img _fcksaAppearance:White powder Storage:Store in dry, dark and ventilated place. Package:according to the clients requirement Application:It is an important raw material and intermediate used in Organic Synthesis, Pharmaceuticals, Agrochemicals a
Cas:636-73-7
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:636-73-7
Min.Order:1 Kilogram
Negotiable
Type:Manufacturers
inquiryProduct description: Product name 3-Pyridinesulfonic acid CAS number 636-73-7 Assay ≥99% Appearance White to off-white powder Capacity 200mt/year Application Pharmaceutical i
Cas:636-73-7
Min.Order:10 Gram
FOB Price: $12.0
Type:Lab/Research institutions
inquiryUnique advantages Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:White crystal or crystalline powder Storage:cool dry place Package:1kg/foil bag;25kg/drum Application:pharmaceutic
Cas:636-73-7
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
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
Our 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:636-73-7
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
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:636-73-7
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiry1. Product advantages ♦ High purity, all above 98.5%, no impurities after dissolution ♦ We will test each batch to ensure quality ♦ OEM and private brand services designed for free ♦ Various cap colors available ♦ W
Cas:636-73-7
Min.Order:1 Kilogram
FOB Price: $7.0 / 11.0
Type:Trading Company
inquiry1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; Appearance:white or off-white powder Storage:Store in sealed containers
Cas:636-73-7
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:636-73-7
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry3-Pyridinesulfonic acid CAS:636-73-7 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 int
Cas:636-73-7
Min.Order:1 Gram
Negotiable
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
Hello, 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:636-73-7
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
Best 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
Hangzhou 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:636-73-7
Min.Order:0 Metric Ton
Negotiable
Type:Lab/Research institutions
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
Cas:636-73-7
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryPacking: According to customer requirements Delivery time: In stock or depands Port of shipment: Ningbo/Shanghai/Qingdao OEM/ODM:Welcome Sample:We can offer our existing samples at once Transportation:Express/Sea/Air Port:Ningbo/Shanghai/Qingd
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
Why Choose Us: 1. Factory direct sales, so we can provide the competitive price and high quality product base on 8 years of production and R&D experience. 2. It is available in stock for quick shipment.Products could be packaged according to cu
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:636-73-7
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
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:636-73-7
Min.Order:100 Gram
FOB Price: $100.0 / 2000.0
Type:Lab/Research institutions
inquiry1.A strong technical force and advanced processing equipments. The quality of the products has been strictly inspected and all kinds of index have reached or exceeded domestic and international standards. 2. Now we have established long-term s
Cas:636-73-7
Min.Order:1 Metric Ton
FOB Price: $1.0
Type:Other
inquiryProduct Name: 3-Pyridinesulfonic acid Synonyms: 3-sulfopyridine;PYRIDINE-3-SULPHONIC ACID;PYRIDINE-3-SULFONIC ACID;3-pyridylsulfonicacid;Pyridinesulfonic aci;3-Pyridinesulfonic acid >=98.0% (T);Pyridine-3-sulfonic acid for synthesis;Vonoprazan
Cas:636-73-7
Min.Order:1 Kilogram
FOB Price: $300.0
Type:Lab/Research institutions
inquiryProduct Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,
Cas:636-73-7
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryHigh quality, competitive price, fast delivery and first-class service we possesses have won the trust and praise of customers. Standard: BP/USP/EP The purity is equal or greater than 99%. As a supplier, we can provide high-quality products. Cle
Cas:636-73-7
