4-(Nitrosoamino)benzenesulfonamide

Name: 4-(Nitrosoamino)benzenesulfonamide
Brand: Vaqora Chemicals
SKU: VQ-044909

About 4-(Nitrosoamino)benzenesulfonamide

4-(Nitrosoamino)benzenesulfonamide (CAS 343853-74-7) is a nitrosamine impurity of Celecoxib offered by Vaqora Chemicals. With the molecular formula C6H7N3O3S, it has a molar mass of 201.21 g/mol. The IUPAC name is 4-(2-oxohydrazinyl)benzenesulfonamide.

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. Good laboratory practice and suitable PPE are recommended during handling.

It is used as a reference standard for trace-level detection and quantitation of nitrosamine impurities by LC-MS/MS or GC-MS, supporting nitrosamine risk assessments for Celecoxib, method validation (AMV) and regulatory filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies 4-(Nitrosoamino)benzenesulfonamide in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Nitrosamine risk assessment
Trace LC-MS/MS quantitation
Method validation (AMV)
Regulatory submissions

Industries

Related to Celecoxib

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

Celecoxib impurities

Specifications & identifiers

Chemical identifiers
Product name	4-(Nitrosoamino)benzenesulfonamide
Catalogue No.	VQ-044909
CAS Number	343853-74-7
IUPAC name	4-(2-oxohydrazinyl)benzenesulfonamide
Molecular formula	C₆H₇N₃O₃S
Molecular weight	201.21 g/mol
Exact mass	201.0208
Grade	Reference Standard
HSN code	38229090
InChIKey	BZCURHCKDOASHG-UHFFFAOYSA-N
SMILES	C1=CC(=CC=C1NN=O)S(=O)(=O)N
PubChem CID	12776073

Physical properties
Physical form	Solid
LogP (XLogP3)	0.4
H-bond donors / acceptors	2 / 6
TPSA	110 Å²

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-(Nitrosoamino)benzenesulfonamide?

The CAS Registry Number of 4-(Nitrosoamino)benzenesulfonamide is 343853-74-7.

What is the molecular formula and molecular weight of 4-(Nitrosoamino)benzenesulfonamide?

4-(Nitrosoamino)benzenesulfonamide has the molecular formula C6H7N3O3S and a molecular weight of 201.21 g/mol. Its IUPAC name is 4-(2-oxohydrazinyl)benzenesulfonamide.

What is 4-(Nitrosoamino)benzenesulfonamide used for?

4-(Nitrosoamino)benzenesulfonamide is supplied as a characterised reference material related to Celecoxib. 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-(Nitrosoamino)benzenesulfonamide can I order?

We supply 4-(Nitrosoamino)benzenesulfonamide 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-(Nitrosoamino)benzenesulfonamide?

Yes. Every lot of 4-(Nitrosoamino)benzenesulfonamide 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-(Nitrosoamino)benzenesulfonamide be shipped internationally?

Yes. We export 4-(Nitrosoamino)benzenesulfonamide worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.