4-Methoxy-3-nitropyridine
4-Methoxy-3-nitropyridine (CAS: 31872-62-5; C6H6N2O3) is a chemical compound with a molecular weight of 154.12 g/mol. It serves as a valuable building block in chemical synthesis, particularly within the realm of heterocyclic chemistry. Its structure makes it useful for the introduction of pyridine moieties into more complex molecules. Tech Serve Solutions supplies this compound at a standard assay of 97% for research and development purposes.

Organic Synthesis Intermediate
4-Methoxy-3-nitropyridine is employed as a key intermediate in the synthesis of various organic compounds. Its functional groups allow for diverse chemical transformations, facilitating the construction of complex molecular architectures.
Heterocyclic Chemistry
This compound is particularly useful in heterocyclic chemistry due to its pyridine ring structure. It can be used to build novel heterocyclic systems or to modify existing ones in drug discovery and materials science.
Research and Development
As a readily available building block, 4-Methoxy-3-nitropyridine is utilized in academic and industrial research laboratories for exploring new synthetic routes and developing novel chemical entities.
| Molecular weight | 154.12 |
|---|---|
| Empirical formula | C6H6N2O3 |
| Assay | 97% |
| Melting point | 72-77 °C |


Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H318Causes serious eye damage
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-37/38-41 |
| 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-Methoxy-3-nitropyridine used for?
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4-Methoxy-3-nitropyridine is primarily used as a building block and intermediate in organic synthesis, particularly in heterocyclic chemistry and for research and development purposes.
What is the CAS number and formula for 4-Methoxy-3-nitropyridine?
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The CAS number for 4-Methoxy-3-nitropyridine is 31872-62-5, and its empirical formula is C6H6N2O3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Methoxy-3-nitropyridine with a minimum assay of 97%. This is a technical or research grade; TSS does not represent it as USP, BP, or EP grade.
What are the primary hazards associated with 4-Methoxy-3-nitropyridine?
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4-Methoxy-3-nitropyridine is classified as dangerous. It can cause serious eye damage, is harmful if swallowed, and causes skin and respiratory irritation (H302-H315-H318-H335). Always handle with appropriate personal protective equipment in a well-ventilated area.
How is 4-Methoxy-3-nitropyridine typically packed and shipped?
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Tech Serve Solutions securely packs and ships 4-Methoxy-3-nitropyridine according to international regulations for hazardous chemicals, ensuring safe transit for both domestic and international clients.
How can I request a sample or quote for 4-Methoxy-3-nitropyridine?
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To request a sample or a quote for 4-Methoxy-3-nitropyridine, please contact our sales team through the website or by direct enquiry, providing your specific requirements.
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