2,3,5-Trimethyl pyridine N-Oxide

Name: 2,3,5-Trimethyl pyridine N-Oxide
Brand: Vaqora Chemicals
SKU: VQ-049314

About 2,3,5-Trimethyl pyridine N-Oxide

2,3,5-Trimethyl pyridine N-Oxide is a metabolite or degradation product of Omeprazole carrying the CAS registry number 74409-42-0. With the molecular formula C8H11NO, it has a molar mass of 137.18 g/mol. The IUPAC name is 2,3,5-trimethyl-1-oxidopyridin-1-ium. Alternative names: Pyridine, 2,3,5-trimethyl-, 1-oxide and 2,3,5-trimethylpyridine 1-oxide.

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. It carries the GHS signal word “Warning” with 4 hazard statements. Review the Safety Data Sheet before use.

It is used in metabolite identification, stability-indicating method development and impurity profiling of Omeprazole, as well as in QC testing and ANDA/DMF documentation. It is used across pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies 2,3,5-Trimethyl pyridine N-Oxide in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Metabolite identification
Stability-indicating methods
Impurity profiling

Industries

Related to Omeprazole

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

Omeprazole impurities

Specifications & identifiers

Chemical identifiers
Product name	2,3,5-Trimethyl pyridine N-Oxide
Catalogue No.	VQ-049314
CAS Number	74409-42-0
IUPAC name	2,3,5-trimethyl-1-oxidopyridin-1-ium
Molecular formula	C₈H₁₁NO
Molecular weight	137.18 g/mol
Exact mass	137.0841
Grade	Reference Standard
HSN code	38229090
InChIKey	YSBDSWBSEXCSSE-UHFFFAOYSA-N
SMILES	CC1=CC(=C([N+](=C1)[O-])C)C
PubChem CID	10486907

Physical properties
Physical form	Solid
LogP (XLogP3)	1
H-bond donors / acceptors	0 / 1
TPSA	25.5 Å²
Synonyms	Pyridine, 2,3,5-trimethyl-, 1-oxide, 2,3,5-trimethylpyridine 1-oxide, 2,3,5-trimethylpyridin-1-ium-1-olate, 2,3,5-trimethyl-pyridine 1-oxide, 2,3,5-trimethylpyridine1-oxide, 2,3,5-Collidine N-Oxide, Pyridine,2,3,5-trimethyl-, 1-oxide, 2,3,5-collidine-N-oxide, 2.3.5-trimethylpyridine 1-oxide

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, 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 2,3,5-Trimethyl pyridine N-Oxide?

The CAS Registry Number of 2,3,5-Trimethyl pyridine N-Oxide is 74409-42-0. It is also known as Pyridine, 2,3,5-trimethyl-, 1-oxide, 2,3,5-trimethylpyridine 1-oxide, 2,3,5-trimethylpyridin-1-ium-1-olate.

What is the molecular formula and molecular weight of 2,3,5-Trimethyl pyridine N-Oxide?

2,3,5-Trimethyl pyridine N-Oxide has the molecular formula C8H11NO and a molecular weight of 137.18 g/mol. Its IUPAC name is 2,3,5-trimethyl-1-oxidopyridin-1-ium.

What is 2,3,5-Trimethyl pyridine N-Oxide used for?

2,3,5-Trimethyl pyridine N-Oxide is supplied as a characterised reference material related to Omeprazole. 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 2,3,5-Trimethyl pyridine N-Oxide can I order?

We supply 2,3,5-Trimethyl pyridine N-Oxide 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 2,3,5-Trimethyl pyridine N-Oxide?

Yes. Every lot of 2,3,5-Trimethyl pyridine N-Oxide 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 2,3,5-Trimethyl pyridine N-Oxide be shipped internationally?

Yes. 2,3,5-Trimethyl pyridine N-Oxide 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.