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:144-83-2
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryWe 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 C
Cas:144-83-2
Min.Order:1 Gram
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
1. 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:144-83-2
Min.Order:1 Gram
FOB Price: $0.1
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
Sulfapyridine Basic information Product Name: Sulfapyridine Synonyms: 2-(p-Aminobenzenesulfonamido)pyridine;2-(p-Aminobenzenesulphonamido)pyridine;2-Sulfanilamidopy
Our 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
WITH 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:144-83-2
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
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:144-83-2
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquirySulfapyridine CAS:144-83-2 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality organic intermediates
Cas:144-83-2
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
Advantage : LIDE PHARMACEUTICALS LTD. is a mid-small manufacturing-type enterprise, engaged in pharmaceutical intermediates of R&D, custom-made and production, and also involving trading chemicals for export. We have established the R&
Cas:144-83-2
Min.Order:0
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
1. 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:144-83-2
Min.Order:1 Kilogram
FOB Price: $10.0 / 20.0
Type:Lab/Research institutions
inquiry1)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 etc. 3) OEM/ODM Available; 4) Reasonable & Compet
Cas:144-83-2
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryOur Services 1. New Molecules R&D 2. Own test center HPLC NMR GC LC-MS 3. API and Intermediates from China reputed manufacturers 4. Documents support COA MOA MSDS DMF open part Our advantages 1. Government awarded company. Top 100 enter
Cas:144-83-2
Min.Order:1 Kilogram
FOB Price: $1.0 / 100000.0
Type:Lab/Research institutions
inquiry1,we produce and sell good chemicals around the world. 2,our success rate is about 95%. this means, if customer order is accepted, the probability that the customer will obtain the ordered substances, is 95%. 3,our staff consists of highly qualifie
Cas:144-83-2
Min.Order:1 Kilogram
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
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
Zibo 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:144-83-2
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryGMPAppearance:off-white crystalline powder Storage:2-8°C Package:as client requirement Application:Used in treatment of dermatitis herpetiformis; antibacterial. Transportation:Express, Air ,Sea Port:Any port of China
Superior quality, moderate price & quick delivery Appearance:white crystal powder Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:25kg/drum, or as per your request. Application:sulfa drug, used to treat the in
Established in May 2015, TaiChem Ltd. is initially invested by a British research and development company and started by PhDs back from aboard. The company is registered in China Medical City (CMC), Taizhou, Jiangsu Province, and the production site
Product name: Sulfapyridine CAS No.:144-83-2 Molecule Formula:C11H11N3O2S Molecule Weight:249.29 Purity: 99.0% Package: 25kg/drum Description:White or off-white powder Manufacture Standards:Enterprise Standard TEST
Cas:144-83-2
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,
We produce carbomer by our own factory,carbomer 940 is our best seller.It is used for cosmetic and medical.And we also become agent for lubrizol.Our carbomer 940 get high viscosity and good transparency.The price will depond on the market,surely supp
Cas:144-83-2
Min.Order:0
Negotiable
Type:Trading Company
inquiryHangzhou Dingyan Chem is a leading manufacturer and supplier of chemicals in China.We develop,produce and distribute high quality pharmaceuticals, intermediates, special chemicals and other fine chemicals. We could give you: 1.Best qualit
high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou
high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,Pharmaceutical intermediates Transportation:air,sea,courier
Cas:144-83-2
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryWhy is SINOWAY:1) Specialized in pharmaceutical and healthcare industrial since 19872) ISO 9001:2015 & SGS audited supplier . 3) Accept various payment terms : T.T 30-60 days.4) We have warehouse in USA with quickly shipment .5) We can do different t
Cas:144-83-2
Min.Order:0
Negotiable
