As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem's R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis ch
Cas:102-65-8
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:102-65-8
Min.Order:0 Metric Ton
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Type:Manufacturers
inquiryUnique advantages Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:White to yellowish powder Storage:cool dry place Package:25kg/drum Application:medicine raw material Transportatio
Cas:102-65-8
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryXi’an Quanao Biotech Co., Ltd. with 18 years experience in plant extract filed. Product grade: Medicine, Health care product, Cosmetics, Food, Beverage, Feed. Hot selling market: Europe, North America, South America, Middle East, Asia Pacifi
Cas:102-65-8
Min.Order:1 Kilogram
FOB Price: $29.0 / 41.0
Type:Manufacturers
inquiryProduct: Sulfachloropyrazine sodium Chemical name:Sulfachloropyrazine sodium Batch NO: 20200805 Analysis Date: 2020-08-05 Expiry Date: 2022-08-04 HANGZHOU THINK CHEMICAL CO., LTD. (THINKCHEM) is an integrative corporation
Cas:102-65-8
Min.Order:100 Kilogram
FOB Price: $55.0 / 60.0
Type:Other
inquiryProperties Sulfaclozine is a white or yellow power, with boiling point 495.7 °C at 760 mmHg, and flash point 253.6 °C. soluble in water or methanol,slightly soluble in ethanol or acetone and not dissoluble in chloroform. It widely used i
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:102-65-8
Min.Order:1
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Type:Other
inquiry1. 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:102-65-8
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
inquiryShanghai Seasonsgreen Chemical is a high-tech research and development, production, sale and custom synthesis set in one high-tech chemical products enterprises. Our sales and marketing division is located in Shanghai, serving international pharmaceu
Cas:102-65-8
Min.Order:1 Kilogram
FOB Price: $1.0
Type:Manufacturers
inquiryColorcom is a global leader in industrial chemical manufacturing and is continuously innovating and transforming to exceed client expectations and industry standards. Colorcom prides itself on superior customer and technical focus, while focusing on
Cas:102-65-8
Min.Order:1 Metric Ton
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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:102-65-8
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryHebei Nengqian Chemical Import and Export Co., LTD.. is located in xingtai City, Hebei Province, China. It is a biotechnology enterprise engaged in the research, development, production and sales of animal and plant extracts, cosmetics, pharmaceutica
Cas:102-65-8
Min.Order:1 Gram
FOB Price: $12.0 / 15.0
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:102-65-8
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiryHebei Yanxi Chemical Co., Ltd. is a professional research, development and production of lead acetate benzene acetamide enterprise backbone members by local well-known entrepreneurs and professional senior engineers in the party's "low car
Cas:102-65-8
Min.Order:1 Metric Ton
FOB Price: $1.0 / 2.0
Type:Manufacturers
inquiryAppearance:Slightly yellow crystal powder Storage:R.T Package:25kg/drum Application:antiparasitic drugs Transportation:Express/Sea/Air Port:Any port in China
Cas:102-65-8
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
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:102-65-8
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:102-65-8
Min.Order:1 Kilogram
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Type:Lab/Research institutions
inquiryHanways Chempharm Co., Limited, the former is Hubei Hanways Pharchem CO.,Limited, set up in 2009 in Wuhan, China. We specialize in sourcing and supplying APIs, pharmaceutical intermediates, and fine chemicals for worldwide markets. The founder has d
Cas:102-65-8
Min.Order:1 Kilogram
FOB Price: $1.0
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:102-65-8
Min.Order:10 Gram
FOB Price: $1.32
Type:Trading Company
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:102-65-8
Min.Order:1 Kilogram
FOB Price: $24.0 / 30.0
Type:Trading Company
inquiryN-(5-CHLORO-3-PYRAZINE)-4-AMINOBENZENESULFONAININO CAS:102-65-8 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing
Cas:102-65-8
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:102-65-8
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryMinimum Order Qty. 10 Gram Supply Ability 500 Kilograms/Month Storage store in cool, dry, ventilated place 20℃ Delivery Time 3 business days after payment Payment Term TT,western union,Paypal,MoneyGram Package 10g,20g,50g,100g,500g,1KGS,
PRODUCT DETAILS
Cas:102-65-8
Min.Order:500 Kilogram
FOB Price: $1.0 / 2.0
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
Cas:102-65-8
Min.Order:0
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Type:Lab/Research institutions
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
Cas:102-65-8
Min.Order:10 Gram
FOB Price: $1.0 / 10.0
Type:Lab/Research institutions
inquiryProduct Name:Sulfachloropyrazine sodium CAS No.:102-65-8 MF:C10H9ClN4O2S MW:284.72 EINECS No.:203-044-0 Assay : 98% Packaging: 25kg/Bag, 25kg/Drum or depends on your requirements. Shipping: Timely delivery after your payment Superiority :
Cas:102-65-8
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryOur 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:102-65-8
Min.Order:10 Gram
Negotiable
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:102-65-8
Min.Order:0 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryHubei 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:102-65-8
Min.Order:1 Kilogram
FOB Price: $3.0 / 5.0
Type:Trading Company
inquiry4-amino-N-(6-chloropyrazin-2-yl)benzenesulfonamide
Conditions | Yield |
---|---|
With tin(II) chloride dihdyrate In ethanol at 80℃; for 0.5h; | 81% |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: hydrogenchloride; pyridine / acetone / 20 °C / Sealed tube 2: tin(II) chloride dihdyrate / ethanol / 0.5 h / 80 °C View Scheme |
8-acetyl-7-hydroxy-4-methyl-2H-chromen-2-one
4-amino-N-(6-chloropyrazin-2-yl)benzenesulfonamide
Conditions | Yield |
---|---|
With acetic acid for 1h; Reflux; |
4-amino-N-(6-chloropyrazin-2-yl)benzenesulfonamide
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: hydrogenchloride; sodium nitrite / water / Cooling with ice 1.2: 0.25 h / Cooling with ice 2.1: ammonium hydroxide / water; ethanol / Heating View Scheme |
4-amino-N-(6-chloropyrazin-2-yl)benzenesulfonamide
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: hydrogenchloride; sodium nitrite / water / Cooling with ice 1.2: 0.25 h / Cooling with ice 2.1: ammonium hydroxide / ethanol / Heating View Scheme |
4-amino-N-(6-chloropyrazin-2-yl)benzenesulfonamide
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: hydrogenchloride; sodium nitrite / water / Cooling with ice 1.2: 0.25 h / Cooling with ice 2.1: ammonium hydroxide / ethanol / Heating View Scheme |
Conditions | Yield |
---|---|
Stage #1: 4-amino-N-(6-chloropyrazin-2-yl)benzenesulfonamide With hydrogenchloride; sodium nitrite In water Cooling with ice; Stage #2: 1-hydroxy-2-naphthoic acid With sodium hydroxide In water for 0.25h; Cooling with ice; |
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