We can provide GMP validation service that complies with SFDA, FDA, WHO and EU EMPA.Excellent registration team could help us easlily to register our products in different countries.If you and your customer are interested in some products or need CMO
Cas:844499-71-4
Min.Order:1 Gram
Negotiable
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
Product Description Product website: http://www.finerchem.com Product Name A-769662 CAS No. 844499-71-4 Ass
Cas:844499-71-4
Min.Order:1 Gram
FOB Price: $12.0
Type:Lab/Research institutions
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
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:844499-71-4
Min.Order:100 Milligram
Negotiable
Type:Lab/Research institutions
inquiryA substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc
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
GMP 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:844499-71-4
Min.Order:1 Milligram
Negotiable
Type:Trading Company
inquiryZhenyu 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
Appearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
Cas:844499-71-4
Min.Order:0
Negotiable
Type:Manufacturers
inquirySAGECHEM is a chemical R&D, manufacturing and distribution company in China since 2009, including pharmaceutical intermediates, agrochemical, dyestuff intermediates, organosilicone, API and etc. We also offer a full range of services in custom synthe
Cas:844499-71-4
Min.Order:0
Negotiable
Type:Lab/Research institutions
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:844499-71-4
Min.Order:1 Metric Ton
FOB Price: $1.0
Type:Trading Company
inquiryAcmec 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:844499-71-4
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 own factory produces direct sales with absolute price advantage Application:Pharmaceutical industry Transportation:By sea Port:Shanghai/tianjin
Cas:844499-71-4
Min.Order:0
Negotiable
Type:Lab/Research institutions
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:844499-71-4
Min.Order:0
Negotiable
Type:Trading Company
inquiryGMP factory Packing with pallet as buyer's special request Best service after shipment with e-mail Cargos together with container sales seervice available Api, inhibitor, and fine chemicals for more than 6 years. Application:
Cas:844499-71-4
Min.Order:0 Metric Ton
Negotiable
Type:Trading Company
inquiryFactory supply high purity low priceAppearance: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
A 769662Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
Our own factory produces direct sales with absolute price advantage Application:Pharmaceutical industry Transportation:By sea Port:Shanghai/tianjin
Cas:844499-71-4
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquirygood quality, competitive price, thoughtful after sale serviceAppearance:white powder Storage:Keep it in dry,shady and cool place Package:2mg Application:Pharma;Industry;Agricultural;chemical reaserch Transportation:by express or by sea Port:Any port
Cas:844499-71-4
Min.Order:0
Negotiable
Type:Trading Company
inquiryStock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Cas:844499-71-4
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
1.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
1.Place of Origin China with Super quality by reasonable price. 2.Fast delivery by safe express way to all the country. 3.Has a number of highly qualified engineers and experts to provide guidance for reagents. 4.When you meet problems in min
Cas:844499-71-4
Min.Order:100 Gram
FOB Price: $500.0 / 600.0
Type:Trading Company
inquiryWuhan Sun-shine Bio-technology Corporation Limited is specializing in the anticancer, antitumor,heart head blood-vessel,pharmaceutical intermediates,fine Chemicals production and customization. Company has strong ability of research and development
Cas:844499-71-4
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryChangzhou Extraordinary Pharmatech co., LTD. As a leading chemical manufacturer and supplier in China.DAS authentication is passed.We can provide the popular precursor chemicals, we have our own strong R & D team, have our own laboratories and fa
1. Subsidiary of Institute of Chemistry, Henan Academy of Sciences, national research platform;2. About 30 years’ experience in this field since 1983;3. An experienced R&D team consisting of Doctors and Masters;4. Various types of analytical instrume
Cas:844499-71-4
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryWatson International Ltd' has a very strong R&D and technical capacity supported by FCAD's platform. The subsidiaries under FCAD Group have accumulated much know-how of different fine chemical branches. For example, Apnoke Scientific L
Betterbiochem 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
4-hydroxy-3-(2′-hydroxy-[1,1′-biphenyl]-4-yl)-6-oxo-6,7-dihydrothieno[2,3-b]pyridine-5-carbonitrile
methylmagnesium bromide
Conditions | Yield |
---|---|
In tetrahydrofuran at 0 - 20℃; for 4h; |
4-hydroxy-3-(2′-hydroxy-[1,1′-biphenyl]-4-yl)-6-oxo-6,7-dihydrothieno[2,3-b]pyridine-5-carbonitrile
Conditions | Yield |
---|---|
Stage #1: 4-hydroxy-3-(2′-hydroxy-[1,1′-biphenyl]-4-yl)-6-oxo-6,7-dihydrothieno[2,3-b]pyridine-5-carbonitrile With sulfuric acid for 16h; Heating / reflux; Stage #2: With sodium hydroxide pH=2; |
4-hydroxy-3-(2′-hydroxy-[1,1′-biphenyl]-4-yl)-6-oxo-6,7-dihydrothieno[2,3-b]pyridine-5-carbonitrile
3-[4-(2-hydroxyphenyl)-phenyl]-4-hydroxy-5-iminomethyl-6-oxo-7H-thieno[2,3-b]-pyridine-6-one
Conditions | Yield |
---|---|
aluminum nickel In formic acid for 24h; Heating / reflux; |
4-hydroxy-3-(2′-hydroxy-[1,1′-biphenyl]-4-yl)-6-oxo-6,7-dihydrothieno[2,3-b]pyridine-5-carbonitrile
ethyl bromoacetate
Conditions | Yield |
---|---|
Stage #1: 4-hydroxy-3-(2′-hydroxy-[1,1′-biphenyl]-4-yl)-6-oxo-6,7-dihydrothieno[2,3-b]pyridine-5-carbonitrile With tetra-(n-butyl)ammonium iodide; potassium carbonate In acetone at 20℃; for 0.5h; Stage #2: ethyl bromoacetate In acetone at 20℃; for 16h; |
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