4-(Pyridin-3-yl)benzaldehyde
4-(Pyridin-3-yl)benzaldehyde (CAS 127406-55-7) is a chemical compound with the formula C12H9NO and a molecular weight of 183.21 g/mol. It presents as a solid and is primarily utilised as a building block in organic synthesis and chemical research. Its structural features make it valuable for constructing more complex molecules within various research and development programmes.

Organic Synthesis Intermediate
Serves as a key intermediate in the synthesis of complex organic molecules, particularly in pharmaceutical and agrochemical research.
Heterocyclic Compound Synthesis
Utilised in the construction of novel heterocyclic compounds, leveraging the pyridine and aldehyde functionalities for diverse chemical transformations.
Materials Science Research
Explored in materials science for the development of new organic materials with specific electronic or optical properties.
| Molecular weight | 183.21 |
|---|---|
| Empirical formula | C12H9NO |
| Assay | 98% |
| Melting point | 52-57 °C |

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 |
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-(Pyridin-3-yl)benzaldehyde used for?
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4-(Pyridin-3-yl)benzaldehyde is primarily used as a building block in organic synthesis, for the creation of more complex molecules in areas such as pharmaceutical and materials science research.
What are the CAS number and formula for 4-(Pyridin-3-yl)benzaldehyde?
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The CAS number is 127406-55-7 and the molecular formula is C12H9NO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-(Pyridin-3-yl)benzaldehyde with a minimum assay of 98%. We do not represent this product as USP, BP, EP, or any pharmacopoeia grade.
How should 4-(Pyridin-3-yl)benzaldehyde be handled safely?
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Handle with appropriate personal protective equipment, including eyeshields, gloves, and a dust mask (type N95 or equivalent). Avoid breathing dust. Ensure adequate ventilation. This compound may cause skin, eye, and respiratory irritation (H315-H319-H335).
Is 4-(Pyridin-3-yl)benzaldehyde a controlled substance?
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Based on the provided data, there is no indication that 4-(Pyridin-3-yl)benzaldehyde is a controlled substance.
How is 4-(Pyridin-3-yl)benzaldehyde shipped and exported?
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Tech Serve Solutions exports fine chemicals globally, adhering to all relevant shipping and customs regulations. Specific packaging details are available upon request.
How can I request a sample or quote for 4-(Pyridin-3-yl)benzaldehyde?
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To request a sample or a quote, please contact our sales team via the website or provide your details through the product inquiry form.
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