4-(4-Methoxyphenyl)butyric acid
4-(4-Methoxyphenyl)butyric acid (CAS: 4521-28-2; Formula: C11H14O3) is a carboxylic acid derivative. This organic compound, with a molecular weight of 194.23 g/mol, serves as a valuable building block in chemical synthesis. Its structure, featuring a methoxy-substituted phenyl ring and a butyric acid chain, makes it a versatile intermediate for the development of more complex molecules.

Organic Synthesis Intermediate
Utilised as a key intermediate in the synthesis of various organic compounds. Its carboxylic acid functionality and aromatic ring offer multiple reaction sites for further chemical modification.
Pharmaceutical Research
Serves as a building block in the research and development of novel pharmaceutical agents. Its structure can be incorporated into potential drug candidates for various therapeutic areas.
Material Science
Can be employed in the development of new materials where its specific chemical structure can impart desired properties. This includes its potential use in polymer chemistry.
| Molecular weight | 194.23 |
|---|---|
| Linear formula | CH3OC6H4(CH2)3CO2H |
| Assay | 97% |
| Grade | purum |
| Melting point | 56-59 °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-(4-Methoxyphenyl)butyric acid used for?
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4-(4-Methoxyphenyl)butyric acid is primarily used as a building block in organic synthesis, particularly in the research and development of pharmaceuticals and novel materials.
What are the CAS number and molecular formula for 4-(4-Methoxyphenyl)butyric acid?
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The CAS number is 4521-28-2, and the molecular formula is C11H14O3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-(4-Methoxyphenyl)butyric acid with a purity of 97% and a 'purum' grade. This product is intended for laboratory and research use and is not represented as USP, BP, or EP grade.
What safety precautions should be taken when handling 4-(4-Methoxyphenyl)butyric acid?
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When handling, it is recommended to wear eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter should be used if respiratory protection is needed. Avoid contact with eyes and skin.
How is 4-(4-Methoxyphenyl)butyric acid shipped and exported?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 4-(4-Methoxyphenyl)butyric acid, adhering to all relevant shipping and export regulations.
How can I request a sample or a quote for 4-(4-Methoxyphenyl)butyric acid?
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Please contact our sales team directly via the website or by phone to request a sample or obtain a quotation for 4-(4-Methoxyphenyl)butyric acid.
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