Min.Order:1 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiry3-Pyridinesulfonic acid Chemical Properties Melting point >300 °C (lit.) density 1.7130 refractive index 1.5480 (estimate) storage temp. Store below +30°C. pka -2.30±0.18(Predicted) form Crystalline Powder col
Cas:636-73-7
Min.Order:1 Gram
FOB Price: $66.0
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:636-73-7
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
Type:Trading Company
inquiryProduct name: 3-Pyridinesulfonic Acid CAS No.:636-73-7 Molecule Formula:C5H4NO3S Molecule Weight:158.16 Purity: 99.0% Package: 25kg/drum Description:White crystalline powder Manufacture Standards:Enterprise Standard
Cas:636-73-7
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryHangzhou Huarong Pharm Co., Ltd.established since 2006 , has been actively developing specialty products for Finished Dosages, APIs, Intermediates, and Fine chemicals markets in North America, Europe, Korea, Japan, Mid-East and all over the World. Hu
Conditions | Yield |
---|---|
With sulfuric acid at 320 - 330℃; im Rohr; | |
With vanadium sulfate; sulfuric acid | |
With sulfur trioxide; mercury(II) sulfate at 225 - 235℃; |
4-amino-pyridine-3-sulfonic acid
3-pyridinesulfonic acid
Conditions | Yield |
---|---|
Diazotization; |
pyridine
sulfuric acid
sulfur trioxide
3-pyridinesulfonic acid
Conditions | Yield |
---|---|
at 260℃; |
3-pyridinesulfonic acid
Conditions | Yield |
---|---|
With ethanol nachfolgend Eindampfen auf dem Wasserbad; |
pyridine
sulfuric acid
A
pyridin-4-ol
B
pyridine-4-sulfonic acid
C
3-pyridinesulfonic acid
Conditions | Yield |
---|---|
at 330℃; |
Conditions | Yield |
---|---|
at 300℃; |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: zinc-dust / durch Destillation 2: concentrated sulfuric acid View Scheme |
Conditions | Yield |
---|---|
With sodium hydroxide; sodium hydrogensulfite; aluminum nickel In water | |
With hydrogenchloride; sodium hydroxide; dihydrogen peroxide; sodium sulfite; aluminum nickel In ethanol; water; ethylene glycol; isopropyl alcohol |
3-pyridinesulfonic acid
Pyridine-3-sulfonyl chloride
Conditions | Yield |
---|---|
With phosphorus pentachloride In trichlorophosphate at 120℃; for 12h; | 98% |
With phosphorus pentachloride; trichlorophosphate for 3h; Heating / reflux; | 94% |
With phosphorus pentachloride In toluene Heating; | 92% |
3-pyridinesulfonic acid
pyridine-3-sulfonyl chloride hydrochloride
Conditions | Yield |
---|---|
Stage #1: 3-pyridinesulfonic acid With phosphorus pentachloride; trichlorophosphate at 120℃; Stage #2: With hydrogenchloride In dichloromethane at 5℃; Further stages.; | 97% |
Stage #1: 3-pyridinesulfonic acid With phosphorus pentachloride; trichlorophosphate at 120℃; for 15h; Stage #2: With hydrogenchloride In chloroform | 83% |
Stage #1: 3-pyridinesulfonic acid With phosphorus pentachloride; trichlorophosphate at 120℃; for 8h; Stage #2: With hydrogenchloride In chloroform at 20℃; | 81% |
Conditions | Yield |
---|---|
Stage #1: 3-pyridinesulfonic acid With trichloroisocyanuric acid; triphenylphosphine In tetrahydrofuran at 0 - 5℃; Stage #2: With sodium azide In tetrahydrofuran at 5 - 20℃; | 94% |
Multi-step reaction with 2 steps 1.1: PCl5; POCl3 / 120 °C 1.2: 97 percent / HCl / CH2Cl2 / 5 °C 2.1: 80 percent / NaN3 / H2O; acetone / 20 °C View Scheme | |
Multi-step reaction with 2 steps 1: PCl5 2: 80 percent / NaN3 / H2O / 1 h View Scheme |
3-pyridinesulfonic acid
Conditions | Yield |
---|---|
With Amberlite IRA-94S; fluorine In various solvent(s) bath temperature 0 deg C; | 87% |
3-pyridinesulfonic acid
Conditions | Yield |
---|---|
With triethylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate In dichloromethane at 20℃; for 5h; | 72% |
3-pyridinesulfonic acid
bis(4-pyridyl) disulfide
water
zinc(II) carbonate
Conditions | Yield |
---|---|
In ethanol; water suspn. of ZnCO3 in hot H2O slowly added to soln. of 2 equiv. of pyridine-3-sulfonic acid in H2O, treated with 2 equiv. of 4,4'-dipyridyldisulfide in EtOH, stirred at room temp. for 1 week; crystd. at room temp. for 15 d; | 70% |
Conditions | Yield |
---|---|
In ethanol; water suspn. of Cu complex in H2O slowly treated with 2 equiv. of pyridine-3-sulfonic acid in C2H5OH, refluxed for 1 h; cooled to room temp., washed (H2O), dried (vac.), elem. anal.; | 69% |
3-pyridinesulfonic acid
diethyl ether
dichloromethane
3-pyridinesulfonamide
Conditions | Yield |
---|---|
With pyridine; dmap In water | 68.9% |
