N-Acetyl Sulfapyridine

Name: N-Acetyl Sulfapyridine
Brand: Vaqora Chemicals
SKU: VQ-028148

About N-Acetyl Sulfapyridine

N-Acetyl Sulfapyridine (CAS 19077-98-6) is an impurity of Sulfasalazine offered by Vaqora Chemicals. Its molecular formula is C13H13N3O3S and its molecular weight is 291.33 g/mol. The IUPAC name is N-[4-(pyridin-2-ylsulfamoyl)phenyl]acetamide. Common synonyms include Acetylsulfapyridine and N4-Acetylsulfapyridine.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

This Sulfasalazine impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Our customers for this product work in 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

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Sulfasalazine

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

Sulfasalazine impurities

Specifications & identifiers

Chemical identifiers
Product name	N-Acetyl Sulfapyridine
Catalogue No.	VQ-028148
CAS Number	19077-98-6
IUPAC name	N-[4-(pyridin-2-ylsulfamoyl)phenyl]acetamide
Molecular formula	C₁₃H₁₃N₃O₃S
Molecular weight	291.33 g/mol
Exact mass	291.0678
Grade	Reference Standard
HSN code	38229090
InChIKey	CYLYVXPHAQLXFG-UHFFFAOYSA-N
SMILES	CC(=O)NC1=CC=C(C=C1)S(=O)(=O)NC2=CC=CC=N2
PubChem CID	58638

Physical properties
Physical form	Solid
LogP (XLogP3)	-0.1
H-bond donors / acceptors	2 / 5
TPSA	96.5 Å²
Synonyms	Acetylsulfapyridine, N4-Acetylsulfapyridine, Acetamide, N-[4-[(2-pyridinylamino)sulfonyl]phenyl]-, Acetylsulphapyridine, Acetanilide, 4'-(2-pyridylsulfamoyl)-, Acetamide, N-(4-((2-pyridinylamino)sulfonyl)phenyl)-, N-[4-(2-pyridylsulfamoyl)phenyl]acetamide, N-(4-(2-pyridylsulfamoyl)phenyl)acetamide, N-(4-(N-(Pyridin-2-yl)sulfamoyl)phenyl)acetamide, 2-(N4-Acetylsulfanilamido)pyridine, N-{4-[(pyridin-2-yl)sulfamoyl]phenyl}acetamide

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H319Causes serious eye irritation

Precautionary statements: P264, P264 + P265, P270, P280, P301 + P317, P305 + P351 + P338, P330, P337 + P317, 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 N-Acetyl Sulfapyridine?

The CAS Registry Number of N-Acetyl Sulfapyridine is 19077-98-6. It is also known as Acetylsulfapyridine, N4-Acetylsulfapyridine, Acetamide, N-[4-[(2-pyridinylamino)sulfonyl]phenyl]-.

What is the molecular formula and molecular weight of N-Acetyl Sulfapyridine?

N-Acetyl Sulfapyridine has the molecular formula C13H13N3O3S and a molecular weight of 291.33 g/mol. Its IUPAC name is N-[4-(pyridin-2-ylsulfamoyl)phenyl]acetamide.

What is N-Acetyl Sulfapyridine used for?

N-Acetyl Sulfapyridine 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 N-Acetyl Sulfapyridine can I order?

We supply N-Acetyl Sulfapyridine 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 N-Acetyl Sulfapyridine?

Yes. Every lot of N-Acetyl Sulfapyridine 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 N-Acetyl Sulfapyridine be shipped internationally?

Yes. N-Acetyl Sulfapyridine 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.