4-Methoxy-2-methylbenzoic acid
4-Methoxy-2-methylbenzoic acid (CAS 6245-57-4), a carboxylic acid derivative with the formula CH3OC6H3(CH3)CO2H, is a valuable organic building block. With a molecular weight of 166.17, it serves as an intermediate in various chemical synthesis pathways. Its well-defined structure makes it suitable for research and development applications, particularly in the creation of more complex organic molecules.

Organic Synthesis Intermediate
4-Methoxy-2-methylbenzoic acid is utilised as a key intermediate in the synthesis of diverse organic compounds. Its carboxylic acid and substituted aromatic functionalities allow for a range of chemical transformations.
Research and Development
This compound is employed in laboratory settings for research purposes, facilitating the exploration of new chemical entities and reaction pathways. Its availability supports academic and industrial R&D efforts.
Fine Chemical Manufacturing
It functions as a building block in the production of fine chemicals. The specific arrangement of methoxy, methyl, and carboxyl groups on the benzene ring offers unique synthetic potential.
| Molecular weight | 166.17 |
|---|---|
| Linear formula | CH3OC6H3(CH3)CO2H |
| Assay | 97% |
| Melting point | 177-181 °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-Methoxy-2-methylbenzoic acid used for?
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4-Methoxy-2-methylbenzoic acid is primarily used as an intermediate in organic synthesis and for research and development purposes in chemical laboratories and fine chemical manufacturing.
What are the CAS number and chemical formula for 4-Methoxy-2-methylbenzoic acid?
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The CAS number is 6245-57-4 and the chemical formula is CH3OC6H3(CH3)CO2H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Methoxy-2-methylbenzoic acid with a minimum assay of 97%. TSS does not represent this product as USP, BP, EP, or other pharmacopoeial grades.
How should 4-Methoxy-2-methylbenzoic acid be handled?
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Handle 4-Methoxy-2-methylbenzoic acid with appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter may be necessary. It is classified under WGK Germany 3.
Is 4-Methoxy-2-methylbenzoic acid a controlled substance?
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The provided data does not indicate that 4-Methoxy-2-methylbenzoic acid is a controlled substance.
How is 4-Methoxy-2-methylbenzoic acid shipped and exported?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals. Specific shipping and export details for 4-Methoxy-2-methylbenzoic acid can be provided upon request.
How can I request a quote or sample?
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To request a quote or sample of 4-Methoxy-2-methylbenzoic acid, please contact our sales team through the channels provided on the Tech Serve Solutions website.
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