Nimesulide

Name: Nimesulide
Brand: Vaqora Chemicals
SKU: VQ-004010

About Nimesulide

Vaqora Chemicals supplies Nimesulide (IP/BP/USP grade), an analgesic / anti-inflammatory API registered under CAS number 51803-78-2 at a purity of ≥99%. Formula C13H12N2O5S, molecular weight 308.31 g/mol. Systematically, it is named N-(4-nitro-2-phenoxyphenyl)methanesulfonamide. Common synonyms include Aulin and 4'-Nitro-2'-phenoxymethanesulfonanilide.

It is supplied as yellow Needle-Like crystals. Store in a tightly closed container in a cool, dry and well-ventilated place. It carries the GHS signal word “Danger” with 1 hazard statement. Review the Safety Data Sheet before use.

As an active pharmaceutical ingredient within our analgesic and anti-inflammatory APIs range, it is offered in IP/BP/USP grade for formulation development, generic drug programmes and commercial manufacturing. Buyers come mainly from pharmaceutical manufacturing.

We offer Nimesulide in 1 kg, 5 kg and 25 kg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Pharmaceutical formulation
Generic drug development

Industries

Related to Nimesulide

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

Nimesulide impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Nimesulide
Catalogue No.	VQ-004010
CAS Number	51803-78-2
IUPAC name	N-(4-nitro-2-phenoxyphenyl)methanesulfonamide
Molecular formula	C₁₃H₁₂N₂O₅S
Molecular weight	308.31 g/mol
Exact mass	308.0467
Grade	IP/BP/USP
Purity / assay	≥99%
HSN code	2933
InChIKey	HYWYRSMBCFDLJT-UHFFFAOYSA-N
SMILES	CS(=O)(=O)NC1=C(C=C(C=C1)[N+](=O)[O-])OC2=CC=CC=C2
PubChem CID	4495

Physical properties
Physical form	Crystalline
Appearance	Yellow Needle-Like crystals
LogP (XLogP3)	2.6
H-bond donors / acceptors	1 / 6
TPSA	110 Å²
Synonyms	Aulin, Methanesulfonamide, N-(4-nitro-2-phenoxyphenyl)-, 4'-Nitro-2'-phenoxymethanesulfonanilide, N-(4-nitro-2-(phenoxy)phenyl)methanesulfonamide, N-[4-nitro-2-(phenoxy)phenyl]methanesulfonamide, Flogovital, Sulidene, 4-Nitro-2-phenoxy-methanesulfonanilide, Methanesulfonanilide, 4'-nitro-2'-phenoxy-, n-(4-nitro-2-phenoxyphenyl)methanesulphonamide, N-[4-Nitro-2-phenoxyphenyl]-methanesulfonamide, 4'-Nitro-2'-phenoxymethansulfonanilid

Safety & hazard information (GHS)

Toxic

Signal word: Danger

Hazard statements

H301Toxic if swallowed

Precautionary statements: P264, P270, P301 + P316, P321, P330, 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

Other grades of CAS 51803-78-2

Reference Standard

Nimesulide

CAS: 51803-78-2
Formula: C₁₃H₁₂N₂O₅S
MW: 308.31 g/mol

In stock

AR

Nimesulide, GR

CAS: 51803-78-2
Formula: C₁₃H₁₂N₂O₅S
MW: 308.31 g/mol

VQ-002911

Frequently asked questions

What is the CAS number of Nimesulide?

The CAS Registry Number of Nimesulide is 51803-78-2. It is also known as Aulin, Methanesulfonamide, N-(4-nitro-2-phenoxyphenyl)-, 4'-Nitro-2'-phenoxymethanesulfonanilide.

What is the molecular formula and molecular weight of Nimesulide?

Nimesulide has the molecular formula C13H12N2O5S and a molecular weight of 308.31 g/mol. Its IUPAC name is N-(4-nitro-2-phenoxyphenyl)methanesulfonamide.

What is Nimesulide used for?

Nimesulide is supplied as a characterised reference material related to Nimesulide. 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 Nimesulide can I order?

We supply Nimesulide in IP/BP/USP (≥99%) grade, in 1 kg, 5 kg, 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Nimesulide?

Yes. Every lot of Nimesulide 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 Nimesulide be shipped internationally?

Yes. Nimesulide 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.