4-(4-Formylphenyl)pyridine
4-(4-Formylphenyl)pyridine (CAS: 99163-12-9), a chemical compound with the formula C12H9NO, has a molecular weight of 183.21 g/mol. This pyridine derivative functions as a versatile building block and intermediate in organic synthesis. It is primarily utilised in the development of novel molecules, making it valuable for researchers and chemists in various sectors, including pharmaceuticals and materials science.
- IUPAC
- 4-(4-Pyridinyl)benzaldehyde

Organic Synthesis Intermediate
4-(4-Formylphenyl)pyridine serves as a key intermediate in the construction of more complex organic molecules. Its aldehyde and pyridine functionalities allow for diverse chemical transformations.
Building Block for Heterocyclic Compounds
The compound is employed in the synthesis of various heterocyclic structures, particularly those incorporating a pyridine ring. This is valuable in medicinal chemistry and materials science.
Research and Development
It is utilised in academic and industrial research settings for exploring new synthetic routes and developing novel compounds with potential applications in pharmaceuticals, agrochemicals, and advanced materials.
| Molecular weight | 183.21 |
|---|---|
| Empirical formula | C12H9NO |
| Assay | 97% |
| Melting point | 85-89 °C(lit.) |

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
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36/37/38 |
| Safety statements (S) | 26-36/37/39 |
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-(4-Formylphenyl)pyridine used for?
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4-(4-Formylphenyl)pyridine is primarily used as a building block and intermediate in organic synthesis, particularly for creating complex heterocyclic compounds and in research and development for novel molecule discovery.
What are the CAS number and formula for 4-(4-Formylphenyl)pyridine?
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The CAS number for 4-(4-Formylphenyl)pyridine is 99163-12-9 and its molecular formula is C12H9NO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-(4-Formylphenyl)pyridine with a purity of 97% (assay). TSS does not represent this product as USP, BP, EP, or other pharmacopoeial grades.
How should 4-(4-Formylphenyl)pyridine be handled?
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4-(4-Formylphenyl)pyridine is classified as harmful if swallowed and causes skin, eye, and respiratory irritation. Handle with appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves, in a well-ventilated area. Avoid breathing dust and ensure proper disposal.
Is 4-(4-Formylphenyl)pyridine a controlled substance?
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Based on the provided data, 4-(4-Formylphenyl)pyridine is not indicated as a controlled substance. Its hazard classification includes H302, H315, H319, and H335.
How is 4-(4-Formylphenyl)pyridine packed, shipped, and exported?
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Tech Serve Solutions packs, ships, and exports chemicals adhering to international safety and transport regulations. Specific packaging details are available upon request for bulk or custom orders.
How can I request a sample or quote for 4-(4-Formylphenyl)pyridine?
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To request a sample or a quote for 4-(4-Formylphenyl)pyridine, please contact our sales team via the website or provide your requirements through our inquiry form, referencing the CAS number 99163-12-9.
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