4-Fluoro-3-methylbenzoic acid
4-Fluoro-3-methylbenzoic acid (CAS: 403-15-6), with the molecular formula C7H5FO2 and a molecular weight of 154.14 g/mol, is a fluorinated aromatic carboxylic acid. This compound serves as a valuable building block in organic synthesis, particularly for introducing fluorinated methylbenzoyl moieties into more complex molecular structures. Its applications are primarily in the development of novel materials and pharmaceutical intermediates, leveraging the unique properties imparted by the fluorine atom.

Organic Synthesis Intermediate
4-Fluoro-3-methylbenzoic acid is utilised as a key intermediate in the synthesis of various organic compounds. Its structure allows for diverse chemical transformations, making it useful in multi-step synthetic routes for complex molecules.
Pharmaceutical Research
This compound serves as a building block in the research and development of new pharmaceutical agents. The presence of fluorine can influence a drug candidate's metabolic stability, lipophilicity, and binding affinity.
Materials Science
It can be employed in the development of novel functional materials. The incorporation of fluorinated aromatic systems can lead to unique electronic or physical properties in polymers or advanced materials.
| Molecular weight | 154.14 |
|---|---|
| Linear formula | FC6H3(CH3)CO2H |
| Assay | 97% |
| Melting point | 164-168 °C(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| 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 4-Fluoro-3-methylbenzoic acid used for?
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4-Fluoro-3-methylbenzoic acid (CAS: 403-15-6) is primarily used as a building block in organic synthesis for creating more complex molecules, particularly in pharmaceutical research and materials science, due to the properties imparted by its fluorinated methylbenzoyl structure.
What is the CAS number and chemical formula for 4-Fluoro-3-methylbenzoic acid?
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The CAS number is 403-15-6 and the chemical formula is FC6H3(CH3)CO2H.
What grade and purity does Tech Serve Solutions supply for 4-Fluoro-3-methylbenzoic acid?
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Tech Serve Solutions supplies 4-Fluoro-3-methylbenzoic acid with an assay of 97%. We do not represent this product as USP, BP, or EP grade.
How should 4-Fluoro-3-methylbenzoic acid be handled safely?
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For safe handling of 4-Fluoro-3-methylbenzoic acid, it is essential to wear eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter should be used. The compound has a German WGK rating of 3.
Is 4-Fluoro-3-methylbenzoic acid a controlled substance?
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The provided data does not indicate that 4-Fluoro-3-methylbenzoic acid is a controlled substance.
How is 4-Fluoro-3-methylbenzoic acid typically packed and shipped?
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Tech Serve Solutions exports fine chemicals, pharmaceutical intermediates, and laboratory reagents globally. Specific packing and shipping details for 4-Fluoro-3-methylbenzoic acid can be provided upon request.
How can I request a quote or sample for 4-Fluoro-3-methylbenzoic acid?
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To request a quote or sample for 4-Fluoro-3-methylbenzoic acid, please contact the Tech Serve Solutions sales team directly through our website or designated contact channels.
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