3,5-Dimethylpyridine N-oxide
3,5-Dimethylpyridine N-oxide (CAS: 3718-65-8) is a heterocyclic organic compound with a molecular weight of 123.15 g/mol. This pyridine derivative, available at 97% purity, serves as a valuable building block in chemical synthesis. Its unique N-oxide functionality makes it a useful intermediate for introducing specific structural motifs in the development of new chemical entities and complex organic molecules within research and industrial settings.
- Synonyms
- C7H9NO

Chemical Synthesis Intermediate
3,5-Dimethylpyridine N-oxide acts as a versatile intermediate in organic synthesis. The N-oxide group can direct further functionalization of the pyridine ring or participate in various chemical transformations.
Building Block for Heterocycles
This compound is employed as a key building block in the construction of more complex heterocyclic structures. Its defined substitution pattern is useful for developing targeted molecules in pharmaceutical and agrochemical research.
Reagent in Organic Reactions
The N-oxide moiety can influence the reactivity of the pyridine ring, making it a useful reagent for specific organic reactions and methodology development in academic and industrial laboratories.
| Molecular weight | 123.15 |
|---|---|
| Empirical formula | C7H9NO |
| Assay | 97% |
| Melting point | 100-104 °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 3,5-Dimethylpyridine N-oxide used for?
+
3,5-Dimethylpyridine N-oxide is primarily used as a building block and intermediate in chemical synthesis, particularly for creating complex heterocyclic compounds.
What is the CAS number and formula for 3,5-Dimethylpyridine N-oxide?
+
The CAS number is 3718-65-8 and the empirical formula (Hill notation) is C7H9NO.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies 3,5-Dimethylpyridine N-oxide with an assay of 97%. We do not represent this product as USP, BP, or EP grade; it is supplied for research and laboratory use.
How should 3,5-Dimethylpyridine N-oxide be handled?
+
Handle with appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves. Avoid breathing dust, ensure good ventilation, and avoid contact with eyes, skin, and clothing. Wash thoroughly after handling. Refer to the Safety Data Sheet for comprehensive guidance.
Is 3,5-Dimethylpyridine N-oxide a controlled substance?
+
The provided data does not indicate that 3,5-Dimethylpyridine N-oxide (CAS: 3718-65-8) is a controlled substance.
How is 3,5-Dimethylpyridine N-oxide packed, shipped, and exported?
+
Tech Serve Solutions packs and ships chemicals in compliance with international regulations for hazardous materials. As a global supplier, we export fine chemicals worldwide. Please contact us for specific packaging and shipping details for your region.
How can I request a sample or quote for 3,5-Dimethylpyridine N-oxide?
+
To request a sample or quote, please contact our sales department via the website's inquiry form or direct email, providing your contact details and the product information (CAS: 3718-65-8).
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis