3-Fluoro-4-methoxybenzaldehyde
3-Fluoro-4-methoxybenzaldehyde (CAS 351-54-2), with the molecular formula C8H7FO2 and a molar mass of 154.14 g/mol, is a fluorinated aromatic aldehyde. This compound serves as a valuable building block in organic synthesis, particularly in the preparation of more complex molecules for pharmaceutical and materials science applications. Its structure, featuring both a reactive aldehyde group and a fluoro-methoxy substituted phenyl ring, allows for diverse chemical transformations.
- IUPAC
- 3-Fluoro-p-anisaldehyde

Pharmaceutical Intermediate
Used in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates. The presence of fluorine can modify a molecule's metabolic stability and lipophilicity, making it a desirable feature in drug design.
Agrochemical Synthesis
Serves as a precursor in the development of novel pesticides and herbicides. Fluorinated compounds often exhibit enhanced biological activity and environmental persistence profiles.
Materials Science Research
Employed in the creation of advanced materials, such as liquid crystals or organic electronic components, where its specific electronic and structural properties can be beneficial.
Fine Chemical Synthesis
Acts as a versatile building block for constructing diverse organic molecules, enabling the development of new chemical entities in research and development settings.
| Molecular weight | 154.14 |
|---|---|
| Linear formula | FC6H3(OCH3)CHO |
| Assay | 99% |
| Melting point | 34-35 °C(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Flash point | >113 °C / >235.4 °F |
| Water hazard class (WGK, DE) | 3 |
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 3-Fluoro-4-methoxybenzaldehyde used for?
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3-Fluoro-4-methoxybenzaldehyde is primarily used as an intermediate and building block in organic synthesis, particularly for pharmaceuticals, agrochemicals, and materials science applications.
What are the CAS number and molecular formula for 3-Fluoro-4-methoxybenzaldehyde?
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The CAS number is 351-54-2 and the molecular formula is FC6H3(OCH3)CHO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Fluoro-4-methoxybenzaldehyde with an assay of 99%. We do not represent this product as USP, BP, or EP grade.
How should 3-Fluoro-4-methoxybenzaldehyde be handled safely?
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Handle with care, using appropriate personal protective equipment including eyeshields, gloves, and a type N95 (US) or type P1 (EN143) respirator filter. Avoid contact with eyes and skin. Refer to the safety data sheet for comprehensive handling information.
Is 3-Fluoro-4-methoxybenzaldehyde a controlled substance?
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Based on the provided data, there is no indication that 3-Fluoro-4-methoxybenzaldehyde is a controlled substance.
How is 3-Fluoro-4-methoxybenzaldehyde packed and shipped?
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3-Fluoro-4-methoxybenzaldehyde is expertly packed and exported by Tech Serve Solutions, adhering to all necessary regulations for safe transport of chemical goods.
How can I request a quote or sample for 3-Fluoro-4-methoxybenzaldehyde?
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To request a quote or sample, please contact our sales team through the website or by phone. We are ready to assist with your requirements.
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