Sulfasalazine EP Impurity A

Name: Sulfasalazine EP Impurity A
Brand: Vaqora Chemicals
SKU: VQ-023815

About Sulfasalazine EP Impurity A

Sulfasalazine EP Impurity A is a pharmacopeial impurity of Sulfasalazine carrying the CAS registry number 1391062-35-3. The compound has the formula C28H22N8O5S2, corresponding to a molecular weight of 614.7 g/mol. The IUPAC name is 4-[[4-hydroxy-3-[[4-(pyridin-2-ylsulfamoyl)phenyl]diazenyl]phenyl]diazenyl]-N-pyridin-2-ylbenzenesulfonamide. Alternative names: Sulfasalazine - Impurity A and Sulfasalazine Impurity 1.

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 Sulfasalazine impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. It is used across pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Sulfasalazine EP Impurity A in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

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

Industries

Related to Sulfasalazine

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

Sulfasalazine impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Sulfasalazine EP Impurity A
Catalogue No.	VQ-023815
CAS Number	1391062-35-3
IUPAC name	4-[[4-hydroxy-3-[[4-(pyridin-2-ylsulfamoyl)phenyl]diazenyl]phenyl]diazenyl]-N-pyridin-2-ylbenzenesulfonamide
Molecular formula	C₂₈H₂₂N₈O₅S₂
Molecular weight	614.7 g/mol
Exact mass	614.1155
Grade	Reference Standard
HSN code	38229090
InChIKey	ZUOKIDHOXLRZTG-UHFFFAOYSA-N
SMILES	C1=CC=NC(=C1)NS(=O)(=O)C2=CC=C(C=C2)N=NC3=CC(=C(C=C3)O)N=NC4=CC=C(C=C4)S(=O)(=O)NC5=CC=CC=N5
PubChem CID	135564534

Physical properties
Physical form	Solid
LogP (XLogP3)	0.8
H-bond donors / acceptors	3 / 13
TPSA	205 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 Sulfasalazine EP Impurity A?

The CAS Registry Number of Sulfasalazine EP Impurity A is 1391062-35-3. It is also known as Sulfasalazine - Impurity A, 4,4'-((4-Hydroxy-1,3-phenylene)bis(diazenediyl))bis(N-(pyridin-2-yl)benzenesulfonamide), Sulfasalazine Impurity 1.

What is the molecular formula and molecular weight of Sulfasalazine EP Impurity A?

Sulfasalazine EP Impurity A has the molecular formula C28H22N8O5S2 and a molecular weight of 614.7 g/mol. Its IUPAC name is 4-[[4-hydroxy-3-[[4-(pyridin-2-ylsulfamoyl)phenyl]diazenyl]phenyl]diazenyl]-N-pyridin-2-ylbenzenesulfonamide.

What is Sulfasalazine EP Impurity A used for?

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

We supply Sulfasalazine EP Impurity A 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 Sulfasalazine EP Impurity A?

Yes. Every lot of Sulfasalazine EP Impurity A 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 Sulfasalazine EP Impurity A be shipped internationally?

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