4-Ethylpyridine-2-carboxaldehyde
4-Ethylpyridine-2-carboxaldehyde (CAS: 67141-19-9, C8H9NO) is a pyridine derivative with a molecular weight of 135.16 g/mol. This aldehyde functions as a valuable building block in organic synthesis, particularly for creating complex heterocyclic compounds. Its reactivity makes it a useful intermediate in the development of pharmaceuticals and other fine chemicals. Supplied by Tech Serve Solutions with an assay of 97%, it is intended for research and chemical synthesis applications.
- IUPAC
- 4-Ethylpicolinaldehyde

Organic Synthesis Intermediate
4-Ethylpyridine-2-carboxaldehyde serves as a key intermediate in multi-step organic synthesis. Its aldehyde functionality allows for various condensation and derivatization reactions.
Heterocyclic Chemistry
This compound is employed in the construction of novel pyridine-containing heterocyclic systems, which are prevalent motifs in medicinal chemistry and materials science.
Pharmaceutical Research
It can be utilised in the synthesis pathways for potential drug candidates and pharmaceutical intermediates, contributing to the discovery of new therapeutic agents.
| Molecular weight | 135.16 |
|---|---|
| Empirical formula | C8H9NO |
| Assay | 97% |
| Density | 1.041 g/mL at 25 °C |
| Refractive index | n20/D 1.524 |

Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Flash point | 97 °C / 206.6 °F |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36/37/38 |
| Safety statements (S) | 26 |
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-Ethylpyridine-2-carboxaldehyde used for?
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4-Ethylpyridine-2-carboxaldehyde (CAS: 67141-19-9, C8H9NO) is primarily used as a building block and intermediate in organic synthesis, particularly for the creation of complex heterocyclic compounds and in pharmaceutical research.
What are the CAS number and molecular formula for 4-Ethylpyridine-2-carboxaldehyde?
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The CAS number is 67141-19-9, and the molecular formula is C8H9NO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Ethylpyridine-2-carboxaldehyde with a minimum assay of 97%. This is a technical grade material suitable for chemical synthesis and research purposes; it is not supplied as USP, BP, or EP grade.
How should 4-Ethylpyridine-2-carboxaldehyde be handled safely?
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Warning: 4-Ethylpyridine-2-carboxaldehyde is harmful if swallowed, causes skin irritation, causes serious eye irritation, and may cause respiratory irritation (H302-H315-H319-H335). Handle with appropriate personal protective equipment, including gloves, eye protection, and in a well-ventilated area or fume hood. Avoid breathing vapours or dust. In case of contact, rinse immediately with plenty of water. If inhaled, move to fresh air.
How is 4-Ethylpyridine-2-carboxaldehyde packed and shipped?
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4-Ethylpyridine-2-carboxaldehyde is carefully packed according to international shipping regulations for chemicals and is available for global export by Tech Serve Solutions.
How can I request a quote or sample for 4-Ethylpyridine-2-carboxaldehyde?
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To request a quote or a sample, please contact the Tech Serve Solutions sales team via our website or by phone, providing your specific requirements and shipping details.
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