4-Amino-2-chlorobenzene sulfonamide

Name: 4-Amino-2-chlorobenzene sulfonamide
Brand: Vaqora Chemicals
SKU: VQ-031078

About 4-Amino-2-chlorobenzene sulfonamide

4-Amino-2-chlorobenzene sulfonamide is an impurity of Hydrochlorothiazide carrying the CAS registry number 1954-94-5. With the molecular formula C6H7ClN2O2S, it has a molar mass of 206.65 g/mol. Alternative names: 4-Amino-2-chlorobenzene-1-sulfonamide and Benzenesulfonamide, 4-amino-2-chloro-.

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

As a characterised impurity of Hydrochlorothiazide, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

We offer 4-Amino-2-chlorobenzene sulfonamide in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

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	4-Amino-2-chlorobenzene sulfonamide
Catalogue No.	VQ-031078
CAS Number	1954-94-5
IUPAC name	4-amino-2-chlorobenzenesulfonamide
Molecular formula	C₆H₇ClN₂O₂S
Molecular weight	206.65 g/mol
Exact mass	205.9917
Grade	Reference Standard
HSN code	38229090
InChIKey	NIDOTDANGJJHPU-UHFFFAOYSA-N
SMILES	C1=CC(=C(C=C1N)Cl)S(=O)(=O)N
PubChem CID	12533522

Physical properties
Physical form	Solid
LogP (XLogP3)	0.3
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 4-Amino-2-chlorobenzene sulfonamide?

The CAS Registry Number of 4-Amino-2-chlorobenzene sulfonamide is 1954-94-5. It is also known as 4-Amino-2-chlorobenzene-1-sulfonamide, Benzenesulfonamide, 4-amino-2-chloro-, 3-Chloro-4-sulphamoylaniline.

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

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

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

4-Amino-2-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 4-Amino-2-chlorobenzene sulfonamide can I order?

We supply 4-Amino-2-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 4-Amino-2-chlorobenzene sulfonamide?

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

Yes. 4-Amino-2-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.