Price: $146.0 / 176.0
Type:Trading Company
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:872728-82-0
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryN-[4-(5-OXO-4,5-DIHYDRO-1,2,4-OXADIAZOL-3-YL)PHENYL]GLYCINE CAS:872728-82-0 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, s
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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:872728-82-0
Min.Order:1 Kilogram
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
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Min.Order:0
Negotiable
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inquiry1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures s
Cas:872728-82-0
Min.Order:1 Kilogram
FOB Price: $50.0 / 100.0
Type:Lab/Research institutions
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:872728-82-0
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
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
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Min.Order:0 Metric Ton
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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
J&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
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Min.Order:0
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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:872728-82-0
Min.Order:10 Gram
FOB Price: $100.0
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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:872728-82-0
Min.Order:100 Gram
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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:872728-82-0
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
Cas:872728-82-0
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiry1.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
Cas:872728-82-0
Min.Order:1 Metric Ton
FOB Price: $1.5
Type:Trading Company
inquiryAppearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
Cas:872728-82-0
Min.Order:0
Negotiable
Type:Manufacturers
inquiryWe 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
Cas:872728-82-0
Min.Order:1 Metric Ton
FOB Price: $1.0
Type:Trading Company
inquiryLower 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
Cas:872728-82-0
Min.Order:0
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Type:Lab/Research institutions
inquiryR & D enterprises have their own stock in stock Package:1kg Application:pharmaceutical intermediates
Cas:872728-82-0
Min.Order:0
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Type:Trading Company
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:872728-82-0
Min.Order:0
Negotiable
Type:Manufacturers
inquiry1.Our services:A.Supply sampleB.The packing also can be according the customers` requirmentC.Any inquiries will be replied within 24 hoursD.we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate.
Cas:872728-82-0
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquirybest seller Application:API
Cas:872728-82-0
Min.Order:0
Negotiable
Type:Manufacturers
inquiryAnsciep 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
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inquiry872728-82-0 C10H9N3O4 N-[4-(5-OXO-4,5-DIHYDRO-1,2,4-OXADIAZOL-3-YL)PHENYL]GLYCINE Application:872728-82-0 C10H9N3O4 N-[4-(5-OXO-4,5-DIHYDRO-1,2,4-OXADIAZOL-3-YL)PHENYL]GLYCINE
Cas:872728-82-0
Min.Order:0
Negotiable
Type:Other
inquirybest seller Application:API
Cas:872728-82-0
Min.Order:0
Negotiable
Type:Trading Company
inquiry[4-(5-Oxo-4,5-dihydro-[1,2,4]oxadiazol-3-yl)-phenylamino]-acetic acidAppearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:pharmaceutical intermediate Transportation:by air, by sea, by expre
Cas:872728-82-0
Min.Order:0
Negotiable
Type:Other
inquiryfactory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Cas:872728-82-0
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryGood Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen
2-[4-(5-oxo-1,2,4-oxadiazol-3-yl)phenylamino]acetic acid ethyl ester
2-[4-(1,2,4-oxadiazol-5-one-3-yl)-phenylamino]-acetic acid
Conditions | Yield |
---|---|
Stage #1: 2-[4-(5-oxo-1,2,4-oxadiazol-3-yl)phenylamino]acetic acid ethyl ester With sodium hydroxide; water at 20 - 60℃; for 1h; pH=12.5; Stage #2: With hydrogenchloride at 0 - 60℃; pH=5; | 98% |
With sodium hydroxide; water at 20 - 60℃; pH=12.5; Product distribution / selectivity; | 98% |
Stage #1: 2-[4-(5-oxo-1,2,4-oxadiazol-3-yl)phenylamino]acetic acid ethyl ester With sodium hydroxide; water at 20 - 60℃; pH=12.5; Stage #2: With hydrogenchloride In water pH=3; Product distribution / selectivity; | 98% |
Stage #1: 2-[4-(5-oxo-1,2,4-oxadiazol-3-yl)phenylamino]acetic acid ethyl ester With sodium hydroxide; water at 20 - 60℃; for 1h; pH=12.5; Stage #2: With hydrogenchloride In water pH=3; | 98% |
2-[4-(1,2,4-oxadiazol-5-one-3-yl)-phenylamino]-acetic acid
ethyl 3-{[{2-amino-1-(methylamino)phen-4-yl}carbonyl](pyridyn-2-yl)amino}propanoate
1-methyl-2-[N-[4-(1,2,4-oxadiazol-5-one-3-yl)phenyl]-amino-methyl]-benzimidazol-5-yl-carboxylic acid N-(2-pyridyl)-N-(2-ethoxycarbonylethyl)amide
Conditions | Yield |
---|---|
Stage #1: 2-[4-(1,2,4-oxadiazol-5-one-3-yl)-phenylamino]-acetic acid; ethyl 3-{[{2-amino-1-(methylamino)phen-4-yl}carbonyl](pyridyn-2-yl)amino}propanoate With 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide; N-ethyl-N,N-diisopropylamine In tetrahydrofuran; ethyl acetate at 20℃; for 1.5h; Stage #2: With acetic acid at 90℃; Product distribution / selectivity; | 85% |
Stage #1: 2-[4-(1,2,4-oxadiazol-5-one-3-yl)-phenylamino]-acetic acid; ethyl 3-{[{2-amino-1-(methylamino)phen-4-yl}carbonyl](pyridyn-2-yl)amino}propanoate With 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide; N-ethyl-N,N-diisopropylamine In tetrahydrofuran; ethyl acetate at 20℃; for 1.5h; Stage #2: With acetic acid at 90℃; Product distribution / selectivity; | 85% |
Stage #1: 2-[4-(1,2,4-oxadiazol-5-one-3-yl)-phenylamino]-acetic acid With pivaloyl chloride; N-ethyl-N,N-diisopropylamine In tetrahydrofuran; 1-methyl-pyrrolidin-2-one at 0℃; for 0.5h; Stage #2: ethyl 3-{[{2-amino-1-(methylamino)phen-4-yl}carbonyl](pyridyn-2-yl)amino}propanoate With acetic acid In tetrahydrofuran; 1-methyl-pyrrolidin-2-one for 3h; Product distribution / selectivity; Heating / reflux; | 76% |
2-[4-(1,2,4-oxadiazol-5-one-3-yl)-phenylamino]-acetic acid
acetic acid
ethyl 3-{[{2-amino-1-(methylamino)phen-4-yl}carbonyl](pyridyn-2-yl)amino}propanoate
Conditions | Yield |
---|---|
Stage #1: 2-[4-(1,2,4-oxadiazol-5-one-3-yl)-phenylamino]-acetic acid; ethyl 3-{[{2-amino-1-(methylamino)phen-4-yl}carbonyl](pyridyn-2-yl)amino}propanoate With 1,1'-carbonyldiimidazole In tetrahydrofuran at 50℃; for 19.5h; Stage #2: acetic acid In tetrahydrofuran for 1h; Heating / reflux; | 75% |
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