4-Chloro-3-methoxy-2-methylpyridine N-oxide
4-Chloro-3-methoxy-2-methylpyridine N-oxide (CAS: 122307-41-9) is a heterocyclic organic compound with the molecular formula C7H8ClNO2 and a molecular weight of 173.60 g/mol. This pyridine N-oxide derivative serves as a valuable building block in organic synthesis. Its structure, featuring a halogenated pyridine ring, makes it a useful intermediate for constructing more complex molecules in research and development settings.

Organic Synthesis Intermediate
This compound acts as a versatile building block in the synthesis of various organic molecules. The presence of the N-oxide functionality and the chlorine atom offers multiple reactive sites for chemical transformations.
Pharmaceutical Research
As a functionalized pyridine derivative, it may be employed in the discovery and development of new pharmaceutical agents. Its structural motifs are common in biologically active compounds.
Chemical Research and Development
Researchers utilize this compound in academic and industrial R&D laboratories for exploring novel chemical reactions and developing new synthetic routes to target molecules.
| Molecular weight | 173.60 |
|---|---|
| Empirical formula | C7H8ClNO2 |
| Assay | 97% |
| Melting point | 96-100 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 4-Chloro-3-methoxy-2-methylpyridine N-oxide used for?
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4-Chloro-3-methoxy-2-methylpyridine N-oxide is primarily used as a building block and intermediate in organic synthesis and chemical research and development, potentially in pharmaceutical research.
What are the CAS number and formula for this product?
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The CAS number is 122307-41-9 and the empirical formula is C7H8ClNO2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this compound with an assay of 97%. We do not represent it as USP, BP, EP, or other pharmacopoeia grades unless explicitly stated.
How should 4-Chloro-3-methoxy-2-methylpyridine N-oxide be handled safely?
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This compound is a Warning substance with hazards H315, H319, and H335. Handle with appropriate personal protective equipment including a dust mask (type N95 or equivalent), eyeshields, and gloves. Avoid breathing dust. Ensure adequate ventilation. Refer to the Safety Data Sheet for full handling instructions.
Can Tech Serve Solutions export this chemical?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, and can facilitate international shipments of 4-Chloro-3-methoxy-2-methylpyridine N-oxide.
How can I request a sample or a quote?
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Please contact our sales department through the website to request a sample or a quote for 4-Chloro-3-methoxy-2-methylpyridine N-oxide.
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