4-Benzyloxy-3-methoxyphenylacetic acid
4-Benzyloxy-3-methoxyphenylacetic acid (CAS 29973-91-9) is a chemical compound with the formula C6H5CH2OC6H3(OCH3)CH2CO2H and a molecular weight of 272.30 g/mol. This organic building block, featuring a carboxylic acid group and a benzyloxy ether linkage, is primarily utilised in chemical synthesis. Its structural features make it a valuable intermediate for constructing more complex molecules in research and development settings.

Organic Synthesis Intermediate
This compound serves as a key intermediate in the synthesis of various organic molecules. Its functional groups allow for diverse chemical transformations.
Research and Development
Utilised in academic and industrial research laboratories for the development of new chemical entities and materials. It is a valuable building block for complex molecular architectures.
Pharmaceutical Intermediates
May be used in the early stages of developing pharmaceutical compounds, acting as a precursor for active pharmaceutical ingredients (APIs) or related structures.
| Molecular weight | 272.30 |
|---|---|
| Linear formula | C6H5CH2OC6H3(OCH3)CH2CO2H |
| Assay | 98% |
| Melting point | 100-102 °C(lit.) |


Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H318Causes serious eye damage
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-37/38-41 |
| Safety statements (S) | 26 |
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-Benzyloxy-3-methoxyphenylacetic acid used for?
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4-Benzyloxy-3-methoxyphenylacetic acid is primarily used as an intermediate in organic synthesis and in research and development for creating new chemical entities.
What is the CAS number and molecular formula for 4-Benzyloxy-3-methoxyphenylacetic acid?
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The CAS number is 29973-91-9, and the molecular formula is C6H5CH2OC6H3(OCH3)CH2CO2H.
What grade and purity does Tech Serve Solutions supply for 4-Benzyloxy-3-methoxyphenylacetic acid?
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Tech Serve Solutions supplies 4-Benzyloxy-3-methoxyphenylacetic acid with a minimum assay of 98%. We do not represent this product as USP, BP, or EP grade.
What are the safety considerations when handling 4-Benzyloxy-3-methoxyphenylacetic acid?
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This compound is classified as dangerous. It can cause harm if swallowed (H302), causes skin irritation (H315), causes serious eye damage (H318), and may cause respiratory irritation (H335). Use appropriate personal protective equipment, including a dust mask (N95), eyeshields, and gloves, and handle in a well-ventilated area.
Is 4-Benzyloxy-3-methoxyphenylacetic acid available for export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 4-Benzyloxy-3-methoxyphenylacetic acid.
How can I request a quote or sample for 4-Benzyloxy-3-methoxyphenylacetic acid?
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To request a quote or sample, please contact our sales team through the website or by phone, providing the product name and CAS number.
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