4-Cyanopyridine N-oxide
4-Cyanopyridine N-oxide (CAS: 14906-59-3, Formula: C6H4N2O) is a heterocyclic organic compound with a molecular weight of 120.11 g/mol. This pyridine derivative serves as a valuable building block in organic synthesis. Its structure makes it useful for introducing the pyridine N-oxide moiety into more complex molecules, finding applications in the development of pharmaceuticals and other fine chemicals. It is supplied by TSS with a typical assay of 96%.
- IUPAC
- Isonicotinonitrile 1-oxide

Organic Synthesis Intermediate
4-Cyanopyridine N-oxide functions as a key intermediate in the synthesis of diverse organic molecules. Its reactive nature allows for various chemical transformations, making it suitable for constructing complex heterocyclic systems.
Pharmaceutical Research
This compound is utilised in medicinal chemistry research for the development of novel therapeutic agents. The pyridine N-oxide scaffold is present in several biologically active compounds.
Material Science
As a functionalised heterocyclic molecule, 4-Cyanopyridine N-oxide may find applications in the synthesis of advanced materials with specific electronic or optical properties.
| Molecular weight | 120.11 |
|---|---|
| Empirical formula | C6H4N2O |
| Assay | 96% |
| Solubility | 1 M NH4OH: soluble5 mg/mL, clear, colorless (methanol) |
| Melting point | 223-225 °C(lit.) |

Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H315Causes skin irritation
- H319Causes serious eye irritation
- H332Harmful if inhaled
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21/22-36/37/38 |
| 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 4-Cyanopyridine N-oxide used for?
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4-Cyanopyridine N-oxide is primarily used as a building block and intermediate in organic synthesis, particularly in pharmaceutical research and the development of fine chemicals.
What is the CAS number and formula for 4-Cyanopyridine N-oxide?
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The CAS number for 4-Cyanopyridine N-oxide is 14906-59-3, and its molecular formula is C6H4N2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Cyanopyridine N-oxide with a typical assay of 96%. We do not represent this product as meeting USP, BP, or EP pharmacopoeia standards unless explicitly stated.
What are the safety considerations for handling 4-Cyanopyridine N-oxide?
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4-Cyanopyridine N-oxide is classified with Warning (GHS07) and carries hazard statements including H302 (Harmful if swallowed), H312 (Harmful in contact with skin), H315 (Causes skin irritation), H319 (Causes serious eye irritation), H332 (Harmful if inhaled), and H335 (May cause respiratory irritation). Appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves, is recommended. Handle in a well-ventilated area.
How is 4-Cyanopyridine N-oxide packed and shipped globally?
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Tech Serve Solutions expertly packs and exports chemicals worldwide, adhering to all relevant shipping regulations. Specific packaging details will be provided based on order size and destination.
How can I request a quote or sample for 4-Cyanopyridine N-oxide?
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To request a quote or a sample of 4-Cyanopyridine N-oxide, please contact our sales team through the website or by phone, providing your details and requirements.
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