4-Chloropyridine-3-sulfonamide

Name: 4-Chloropyridine-3-sulfonamide
Brand: Vaqora Chemicals
SKU: VQ-049518

About 4-Chloropyridine-3-sulfonamide

4-Chloropyridine-3-sulfonamide (CAS 33263-43-3) is a process intermediate or related compound of Torsemide offered by Vaqora Chemicals. Its molecular formula is C5H5ClN2O2S and its molecular weight is 192.62 g/mol. Alternative names: 4-Chloro-3-pyridinesulfonamide and 4-Chloro-3-pyridinesulphonamide.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. It carries the GHS signal word “Warning” with 4 hazard statements. Review the Safety Data Sheet before use.

Process chemists and analysts use it when developing synthetic routes to Torsemide, tracking process-related impurities and validating analytical methods. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

We offer 4-Chloropyridine-3-sulfonamide in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

API route development
Impurity fate & purge studies
Analytical method development

Industries

Related to Torsemide

View every impurity, metabolite and intermediate we list for Torsemide.

Torsemide impurities

Specifications & identifiers

Chemical identifiers
Product name	4-Chloropyridine-3-sulfonamide
Catalogue No.	VQ-049518
CAS Number	33263-43-3
IUPAC name	4-chloropyridine-3-sulfonamide
Molecular formula	C₅H₅ClN₂O₂S
Molecular weight	192.62 g/mol
Exact mass	191.976
HSN code	2933
InChIKey	DGIINIBYHCODIH-UHFFFAOYSA-N
SMILES	C1=CN=CC(=C1Cl)S(=O)(=O)N
PubChem CID	118426

Physical properties
Physical form	Solid
H-bond donors / acceptors	1 / 4
TPSA	81.4 Å²
Synonyms	4-Chloro-3-pyridinesulfonamide, 4-Chloro-3-pyridinesulphonamide, 3-Pyridinesulfonamide, 4-chloro-, 4-Chloropyridine-3-sulphonamide, 4-Chloro-pyridine-3-sulfonic acid amide, 4-Chloropyridin-3-sulfonamide, 4-Chloro-3-pyridinesulfonamide, AldrichCPR

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of 4-Chloropyridine-3-sulfonamide?

The CAS Registry Number of 4-Chloropyridine-3-sulfonamide is 33263-43-3. It is also known as 4-Chloro-3-pyridinesulfonamide, 4-Chloro-3-pyridinesulphonamide, 3-Pyridinesulfonamide, 4-chloro-.

What is the molecular formula and molecular weight of 4-Chloropyridine-3-sulfonamide?

4-Chloropyridine-3-sulfonamide has the molecular formula C5H5ClN2O2S and a molecular weight of 192.62 g/mol. Its IUPAC name is 4-chloropyridine-3-sulfonamide.

What is 4-Chloropyridine-3-sulfonamide used for?

4-Chloropyridine-3-sulfonamide is supplied as a characterised reference material related to Torsemide. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of 4-Chloropyridine-3-sulfonamide can I order?

We supply 4-Chloropyridine-3-sulfonamide, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 4-Chloropyridine-3-sulfonamide?

Yes. Every lot of 4-Chloropyridine-3-sulfonamide is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can 4-Chloropyridine-3-sulfonamide be shipped internationally?

Yes. 4-Chloropyridine-3-sulfonamide is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.