4-Cyano-3-fluorobenzaldehyde
4-Cyano-3-fluorobenzaldehyde (CAS 101048-76-4), with the molecular formula C8H4FNO and a molecular weight of 149.12 g/mol, is a valuable organic intermediate. This fluorinated aromatic aldehyde serves as a key building block in the synthesis of complex organic molecules. It is commonly employed in research and development settings for the creation of novel compounds within the pharmaceutical and agrochemical industries.
- IUPAC
- 2-Fluoro-4-formylbenzonitrile
- Synonyms
- 2-Fluoro-4-formylbenzonitrile

Pharmaceutical Synthesis
Utilised as a critical intermediate in the development of new active pharmaceutical ingredients (APIs). Its specific structure allows for targeted modifications in drug discovery programmes.
Agrochemical Development
Serves as a precursor in the synthesis of novel agrochemicals, contributing to the development of effective crop protection agents. The presence of fluorine can enhance biological activity.
Organic Synthesis Building Block
A versatile building block for constructing more complex organic structures. Its aldehyde and nitrile functionalities offer multiple reaction pathways for synthetic chemists.
| Molecular weight | 149.12 |
|---|---|
| Empirical formula | C8H4FNO |
| Assay | 96% |
| Melting point | 86-90 °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-Cyano-3-fluorobenzaldehyde used for?
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4-Cyano-3-fluorobenzaldehyde (CAS 101048-76-4) is primarily used as a building block in organic synthesis, particularly in the development of pharmaceuticals and agrochemicals. It is a key intermediate for creating more complex fluorinated organic molecules.
What are the CAS number and molecular formula for 4-Cyano-3-fluorobenzaldehyde?
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The CAS number for 4-Cyano-3-fluorobenzaldehyde is 101048-76-4, and its molecular formula is C8H4FNO.
What grade and purity does Tech Serve Solutions supply for 4-Cyano-3-fluorobenzaldehyde?
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Tech Serve Solutions supplies 4-Cyano-3-fluorobenzaldehyde with an assay of 96%. This product is suitable for research and general chemical synthesis purposes and is not represented as USP, BP, EP, or any other pharmacopoeia grade.
What are the safety and handling precautions for 4-Cyano-3-fluorobenzaldehyde?
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4-Cyano-3-fluorobenzaldehyde is classified as a Warning substance (GHS07) and may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Appropriate personal protective equipment, including a dust mask (type N95), eyeshields, and gloves, should be used. Handle in a well-ventilated area and avoid breathing dust.
How is 4-Cyano-3-fluorobenzaldehyde packed and exported?
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As a global supplier, Tech Serve Solutions ensures that 4-Cyano-3-fluorobenzaldehyde is securely packed in compliance with international shipping regulations for chemical export.
How can I request a sample or quote for 4-Cyano-3-fluorobenzaldehyde?
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To request a sample or a quotation for 4-Cyano-3-fluorobenzaldehyde, please contact our sales team through the website or via direct inquiry, providing your contact details and desired quantity.
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