3-Hydroxy-4-methoxyphenylacetic acid
3-Hydroxy-4-methoxyphenylacetic acid (CAS: 1131-94-8, Formula: C9H10O4) is a versatile organic compound with a molecular weight of 182.17 g/mol. This aromatic carboxylic acid serves as a valuable building block in chemical synthesis. Its structure, featuring both hydroxyl and methoxy groups on a phenylacetic acid core, makes it suitable for derivatization and incorporation into more complex molecules for research and development purposes across various scientific disciplines.

Organic Synthesis Intermediate
Utilised as a key intermediate in the synthesis of novel organic compounds. Its functional groups allow for diverse chemical transformations, making it a useful precursor for creating complex molecular architectures.
Research and Development
Employed in academic and industrial research laboratories for exploring new chemical reactions and developing innovative materials or compounds. Its availability facilitates early-stage research projects.
Building Block for Specialty Chemicals
Serves as a foundational component in the construction of specialty chemicals. The specific arrangement of functional groups offers unique reactivity for targeted synthesis pathways.
| Molecular weight | 182.17 |
|---|---|
| Empirical formula | C9H10O4 |
| Assay | 97% |
| Melting point | 127-132 °C |

Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36/37/38 |
| Safety statements (S) | 26-36 |
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 3-Hydroxy-4-methoxyphenylacetic acid used for?
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3-Hydroxy-4-methoxyphenylacetic acid is primarily used as a building block and intermediate in organic synthesis and research and development, enabling the creation of more complex chemical structures.
What is the CAS number and formula for this compound?
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The CAS number is 1131-94-8 and the empirical formula is C9H10O4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Hydroxy-4-methoxyphenylacetic acid with an assay of 97%. We do not represent this product as USP, BP, or EP grade.
How should 3-Hydroxy-4-methoxyphenylacetic acid be handled safely?
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This compound is classified as a Warning. It is harmful if swallowed (H302), causes skin irritation (H315), causes serious eye irritation (H319), and may cause respiratory irritation (H335). Ensure adequate ventilation, wear protective gloves, eye protection, and face protection. Avoid breathing dust/fume/gas/mist/vapours/spray. In case of contact with eyes, rinse cautiously with water for several minutes; remove contact lenses if present and easy to do. Continue rinsing.
Is this compound suitable for pharmaceutical applications?
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This product is supplied at 97% purity and is intended for laboratory and research use. Tech Serve Solutions does not provide information on its suitability for direct pharmaceutical applications, and it is not supplied as USP, BP, or EP grade.
How is 3-Hydroxy-4-methoxyphenylacetic acid shipped by Tech Serve Solutions?
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Tech Serve Solutions exports chemicals globally, ensuring compliant packaging and documentation for international shipping of research and laboratory reagents like 3-Hydroxy-4-methoxyphenylacetic acid.
How can I request a quote or sample?
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To request a quote or a sample of 3-Hydroxy-4-methoxyphenylacetic acid, please visit the product page on the Tech Serve Solutions website and use the 'Request a Quote' or 'Request Sample' options, providing the necessary contact information.
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