Methyl Pyridine Sulfonate

About Methyl Pyridine Sulfonate

Methyl Pyridine Sulfonate is an impurity of Vonoprazan carrying the CAS registry number 1421640-34-7. Its molecular formula is C6H7NO3S and its molecular weight is 173.19 g/mol. Its systematic (IUPAC) name is methyl pyridine-3-sulfonate. Alternative names: Vonoprazan Methyl Pyridine Sulfonate and Methyl 3-Pyridinesulfonate.

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. Good laboratory practice and suitable PPE are recommended during handling.

As a characterised impurity of Vonoprazan, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Typical end-use sectors are 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 Vonoprazan

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

Vonoprazan impurities

Specifications & identifiers

Chemical identifiers
Product name	Methyl Pyridine Sulfonate
Catalogue No.	VQ-028735
CAS Number	1421640-34-7
IUPAC name	methyl pyridine-3-sulfonate
Molecular formula	C₆H₇NO₃S
Molecular weight	173.19 g/mol
Exact mass	173.0147
Grade	Reference Standard
HSN code	38229090
InChIKey	AMMLONSCZIUTNG-UHFFFAOYSA-N
SMILES	COS(=O)(=O)C1=CN=CC=C1
PubChem CID	57088209

Physical properties
Physical form	Solid
LogP (XLogP3)	0.1
H-bond donors / acceptors	0 / 4
TPSA	64.6 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 Methyl Pyridine Sulfonate?

The CAS Registry Number of Methyl Pyridine Sulfonate is 1421640-34-7. It is also known as Vonoprazan Methyl Pyridine Sulfonate, Methyl 3-Pyridinesulfonate, Methylpyridine-2-sulfonate.

What is the molecular formula and molecular weight of Methyl Pyridine Sulfonate?

Methyl Pyridine Sulfonate has the molecular formula C6H7NO3S and a molecular weight of 173.19 g/mol. Its IUPAC name is methyl pyridine-3-sulfonate.

What is Methyl Pyridine Sulfonate used for?

Methyl Pyridine Sulfonate is supplied as a characterised reference material related to Vonoprazan. 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 Methyl Pyridine Sulfonate can I order?

We supply Methyl Pyridine Sulfonate 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 Methyl Pyridine Sulfonate?

Yes. Every lot of Methyl Pyridine Sulfonate 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 Methyl Pyridine Sulfonate be shipped internationally?

Yes. We export Methyl Pyridine Sulfonate worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.