3-pyridinesulfonic acid
Conditions | Yield |
---|---|
With sodium carbonate In methanol Inert atmosphere; Reflux; | 62.3% |
3-pyridinesulfonic acid
Conditions | Yield |
---|---|
In water byproducts: HCl; to a suspn. of the complex in water was added the sulfonic acid, stirred for 2 d at 50°C; filtered, washed with cold water, dried in air, washed with CH2Cl2, dried in air; elem. anal.; | 62% |
3-pyridinesulfonic acid
cobalt(II) diacetate tetrahydrate
bis(pyridine-3-sulfonate)tetraaquacobalt(II)
Conditions | Yield |
---|---|
With NaOH In water mixt. of Co salt and ligand (1:2) heated at 80°C under stirring, pH adjusted to 5.0 (NaOH); crystd. at room temp. in air for 2 weeks, elem. anal.; | 62% |
3-pyridinesulfonic acid
Conditions | Yield |
---|---|
With triethylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate In dichloromethane at 20℃; for 5h; | 60% |
Conditions | Yield |
---|---|
With triethylamine In methanol for 3h; Inert atmosphere; Reflux; | 60% |
3-pyridinesulfonic acid
hexamethylenetetramine
water
silver(I) acetate
Conditions | Yield |
---|---|
With NH3 In water pyridine-3-sulfonic acid and hexamethylenetetramine (1:1 mol) added to aq. soln. of MeCOOAg (1 mol); mixt. stirred for 15 min; ppt. dissolved byaddn. of 14 M aq. soln. NH3; evapd. at room temp. for 5 d; elem. anal.; | 52% |
Conditions | Yield |
---|---|
With silver(l) oxide 1) H2O, 3.5 h, 2) 2-propanol, RT, 3 d; | 50% |
3-pyridinesulfonic acid
Conditions | Yield |
---|---|
With NaOH In water mixt. of Cu salt and ligand (1:2) heated at 80°C under stirring, pH adjusted to 5.0 (NaOH); crystd. at room temp. in air for 2 weeks, elem. anal.; | 48% |
Conditions | Yield |
---|---|
With triethylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate In dichloromethane at 20℃; for 5h; | 45% |
methanol
3-pyridinesulfonic acid
2,2'-bipyridine-6,6'-dicarboxylic acid
triethylamine
Conditions | Yield |
---|---|
Stage #1: 2,2'-bipyridine-6,6'-dicarboxylic acid; cis-[Ru(dmso)4Cl2]; triethylamine In methanol for 3h; Reflux; Inert atmosphere; Stage #2: methanol; 3-pyridinesulfonic acid Inert atmosphere; Reflux; | 31% |
3-pyridinesulfonic acid
Conditions | Yield |
---|---|
In water pyridine sulfonic acid added to HgNO3, kept for 3-4 h; filtered, washed with H2O, dried in vac., elem. anal.; | 30% |
Conditions | Yield |
---|---|
Stage #1: dichlorotetrakis(dimethylsulfoxide)ruthenium(II); 3,5-bis{6-(2,2’-bipyridyl)}-4-methyl-1H-pyrazole With triethylamine In ethanol for 2h; Inert atmosphere; Schlenk technique; Reflux; Stage #2: 3-pyridinesulfonic acid; water; sodium hydroxide Inert atmosphere; Schlenk technique; Reflux; | 22% |
3-pyridinesulfonic acid
bis(4-pyridyl) disulfide
copper(II) acetate monohydrate
Conditions | Yield |
---|---|
In ethanol; water soln. of 2 equiv. of pyridine-3-sulfonic acid in H2O added slowly to soln. of Cu salt in H2O, layered with EtOH soln. of 4,4'-dipyridyldisulfide(1 equiv.); crystd. at room temp.; | 21% |
Conditions | Yield |
---|---|
Alkalischmelze; | |
bei der Kalischmelze; | |
With sodium hydroxide at 160 - 210℃; for 3h; Temperature; |
Conditions | Yield |
---|---|
bei der trocknen Destillation; |
3-pyridinesulfonic acid
4-amino-3,5-dibromopyridine
Conditions | Yield |
---|---|
With bromine |
3-pyridinesulfonic acid
7β-<2-(2-aminothiazol-4yl)-2-(Z)-methoximinoacetamide>-3-iodomethyl-2-<(trimethylsilyloxy)carbonyl>cephalosporin
C19H18N6O8S3
Conditions | Yield |
---|---|
With methanol 1.) acetonitrile, RT, 3 h, 2.) acetone; Multistep reaction; |
3-pyridinesulfonic acid
pyridine-3-thiol
Conditions | Yield |
---|---|
Yield given. Multistep reaction; |
3-pyridinesulfonic acid
descarboethoxyloratadine
Conditions | Yield |
---|---|
With dmap; 4-Nitrobenzenesulfonyl chloride 1.) pyridine, 0 deg C, 7 h, 2.) 0 deg C, 1 h; 20 deg C, overnight; Yield given. Multistep reaction; |
3-pyridinesulfonic acid
8-Chloro-11-piperidin-(3E)-ylidene-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridine
Conditions | Yield |
---|---|
With dmap; 4-Nitrobenzenesulfonyl chloride 1.) pyridine, 0 deg C, 7 h, 2.) 0 deg C, 1 h; 20 deg C, overnight; Yield given. Multistep reaction. Yields of byproduct given; |
About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia
Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog
©2008 LookChem.com,License: ICP
NO.:Zhejiang16009103
complaints:service@lookchem.com Desktop View