4-Chloro-3-pyridinesulfonamide

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Chemical Name: 4-Chloro-3-pyridinesulfonamide
CAS.NO:   33263-43-3
Synonyms:
4-CHLORO-3-PYRIDINESULFAMIDE
4-Chloropyridine-3-Sulfamide
4-CHLOROPYRIDINE-3-SULFONAMIDE
4-Choropyridine
4-chloro-pyridine-3-sulphonamide
4-Chloropyridin-3-sulfonamide
4-CHOROPYRIDINE-3-SULPHONAMIDE
4-Chloropyridine-sulphonamide
4-chloro-pyridine-3-sulfonic acid amide
4-chloropyridin-3-yl-sulfonamide
3-PYRIDINE-4-CHLOROSULFONAMIDE
4-Chloro-3-Sulfamoylpyridine

Molecular Formula: C5H5ClN2O2S
Molecular Weight: 192.62300

Physical and Chemical Properties:
Density: 1.558g / cm3
Boiling point: 380.4ºC at 760mmHg
Melting point: 150-155 ° C
Flash point: 183.9ºC
Refractive index: 1.592

Specification:
Appearance:  Off-white or Slight Yellow Crystalline Powder
Purity:≥98.0%
Loss on Drying:1.0 %Max
Individual impurities :1.0 %Max
Sum of impurities:2.0 %Max

Packing:
 25kg  cardboard drum or according to customer specified requirements
Storage:
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
Application: 
4-Chloro-3-pyridinesulfonamide is a building block that has been used as a reactant for the preparation of heterocyclic 4-substituted pyridine-3-sulfonamide derivatives as inhibitors of four isoforms of zinc enzyme carbonic anhydrase.Intermediates of Cefozopran CAS:113359-04-9.

4-Chloro-3-pyridinesulfonamide


Related News: According to statistics, in 2017, China’s total production of chemical drugs reached 3.478 million tons, a year-on-year increase of 1.6%. The main business income showed a steady increase, from 328.972 billion yuan in 2012 to 573.475 billion yuan in 2017. The total profit was 48.644 billion yuan, but profit margins remain low (8.48% in 2017).1,1-dicloropinacolina CAS:22591-21-5 At present, the additional 300 tons of sunniamine, 300 tons of fluoxamic acid, and 200 tons of cyprodinil have been successfully put into production, and the profitability is good.5-Chloro-3-[N-(methoxy-carbonyl-methyl)sulfamoyl]-2-thiophene carboxylic acid methyl ester The rigosertib Pre-approval Access Program is expected to launch in first half of 2020 and will allow Inceptua to supply intravenous rigosertib within designated countries, primarily and initially concentrated in selected countries in Europe, in response to physician requests for patients with higher-risk MDS who have exhausted all available treatment options, and are not eligible for or have no access to the INSPIRE study.3-FLUOROPHENYL ISOTHIOCYANATE CAS:404-72-8 The rigosertib Pre-approval Access Program is expected to launch in first half of 2020 and will allow Inceptua to supply intravenous rigosertib within designated countries, primarily and initially concentrated in selected countries in Europe, in response to physician requests for patients with higher-risk MDS who have exhausted all available treatment options, and are not eligible for or have no access to the INSPIRE study.The rigosertib Pre-approval Access Program is expected to launch in first half of 2020 and will allow Inceptua to supply intravenous rigosertib within designated countries, primarily and initially concentrated in selected countries in Europe, in response to physician requests for patients with higher-risk MDS who have exhausted all available treatment options, and are not eligible for or have no access to the INSPIRE study.

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