Type:Trading Company
inquiryConditions | Yield |
---|---|
With iron; ammonium chloride In methanol at 80℃; for 3h; Temperature; Solvent; | 81% |
With iron; acetic acid | |
With iron; ammonium chloride In methanol; water at 70℃; for 4h; | |
With sodium hydroxide; water; iron(II) sulfate |
Conditions | Yield |
---|---|
With N,N-dimethyl-aniline at 180℃; |
2-aminopyridine
N-dichlorophosphoryl-sulfanilyl chloride
sulphapyridine
2-aminopyridine
3-(4-acetylamino-benzenesulfonyl)-2-benzenesulfonylimino-2,3-dihydro-thiazole
sulphapyridine
Conditions | Yield |
---|---|
With pyridine; sodium hydroxide; water |
Conditions | Yield |
---|---|
at 140℃; | |
Stage #1: 2-aminopyridine; p-acetylaminobenzenesulfonyl chloride With pyridine In tetrahydrofuran at 20℃; for 6h; Stage #2: With sodium hydroxide for 2h; Reflux; |
Conditions | Yield |
---|---|
With copper; potassium carbonate at 180℃; |
Conditions | Yield |
---|---|
With copper; potassium carbonate at 150℃; |
Conditions | Yield |
---|---|
With ammonia; water; copper; copper dichloride at 150 - 160℃; | |
With ammonia; water; copper(l) chloride at 150 - 175℃; |
4-(butanoylamino)benzenesulfonyl chloride
Natrium-Verbindung des [2]Pyridylamins
sulphapyridine
Conditions | Yield |
---|---|
With sodium hydroxide; water; Petroleum ether |
N-acetylsulfapyridine
sulphapyridine
Conditions | Yield |
---|---|
With sodium hydroxide; water | |
With calcium hydroxide; water | |
With hydrogenchloride; water at 60℃; |
sulphapyridine
Conditions | Yield |
---|---|
With nickel at 60 - 70℃; under 2574.3 Torr; Hydrogenation.in wss.-aethanol. NaOH; | |
With hydrogenchloride; tin; water |
Conditions | Yield |
---|---|
With pyridine; sodium hydroxide; water |
Conditions | Yield |
---|---|
With xylene |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: dioxane 2: NaOH; water View Scheme | |
Multi-step reaction with 2 steps 1: pyridine; acetone 2: HCl; water; ethanol View Scheme | |
Multi-step reaction with 2 steps 1: pyridine 2: tin; HCl; water View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: dioxane 2: NaOH; water View Scheme | |
Multi-step reaction with 2 steps 1: pyridine; acetone 2: HCl; water; ethanol View Scheme | |
Multi-step reaction with 2 steps 1: CaCO3; H2O 2: Ca(OH)2; water View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: K2CO3; copper-powder / 220 °C 2: NaOH; water View Scheme |
4-(phenylazo)benzenesulfonyl chloride
sulphapyridine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: pyridine 2: tin; HCl; water View Scheme |
Azobenzene
sulphapyridine
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: chlorosulfuric acid / 125 °C 2: pyridine 3: tin; HCl; water View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: K2CO3; copper-powder / 220 °C 2: NaOH; water View Scheme |
sulphapyridine
Conditions | Yield |
---|---|
With mineral acid decompn. with strong mineral acid; | |
With mineral acid decompn. with strong mineral acid; | |
With mineral acid decompn. with strong mineral acid; |
2-hydroxy-5-(4-pyridin-2-ylsulfamoyl-phenylazo)-benzoic acid
A
5-Aminosalicylic Acid
B
sulphapyridine
Conditions | Yield |
---|---|
With azoreductase |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: dichloromethane / 0 - 20 °C 2: iron; ammonium chloride / methanol; water / 4 h / 70 °C View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: chlorosulfonic acid / 0.5 h / 60 °C 2: pyridine / 4 h / 0 - 20 °C 3: sodium hydroxide / methanol / 3 h / 70 °C View Scheme |
sulphapyridine
(E)-4-((2-amino-3-chloro-4-hydroxy-5-methylphenyl)diazenyl)-N-(pyridin-2-yl)benzenesulfonamide
Conditions | Yield |
---|---|
Stage #1: sulphapyridine With hydrogenchloride In methanol; water; acetonitrile at 0℃; for 0.25h; Stage #2: With isopentyl nitrite In methanol; water; acetonitrile at 0℃; for 0.916667h; Inert atmosphere; Stage #3: 2-chloro-6-methyl-1-hydroxy-3-aminobenzene With potassium carbonate In methanol; water; acetonitrile at 0℃; for 0.5h; pH=8 - 10; Inert atmosphere; | 99% |
Stage #1: sulphapyridine With hydrogenchloride In methanol; acetonitrile at 0℃; for 0.25h; Stage #2: With isopentyl nitrite In methanol; acetonitrile at 0 - 20℃; for 0.75h; Inert atmosphere; Stage #3: 2-chloro-6-methyl-1-hydroxy-3-aminobenzene With potassium carbonate In methanol; acetonitrile at 0 - 20℃; pH=8 - 10; Inert atmosphere; |
sulphapyridine
(Z)-S-benzo[d]thiazol-2-yl 2-(2-aminothiazol-4-yl)-2-(methoxyimino)ethanethioate
Conditions | Yield |
---|---|
With pyridine; triethylamine In ethanol; dichloromethane at 20℃; Inert atmosphere; | 96% |
Conditions | Yield |
---|---|
