2-Amino-4-chlorobenzene-sulfonamide

Name: 2-Amino-4-chlorobenzene-sulfonamide
Brand: Vaqora Chemicals
SKU: VQ-032432

About 2-Amino-4-chlorobenzene-sulfonamide

2-Amino-4-chlorobenzene-sulfonamide is an impurity of Hydrochlorothiazide carrying the CAS registry number 4140-83-4. Formula C6H7ClN2O2S, molecular weight 206.65 g/mol. Alternative names: 2-Amino-4-chlorobenzenesulphonamide and 2-amino-4-chlorobenzene-1-sulfonamide.

The product is provided as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

This Hydrochlorothiazide impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. It is used across pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies 2-Amino-4-chlorobenzene-sulfonamide in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide. SDS and detailed specification sheets can be requested with your quotation.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Hydrochlorothiazide

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

Hydrochlorothiazide impurities

Specifications & identifiers

Chemical identifiers
Product name	2-Amino-4-chlorobenzene-sulfonamide
Catalogue No.	VQ-032432
CAS Number	4140-83-4
IUPAC name	2-amino-4-chlorobenzenesulfonamide
Molecular formula	C₆H₇ClN₂O₂S
Molecular weight	206.65 g/mol
Exact mass	205.9917
Grade	Reference Standard
HSN code	38229090
InChIKey	HWQDHHCUOZZFIG-UHFFFAOYSA-N
SMILES	C1=CC(=C(C=C1Cl)N)S(=O)(=O)N
PubChem CID	77790

Physical properties
Physical form	Solid
LogP (XLogP3)	0.8
H-bond donors / acceptors	2 / 4
TPSA	94.6 Å²

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 2-Amino-4-chlorobenzene-sulfonamide?

The CAS Registry Number of 2-Amino-4-chlorobenzene-sulfonamide is 4140-83-4. It is also known as 2-Amino-4-chlorobenzenesulphonamide, 2-amino-4-chlorobenzene-1-sulfonamide, Benzenesulfonamide, 2-amino-4-chloro-.

What is the molecular formula and molecular weight of 2-Amino-4-chlorobenzene-sulfonamide?

2-Amino-4-chlorobenzene-sulfonamide has the molecular formula C6H7ClN2O2S and a molecular weight of 206.65 g/mol. Its IUPAC name is 2-amino-4-chlorobenzenesulfonamide.

What is 2-Amino-4-chlorobenzene-sulfonamide used for?

2-Amino-4-chlorobenzene-sulfonamide is supplied as a characterised reference material related to Hydrochlorothiazide. 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 2-Amino-4-chlorobenzene-sulfonamide can I order?

We supply 2-Amino-4-chlorobenzene-sulfonamide in Reference Standard grade, 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 2-Amino-4-chlorobenzene-sulfonamide?

Yes. Every lot of 2-Amino-4-chlorobenzene-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 2-Amino-4-chlorobenzene-sulfonamide be shipped internationally?

Yes. 2-Amino-4-chlorobenzene-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.