O-Desmethyl Sulfadoxine

Name: O-Desmethyl Sulfadoxine
Brand: Vaqora Chemicals
SKU: VQ-028140

About O-Desmethyl Sulfadoxine

Vaqora Chemicals supplies O-Desmethyl Sulfadoxine, a metabolite or degradation product of Sulfadoxine registered under CAS number 1346604-08-7. With the molecular formula C11H12N4O4S, it has a molar mass of 296.3 g/mol. Systematically, it is named 4-amino-N-(5-methoxy-6-oxo-1H-pyrimidin-4-yl)benzenesulfonamide.

The product is provided as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Handle it with standard laboratory precautions and appropriate personal protective equipment.

It is used in metabolite identification, stability-indicating method development and impurity profiling of Sulfadoxine, as well as in QC testing and ANDA/DMF documentation. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Metabolite identification
Stability-indicating methods
Impurity profiling

Industries

Related to Sulfadoxine

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

Sulfadoxine impurities

Specifications & identifiers

Chemical identifiers
Product name	O-Desmethyl Sulfadoxine
Catalogue No.	VQ-028140
CAS Number	1346604-08-7
IUPAC name	4-amino-N-(5-methoxy-6-oxo-1H-pyrimidin-4-yl)benzenesulfonamide
Molecular formula	C₁₁H₁₂N₄O₄S
Molecular weight	296.3 g/mol
Exact mass	296.0579
Grade	Reference Standard
HSN code	38229090
InChIKey	ZGBQDFTZEPDSMO-UHFFFAOYSA-N
SMILES	COC1=C(N=CNC1=O)NS(=O)(=O)C2=CC=C(C=C2)N
PubChem CID	136219911

Physical properties
Physical form	Solid
LogP (XLogP3)	-0.5
H-bond donors / acceptors	3 / 7
TPSA	131 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 O-Desmethyl Sulfadoxine?

The CAS Registry Number of O-Desmethyl Sulfadoxine is 1346604-08-7. It is also known as 4-Amino-N-(5-methoxy-6-oxo-1,6-dihydropyrimidin-4-yl)benzenesulfonamide.

What is the molecular formula and molecular weight of O-Desmethyl Sulfadoxine?

O-Desmethyl Sulfadoxine has the molecular formula C11H12N4O4S and a molecular weight of 296.3 g/mol. Its IUPAC name is 4-amino-N-(5-methoxy-6-oxo-1H-pyrimidin-4-yl)benzenesulfonamide.

What is O-Desmethyl Sulfadoxine used for?

O-Desmethyl Sulfadoxine is supplied as a characterised reference material related to Sulfadoxine. 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 O-Desmethyl Sulfadoxine can I order?

We supply O-Desmethyl Sulfadoxine 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 O-Desmethyl Sulfadoxine?

Yes. Every lot of O-Desmethyl Sulfadoxine 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 O-Desmethyl Sulfadoxine be shipped internationally?

Yes. We export O-Desmethyl Sulfadoxine worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.