2-Methoxy-4-methylbenzoic acid
2-Methoxy-4-methylbenzoic acid (CAS 704-45-0, C9H10O3) is a white to off-white crystalline solid with a molecular weight of 166.17 g/mol. This organic compound serves as a versatile building block in chemical synthesis, particularly within the pharmaceutical and fine chemical industries. Its carboxylic acid and methoxy functionalities make it a useful intermediate for the preparation of more complex molecules, contributing to the development of novel materials and active pharmaceutical ingredients.

Pharmaceutical Intermediate
Used in the synthesis of active pharmaceutical ingredients (APIs) and drug discovery research. Its specific structure allows for further chemical modifications to create targeted therapeutic agents.
Organic Synthesis Building Block
Serves as a key component in multi-step organic syntheses. The carboxylic acid group can be readily transformed into esters, amides, or acid halides, facilitating diverse chemical reactions.
Research and Development
Employed in academic and industrial research laboratories for exploring new synthetic routes and developing novel chemical entities. It is valuable for creating custom molecules with specific properties.
| Molecular weight | 166.17 |
|---|---|
| Empirical formula | C9H10O3 |
| Assay | 97% |
| Melting point | 103-107 °C(lit.) |

Hazard statements
- H302Harmful if swallowed
- H319Causes serious eye irritation
Precautionary statements
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22 |
| Safety statements (S) | 36 |
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 2-Methoxy-4-methylbenzoic acid used for?
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2-Methoxy-4-methylbenzoic acid is primarily used as a building block in organic synthesis, especially for pharmaceutical intermediates and in research and development for creating novel chemical compounds.
What is the CAS number and chemical formula?
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The CAS number for 2-Methoxy-4-methylbenzoic acid is 704-45-0, and its chemical formula is C9H10O3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Methoxy-4-methylbenzoic acid with a minimum assay of 97%. This product is supplied for research and manufacturing purposes and is not intended for human or animal consumption, nor is it supplied as USP, BP, EP, or other pharmacopoeia grades.
What are the main safety hazards associated with this chemical?
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This compound is classified as harmful if swallowed and causes serious eye irritation. Users should wear appropriate personal protective equipment, including a dust mask (type N95), eyeshields, face shields, and gloves, and handle the chemical in a well-ventilated area.
How is 2-Methoxy-4-methylbenzoic acid exported and shipped?
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Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 2-Methoxy-4-methylbenzoic acid, adhering to all international shipping and export regulations for chemical products.
How can I request a quote or sample?
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To request a quote or a sample of 2-Methoxy-4-methylbenzoic acid, please visit the product page on our website or contact our sales department directly.
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