Sulfasalazine EP Impurity D

About Sulfasalazine EP Impurity D

Sulfasalazine EP Impurity D is a pharmacopeial impurity of Sulfasalazine carrying the CAS registry number 66364-70-3. With the molecular formula C17H14N4O3S, it has a molar mass of 354.4 g/mol. The IUPAC name is 4-[(2-hydroxyphenyl)diazenyl]-N-pyridin-2-ylbenzenesulfonamide. It is also known as Sulfasalazine - Impurity D or Salfasalazine EP Impurity D.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Good laboratory practice and suitable PPE are recommended during handling.

Pharmaceutical QC and development laboratories use this impurity standard of Sulfasalazine to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Sulfasalazine EP Impurity D 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 Sulfasalazine

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

Sulfasalazine impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Sulfasalazine EP Impurity D
Catalogue No.	VQ-023813
CAS Number	66364-70-3
IUPAC name	4-[(2-hydroxyphenyl)diazenyl]-N-pyridin-2-ylbenzenesulfonamide
Molecular formula	C₁₇H₁₄N₄O₃S
Molecular weight	354.4 g/mol
Exact mass	354.0787
Grade	Reference Standard
HSN code	38229090
InChIKey	HGJLOOKUKJWWDL-UHFFFAOYSA-N
SMILES	C1=CC=C(C(=C1)N=NC2=CC=C(C=C2)S(=O)(=O)NC3=CC=CC=N3)O
PubChem CID	135564868

Physical properties
Physical form	Solid
LogP (XLogP3)	-0.8
H-bond donors / acceptors	2 / 7
TPSA	112 Å²
Synonyms	Sulfasalazine - Impurity D, Salfasalazine EP Impurity D, Sulfasalazine Impurity D, 4-(2-(2-Hydroxyphenyl)diazenyl)-N-(pyridin-2-yl)benzenesulfonamide, Deshydroxy descarboxy sulfasalazine, 2-[[4-(2-Pyridylsulfamoyl)phenyl]azo]hydroxybenzene, Benzenesulfonamide, 4-[(2-hydroxyphenyl)azo]-N-2-pyridinyl-, 4-[2-(2-Hydroxyphenyl)diazenyl]-N-2-pyridinylbenzenesulfonamide, Benzenesulfonamide, 4-(2-(2-hydroxyphenyl)diazenyl)-N-2-pyridinyl-, 4-((2-Hydroxyphenyl)diazenyl)-N-(pyridin-2-yl)benzenesulfonamide, Sulfasalazi ne impurity D, 4-[(2-Hydroxyphenyl)azo]-N-2-pyridinylbenzenesulfonamide

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 D?

The CAS Registry Number of Sulfasalazine EP Impurity D is 66364-70-3. It is also known as Sulfasalazine - Impurity D, Salfasalazine EP Impurity D, Sulfasalazine Impurity D.

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

Sulfasalazine EP Impurity D has the molecular formula C17H14N4O3S and a molecular weight of 354.4 g/mol. Its IUPAC name is 4-[(2-hydroxyphenyl)diazenyl]-N-pyridin-2-ylbenzenesulfonamide.

What is Sulfasalazine EP Impurity D used for?

Sulfasalazine EP Impurity D 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 D can I order?

We supply Sulfasalazine EP Impurity D 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 D?

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

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