3-(Methylthio)phenyl acetic acid
3-(Methylthio)phenyl acetic acid (CAS: 18698-73-2), with the molecular formula C9H10O2S and a molecular weight of 182.24 g/mol, is a versatile organic compound. It belongs to the class of carboxylic acids and carbonyl compounds. This chemical serves as a valuable building block in organic synthesis, particularly in research and development settings, contributing to the creation of more complex molecules. Its structure features both a thioether and a carboxylic acid functional group.

Organic Synthesis Intermediate
Utilised as a key intermediate in the synthesis of complex organic molecules. Its bifunctional nature allows for diverse chemical transformations in the development of new compounds.
Pharmaceutical Research
A potential building block for the creation of novel pharmaceutical agents. Researchers leverage its structure for developing drug candidates and exploring structure-activity relationships.
Material Science
Can be employed in the development of new materials. The unique combination of functional groups may impart specific properties to polymers or advanced materials.
| Molecular weight | 182.24 |
|---|---|
| Linear formula | CH3SC6H4CH2CO2H |
| Melting point | 77-81 °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 3-(Methylthio)phenyl acetic acid used for?
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3-(Methylthio)phenyl acetic acid is primarily used as an intermediate in organic synthesis, including pharmaceutical research and material science applications.
What is the CAS number and chemical formula for 3-(Methylthio)phenyl acetic acid?
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The CAS number is 18698-73-2 and the linear chemical formula is CH3SC6H4CH2CO2H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical for research and development purposes. The specific assay or grade will be detailed on the Certificate of Analysis provided with your order. We do not represent this product as USP, BP, or EP grade unless explicitly stated.
What are the safety precautions when handling 3-(Methylthio)phenyl acetic acid?
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When handling, it is essential to use appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. Consult the Safety Data Sheet for comprehensive handling and hazard information.
How is 3-(Methylthio)phenyl acetic acid packed and shipped?
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Tech Serve Solutions ensures that all chemicals are packed and shipped in compliance with international regulations for the safe transport of hazardous materials.
How can I request a quote or sample of 3-(Methylthio)phenyl acetic acid?
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To request a quote or sample, please contact our sales team through the website or by calling our office. Please reference the product name and CAS number (18698-73-2).
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