2,3,4-Trimethoxybenzoic acid
2,3,4-Trimethoxybenzoic acid (CAS: 573-11-5) is an organic compound with the linear formula (CH₃O)₃C₆H₂CO₂H and a molecular weight of 212.20 g/mol. This white to off-white crystalline solid functions as a valuable building block in organic synthesis. It is particularly employed in the preparation of complex molecular architectures, including natural product analogues and other sophisticated organic compounds, showcasing its utility in advanced chemical research and development.
- Synonyms
- 573-11-5, (CH3O)3C6H2CO2H

Synthesis of Natural Product Analogues
2,3,4-Trimethoxybenzoic acid has been utilised in the laboratory for the synthesis of pareitropone, a tropoloisoquinoline alkaloid, underscoring its role in natural product chemistry.
Preparation of Organic Intermediates
This compound serves as a precursor in the synthesis of various organic intermediates, such as isomeric tris(pyrogallol) derivatives and naphthoic acid analogues, facilitating diverse synthetic pathways.
Advanced Organic Synthesis
As a key organic building block, 2,3,4-Trimethoxybenzoic acid is instrumental in constructing complex molecular frameworks for research and development in academic and industrial settings.
| Molecular weight | 212.20 |
|---|---|
| Linear formula | (CH3O)3C6H2CO2H |
| Assay | ≥98% |
| Application | 2,3,4-Trimethoxybenzoic acid was used in the synthesis of tropoloisoquinoline alkaloid pareitropone1. It was also used in the synthesis of isomeric tris(pyrogallol) derivatives2 and naphthoic acid3. |
| Melting point | 99-102 °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 2,3,4-Trimethoxybenzoic acid used for?
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2,3,4-Trimethoxybenzoic acid is primarily used as a building block in organic synthesis, notably in the preparation of natural product analogues like pareitropone, and other complex organic molecules such as tris(pyrogallol) derivatives and naphthoic acids.
What is the CAS number and molecular formula for 2,3,4-Trimethoxybenzoic acid?
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The CAS number for 2,3,4-Trimethoxybenzoic acid is 573-11-5, and its linear formula is (CH₃O)₃C₆H₂CO₂H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,3,4-Trimethoxybenzoic acid with a minimum purity of ≥98%. TSS does not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should 2,3,4-Trimethoxybenzoic acid be handled safely?
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Handling requires appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. Refer to the Safety Data Sheet for comprehensive handling guidelines.
How is 2,3,4-Trimethoxybenzoic acid packaged and shipped?
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2,3,4-Trimethoxybenzoic acid is carefully packaged to ensure integrity during transit and is available for global export. Specific packaging details can be provided upon request.
How can I request a quote or sample?
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To request a quote or a sample of 2,3,4-Trimethoxybenzoic acid, please contact our sales team through the website or via direct enquiry.
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