Stage #1: sulphapyridine With hydrogenchloride; sodium nitrite In water at 2℃; for 0.333333h; Stage #2: salicylic acid With sodium hydroxide In water at 7℃; for 1.5h; Temperature; Concentration; | 95.4% |
Stage #1: sulphapyridine With hydrogenchloride; sodium nitrite In water at 2℃; for 0.333333h; Stage #2: salicylic acid With sodium hydroxide In water at 7℃; for 1.5h; pH=10; Temperature; Time; Concentration; | |
Stage #1: sulphapyridine With hydrogenchloride; sodium nitrite In water at 0℃; Flow reactor; Stage #2: salicylic acid With glycine; sodium hydroxide In water; N,N-dimethyl-formamide at 25℃; pH=8.55 - 9; Flow reactor; |
Conditions | Yield |
---|---|
With acetic acid In ethanol at 60℃; for 2h; | 92% |
Conditions | Yield |
---|---|
In ethanol at 78℃; for 6h; | 92% |
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide for 22h; Reflux; | 91% |
sulphapyridine
Conditions | Yield |
---|---|
Stage #1: sulphapyridine With hydrogenchloride; sodium nitrite In water at 0 - 5℃; Stage #2: 2,2-dicyanomethyl-3-cyano-4,5,5-trimethyl dihydrofuran With sodium acetate In acetonitrile for 1h; | 91% |
5-(4-bromo-benzylidene)-2-methylsulfanyl-thiazol-4-one
sulphapyridine
Conditions | Yield |
---|---|
In acetic acid at 90℃; for 4h; | 90.3% |
Conditions | Yield |
---|---|
In acetic acid at 90℃; for 4h; | 90.1% |
4-methoxy-6-hydroxybenzofuran-5-carboxylic acid
sulphapyridine
6-hydroxy-4-methoxy-7-[2-(2-pyridinylsulphamoyl)phenylazo]benzofuran-5-carboxylic acid
Conditions | Yield |
---|---|
Stage #1: sulphapyridine With hydrogenchloride; sodium nitrite In water at 0 - 10℃; Stage #2: 6-hydroxy-4-methoxybenzofuran-5-carboxylic acid With sodium hydroxide In water at 5℃; | 90% |
Conditions | Yield |
---|---|
In 1,4-dioxane; acetic acid for 24h; Reflux; | 90% |
Conditions | Yield |
---|---|
In ethanol at 60℃; for 4h; | 89% |
Conditions | Yield |
---|---|
In ethanol at 78℃; for 6h; | 89% |
Conditions | Yield |
---|---|
In acetic acid at 90℃; for 4h; | 88.2% |
sulphapyridine
benzoic acid hydrazide
N,N-dimethyl-formamide dimethyl acetal
Conditions | Yield |
---|---|
With acetic acid In acetonitrile for 9h; Reflux; | 88% |
Conditions | Yield |
---|---|
In acetic acid at 90℃; for 6h; | 88% |
sulphapyridine
Conditions | Yield |
---|---|
In ethanol for 18h; Reflux; | 88% |
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide for 6h; Reflux; | 87% |
In ethanol Reflux; | 71% |
Conditions | Yield |
---|---|
With triethylamine In N,N-dimethyl-formamide for 18h; Reflux; | 86% |
thiophosgene
sulphapyridine
4-isothiocyanato-N-(pyridin-2-yl)benzenesulfonamide
Conditions | Yield |
---|---|
With hydrogenchloride In water at 20℃; | 86% |
Conditions | Yield |
---|---|
With tris(pentafluorophenyl)borate In N,N-dimethyl-formamide at 20℃; for 24h; Green chemistry; | 86% |
formaldehyd
sulphapyridine
5-amino-2,3-dihydro-1,3,4-thiadiazole-2-thione
Conditions | Yield |
---|---|
Stage #1: formaldehyd; 5-amino-2,3-dihydro-1,3,4-thiadiazole-2-thione In methanol for 1h; Stage #2: sulphapyridine In methanol for 2h; Stage #3: In methanol for 5h; Reflux; | 85% |
4-chloro-7-trifluoromethyl quinoline
sulphapyridine
N-(pyridin-2-yl)-4-(7-(trifluoromethyl)quinolin-4-ylamino)benzenesulfonamide
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide for 12h; Reflux; | 84% |
sulphapyridine
methyl 2-[(pyridinecarbonyl)amino]benzoate
Conditions | Yield |
---|---|
Stage #1: sulphapyridine With potassium tert-butylate In acetonitrile for 2h; Reflux; Stage #2: methyl 2-[(pyridinecarbonyl)amino]benzoate In acetonitrile Reflux; | 83% |
sulphapyridine
4-(4-methoxybenzylidene)-2-phenyl-5(4H)-oxazolone
4-{4-[1-(4-Methoxy-phenyl)-meth-(Z)-ylidene]-5-oxo-2-phenyl-4,5-dihydro-imidazol-1-yl}-N-pyridin-2-yl-benzenesulfonamide
Conditions | Yield |
---|---|
With sodium acetate In acetic acid for 4h; Heating; | 82% |
sulphapyridine
2-phenyl-4-(2'-methoxyphenylidene)-5-oxazolone
4-{4-[1-(2-Methoxy-phenyl)-meth-(Z)-ylidene]-5-oxo-2-phenyl-4,5-dihydro-imidazol-1-yl}-N-pyridin-2-yl-benzenesulfonamide
Conditions | Yield |
---|---|
With sodium acetate In acetic acid for 4h; Heating; | 82% |
Conditions | Yield |
---|---|
In ethanol for 4h; Reflux; | 82% |
In ethanol Heating; |
ethanol
sulphapyridine
3-Formylchromone
4-{[(2-ethoxy-4-oxo-2H-chromen-3(4H)ylidene)methyl]amino}-N-(pyridin-2-yl)benzenesulfonamide
Conditions | Yield |
---|---|
With acetic acid for 3.5h; Reflux; | 82% |
With toluene-4-sulfonic acid Heating; | 78% |
Conditions | Yield |
---|---|
Stage #1: sulphapyridine With hydrogenchloride; sodium nitrite In water at 0 - 5℃; Stage #2: curcumin With potassium hydroxide In water | 82% |
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