3-Methylpyridine N-oxide
3-Methylpyridine N-oxide (CAS 1003-73-2), with the molecular formula C6H7NO, is a heterocyclic organic compound. It serves as a valuable intermediate and building block in organic synthesis, particularly for the creation of more complex pyridine derivatives and related structures. Its utility spans various research and development applications within chemical synthesis, contributing to the advancement of novel compounds and materials.
- IUPAC
- 3-Methylpyridine 1-oxide,3-Picoline N-oxide

Organic Synthesis Intermediate
3-Methylpyridine N-oxide is employed as a key intermediate in the synthesis of various organic compounds. Its N-oxide functionality allows for diverse reactions, enabling the introduction of substituents onto the pyridine ring or modification of the methyl group.
Heterocyclic Chemistry Research
This compound is utilized in research laboratories focused on heterocyclic chemistry. It facilitates studies into the reactivity and properties of pyridine N-oxides, contributing to the development of new synthetic methodologies and functional molecules.
Pharmaceutical Intermediate Development
As a pyridine derivative, 3-Methylpyridine N-oxide can be a precursor in the development pathways for pharmaceutical agents. Its structure offers a scaffold for building complex molecules with potential biological activity.
| Molecular weight | 109.13 |
|---|---|
| Empirical formula | C6H7NO |
| Assay | 98% |
| Boiling point | 150 °C/15 mmHg(lit.) |
| Melting point | 37-39 °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) | 1 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-37/39 |
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 3-Methylpyridine N-oxide used for?
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3-Methylpyridine N-oxide is primarily used as an intermediate and building block in organic synthesis, particularly within heterocyclic chemistry and the development of pharmaceutical agents.
What are the CAS number and formula for 3-Methylpyridine N-oxide?
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The CAS number for 3-Methylpyridine N-oxide is 1003-73-2, and its molecular formula is C6H7NO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Methylpyridine N-oxide with an assay of 98%. This product is intended for research and chemical synthesis purposes and is not represented as USP, BP, or EP grade.
How should 3-Methylpyridine N-oxide be handled safely?
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Handle 3-Methylpyridine N-oxide with appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves. Avoid breathing dust, and ensure good ventilation. Refer to the safety data sheet for comprehensive handling information.
Does Tech Serve Solutions export 3-Methylpyridine N-oxide?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 3-Methylpyridine N-oxide, serving customers worldwide.
How can I request a quote or sample for 3-Methylpyridine N-oxide?
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To request a quote or a sample of 3-Methylpyridine N-oxide, please contact the Tech Serve Solutions sales team via our website or direct inquiry channels.
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