4-Chloro-2,3-dimethylpyridine N-Oxide

Name: 4-Chloro-2,3-dimethylpyridine N-Oxide
Brand: Vaqora Chemicals
SKU: VQ-041810

About 4-Chloro-2,3-dimethylpyridine N-Oxide

Listed under CAS 59886-90-7, 4-Chloro-2,3-dimethylpyridine N-Oxide is a metabolite or degradation product of Rabeprazole available from Vaqora Chemicals. Its molecular formula is C7H8ClNO and its molecular weight is 157.6 g/mol. Systematically, it is named 4-chloro-2,3-dimethyl-1-oxidopyridin-1-ium. Common synonyms include Pyridine, 4-chloro-2,3-dimethyl-, 1-oxide and 2,3-Dimethyl-4-chloropyridine N-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. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

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

Vaqora Chemicals supplies 4-Chloro-2,3-dimethylpyridine 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 Rabeprazole

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

Rabeprazole impurities

Specifications & identifiers

Chemical identifiers
Product name	4-Chloro-2,3-dimethylpyridine N-Oxide
Catalogue No.	VQ-041810
CAS Number	59886-90-7
IUPAC name	4-chloro-2,3-dimethyl-1-oxidopyridin-1-ium
Molecular formula	C₇H₈ClNO
Molecular weight	157.6 g/mol
Exact mass	157.0294
Grade	Reference Standard
HSN code	38229090
InChIKey	MCUYHRNUDDANSO-UHFFFAOYSA-N
SMILES	CC1=C(C=C[N+](=C1C)[O-])Cl
PubChem CID	9877446

Physical properties
Physical form	Solid
LogP (XLogP3)	1.3
H-bond donors / acceptors	0 / 1
TPSA	25.5 Å²
Synonyms	Pyridine, 4-chloro-2,3-dimethyl-, 1-oxide, 2,3-Dimethyl-4-chloropyridine N-oxide, 4-chloro-2,3-dimethylpyridin-1-ium-1-olate, 4-Chloro-2,3-dimethylpyridine1-oxide, 4-chlor-2,3-dimethylpyridine-N-oxide, 4-Chloro-2,3-dimethyl-pyridine 1-oxide, 4-Chloro-2,3-dimethyl-1, 4-chloro-2,3-dimethylpyridin-1-ol, 4-chlor-2,3-dimethylpyridine-1-oxide, 2,3-dimethyl-4-chloro-pyridine N-oxide

Safety & hazard information (GHS)

Corrosive

Harmful / irritant

Signal word: Danger

Hazard statements

H302Harmful if swallowed
H315Causes skin irritation
H318Causes serious eye damage
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P354 + P338, P317, P319, P321, P330, P332 + 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 4-Chloro-2,3-dimethylpyridine N-Oxide?

The CAS Registry Number of 4-Chloro-2,3-dimethylpyridine N-Oxide is 59886-90-7. It is also known as Pyridine, 4-chloro-2,3-dimethyl-, 1-oxide, 2,3-Dimethyl-4-chloropyridine N-oxide, 4-chloro-2,3-dimethylpyridin-1-ium-1-olate.

What is the molecular formula and molecular weight of 4-Chloro-2,3-dimethylpyridine N-Oxide?

4-Chloro-2,3-dimethylpyridine N-Oxide has the molecular formula C7H8ClNO and a molecular weight of 157.6 g/mol. Its IUPAC name is 4-chloro-2,3-dimethyl-1-oxidopyridin-1-ium.

What is 4-Chloro-2,3-dimethylpyridine N-Oxide used for?

4-Chloro-2,3-dimethylpyridine N-Oxide is supplied as a characterised reference material related to Rabeprazole. 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 4-Chloro-2,3-dimethylpyridine N-Oxide can I order?

We supply 4-Chloro-2,3-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 4-Chloro-2,3-dimethylpyridine N-Oxide?

Yes. Every lot of 4-Chloro-2,3-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 4-Chloro-2,3-dimethylpyridine N-Oxide be shipped internationally?

Yes. 4-Chloro-2,3-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.