3,5-Dimethylpyridine-N-oxide

Name: 3,5-Dimethylpyridine-N-oxide
Brand: Vaqora Chemicals
SKU: VQ-039895

About 3,5-Dimethylpyridine-N-oxide

Listed under CAS 3718-65-8, 3,5-Dimethylpyridine-N-oxide is a metabolite or degradation product of Tretinoin available from Vaqora Chemicals. The compound has the formula C7H9NO, corresponding to a molecular weight of 123.15 g/mol. Systematically, it is named 3,5-dimethyl-1-oxidopyridin-1-ium. It is also known as 3,5-dimethylpyridin-1-ium-1-olate or 3,5-dimethylpyridine 1-oxide.

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. It carries the GHS signal word “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.

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

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, 3,5-Dimethylpyridine-N-oxide is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Metabolite identification
Stability-indicating methods
Impurity profiling

Industries

Related to Tretinoin

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

Tretinoin impurities

Specifications & identifiers

Chemical identifiers
Product name	3,5-Dimethylpyridine-N-oxide
Catalogue No.	VQ-039895
CAS Number	3718-65-8
IUPAC name	3,5-dimethyl-1-oxidopyridin-1-ium
Molecular formula	C₇H₉NO
Molecular weight	123.15 g/mol
Exact mass	123.0684
Grade	Reference Standard
HSN code	38229090
InChIKey	SSTLCMOZTCLOLQ-UHFFFAOYSA-N
SMILES	CC1=CC(=C[N+](=C1)[O-])C
PubChem CID	19485

Physical properties
Physical form	Solid
LogP (XLogP3)	0.6
H-bond donors / acceptors	0 / 1
TPSA	25.5 Å²
Synonyms	3,5-dimethylpyridin-1-ium-1-olate, 3,5-dimethylpyridine 1-oxide, 3,5-Dimethylpyridine-1-oxide, Pyridine, 3,5-dimethyl-, 1-oxide, 3,5-Lutidine N-Oxide, 3,5-Lutidine, 1-oxide, 3,5-dimethylpyridine1-oxide, pyridine 1-oxide, 3,5-dimethyl-

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, 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 3,5-Dimethylpyridine-N-oxide?

The CAS Registry Number of 3,5-Dimethylpyridine-N-oxide is 3718-65-8. It is also known as 3,5-dimethylpyridin-1-ium-1-olate, 3,5-dimethylpyridine 1-oxide, 3,5-Dimethylpyridine-1-oxide.

What is the molecular formula and molecular weight of 3,5-Dimethylpyridine-N-oxide?

3,5-Dimethylpyridine-N-oxide has the molecular formula C7H9NO and a molecular weight of 123.15 g/mol. Its IUPAC name is 3,5-dimethyl-1-oxidopyridin-1-ium.

What is 3,5-Dimethylpyridine-N-oxide used for?

3,5-Dimethylpyridine-N-oxide is supplied as a characterised reference material related to Tretinoin. 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 3,5-Dimethylpyridine-N-oxide can I order?

We supply 3,5-Dimethylpyridine-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 3,5-Dimethylpyridine-N-oxide?

Yes. Every lot of 3,5-Dimethylpyridine-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 3,5-Dimethylpyridine-N-oxide be shipped internationally?

Yes. 3,5-Dimethylpyridine-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.