Sulfamethizole

Name: Sulfamethizole
Brand: Vaqora Chemicals
SKU: VQ-033978

About Sulfamethizole

Listed under CAS 144-82-1, Sulfamethizole is a high-purity reference standard of Sulfamethizole available from Vaqora Chemicals. The compound has the formula C9H10N4O2S2, corresponding to a molecular weight of 270.3 g/mol. Its systematic (IUPAC) name is 4-amino-N-(5-methyl-1,3,4-thiadiazol-2-yl)benzenesulfonamide. Alternative names: Sulfamethizol and Rufol.

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. It carries the GHS signal word “Warning” with 1 hazard statement. Review the Safety Data Sheet before use.

Laboratories use this Sulfamethizole standard for identity and assay testing, system suitability checks and method validation supporting ANDA and DMF filings. It is used across pharmaceutical manufacturing and academic and industrial research.

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

Typical applications

Identification & assay
Method development & validation
QC reference material

Industries

Related to Sulfamethizole

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

Sulfamethizole impurities

Specifications & identifiers

Chemical identifiers
Product name	Sulfamethizole
Catalogue No.	VQ-033978
CAS Number	144-82-1
IUPAC name	4-amino-N-(5-methyl-1,3,4-thiadiazol-2-yl)benzenesulfonamide
Molecular formula	C₉H₁₀N₄O₂S₂
Molecular weight	270.3 g/mol
Exact mass	270.0245
Grade	Reference Standard
HSN code	38229090
InChIKey	VACCAVUAMIDAGB-UHFFFAOYSA-N
SMILES	CC1=NN=C(S1)NS(=O)(=O)C2=CC=C(C=C2)N
PubChem CID	5328

Physical properties
Physical form	Solid
LogP (XLogP3)	0.5
H-bond donors / acceptors	2 / 7
TPSA	135 Å²
Synonyms	Sulfamethizol, Rufol, Sulfurine, Urosulfin, Methazol, Sulfametizol, Urocydal, Salimol, Sulfa gram, VK 53, 4-Amino-N-(5-Methyl-1,3,4-Thiadiazol-2-Yl)Benzene-1-Sulfonamide, Benzenesulfonamide, 4-amino-N-(5-methyl-1,3,4-thiadiazol-2-yl)-

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H317May cause an allergic skin reaction

Precautionary statements: P261, P272, P280, P302 + P352, P321, P333 + P317, P362 + P364, 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 Sulfamethizole?

The CAS Registry Number of Sulfamethizole is 144-82-1. It is also known as Sulfamethizol, Rufol, Sulfurine.

What is the molecular formula and molecular weight of Sulfamethizole?

Sulfamethizole has the molecular formula C9H10N4O2S2 and a molecular weight of 270.3 g/mol. Its IUPAC name is 4-amino-N-(5-methyl-1,3,4-thiadiazol-2-yl)benzenesulfonamide.

What is Sulfamethizole used for?

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

We supply Sulfamethizole 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 Sulfamethizole?

Yes. Every lot of Sulfamethizole 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 Sulfamethizole be shipped internationally?

Yes. Sulfamethizole 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.