Sulfadimethoxine EP Impurity B

Name: Sulfadimethoxine EP Impurity B
Brand: Vaqora Chemicals
SKU: VQ-035230

About Sulfadimethoxine EP Impurity B

Vaqora Chemicals supplies Sulfadimethoxine EP Impurity B, a pharmacopeial impurity of Sulfadimethoxine registered under CAS number 555-25-9. With the molecular formula C14H16N4O5S, it has a molar mass of 352.37 g/mol. Systematically, it is named N-[4-[(2,6-dimethoxypyrimidin-4-yl)sulfamoyl]phenyl]acetamide. Common synonyms include Sulfadimethoxine EP Impurity B (Free Base) and Sulfadimethoxine N4-Acetate.

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.

This Sulfadimethoxine impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Sulfadimethoxine EP Impurity B is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Pharmacopeial method verification
Impurity profiling
QC release testing
ANDA / DMF filings

Industries

Related to Sulfadimethoxine

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

Sulfadimethoxine impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Sulfadimethoxine EP Impurity B
Catalogue No.	VQ-035230
CAS Number	555-25-9
IUPAC name	N-[4-[(2,6-dimethoxypyrimidin-4-yl)sulfamoyl]phenyl]acetamide
Molecular formula	C₁₄H₁₆N₄O₅S
Molecular weight	352.37 g/mol
Exact mass	352.0841
Grade	Reference Standard
HSN code	38229090
InChIKey	WIYOSEJTAADVPJ-UHFFFAOYSA-N
SMILES	CC(=O)NC1=CC=C(C=C1)S(=O)(=O)NC2=CC(=NC(=N2)OC)OC
PubChem CID	473359

Physical properties
Physical form	Solid
LogP (XLogP3)	1.5
H-bond donors / acceptors	2 / 8
TPSA	128 Å²
Synonyms	Sulfadimethoxine EP Impurity B (Free Base), Sulfadimethoxine N4-Acetate, Sulfadimethoxine - Impurity B, Sulfadoxine Impurity B, N4-Acetylsulfadimethoxine, Acetamide, N-(4-(((2,6-dimethoxy-4-pyrimidinyl)amino)sulfonyl)phenyl)-, N-{4-[(2,6-dimethoxypyrimidin-4-yl)sulfamoyl]phenyl}acetamide, N-(4-(N-(2,6-Dimethoxypyrimidin-4-yl)sulfamoyl)phenyl)acetamide, N-(4-(((2,6-Dimethoxy-4-pyrimidinyl)amino)sulfonyl)phenyl)acetamide, Acetylsulfadimethoxine, N-(4-{[(2,6-dimethoxy-4-pyrimidinyl)amino]sulfonyl}phenyl)acetamide, N-[4-(2,6-Dimethoxy-pyrimidin-4-ylsulfamoyl)-phenyl]-acetamide

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 Sulfadimethoxine EP Impurity B?

The CAS Registry Number of Sulfadimethoxine EP Impurity B is 555-25-9. It is also known as Sulfadimethoxine EP Impurity B (Free Base), Sulfadimethoxine N4-Acetate, Sulfadimethoxine - Impurity B.

What is the molecular formula and molecular weight of Sulfadimethoxine EP Impurity B?

Sulfadimethoxine EP Impurity B has the molecular formula C14H16N4O5S and a molecular weight of 352.37 g/mol. Its IUPAC name is N-[4-[(2,6-dimethoxypyrimidin-4-yl)sulfamoyl]phenyl]acetamide.

What is Sulfadimethoxine EP Impurity B used for?

Sulfadimethoxine EP Impurity B is supplied as a characterised reference material related to Sulfadimethoxine. 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 Sulfadimethoxine EP Impurity B can I order?

We supply Sulfadimethoxine EP Impurity B 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 Sulfadimethoxine EP Impurity B?

Yes. Every lot of Sulfadimethoxine EP Impurity B 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 Sulfadimethoxine EP Impurity B be shipped internationally?

Yes. We export Sulfadimethoxine EP Impurity B worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.