4-tert-Butylbenzoic acid
4-tert-Butylbenzoic acid (CAS: 98-73-7) is a white crystalline organic compound with the molecular formula (CH3)3CC6H4CO2H and a molecular weight of 178.23 g/mol. It functions as a key building block in chemical synthesis and has been utilised as a potent inhibitor of yeast sirtuin (Sir2p). Supplied by Tech Serve Solutions, it is available at a purity of ≥99%.

Yeast Sirtuin Inhibition
4-tert-Butylbenzoic acid has been employed as a specific inhibitor of yeast sirtuin (Sir2p). This application is significant in biochemical research for studying the functions of sirtuins.
Organic Synthesis Intermediate
As a carboxylic acid derivative, this compound serves as a versatile building block in organic synthesis. Its structure allows for various chemical transformations, contributing to the creation of more complex molecules.
Research and Development
This chemical finds use in academic and industrial research laboratories for exploring new synthetic pathways and developing novel compounds with potential applications in various fields.
| Molecular weight | 178.23 |
|---|---|
| Linear formula | (CH3)3CC6H4CO2H |
| Assay | ≥99% |
| Application | 4-tert-Butylbenzoic acid was used as a potent yeast sirtuin (Sir2p) inhibitor1. |
| Melting point | 162-165 °C(lit.) |

Hazard statements
- H302Harmful if swallowed
- H311Toxic in contact with skin
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Flash point | 158 °C / 316.4 °F |
| Transport (UN / ADR) | UN 2811 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/22 |
| Safety statements (S) | 22-24/25 |
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-tert-Butylbenzoic acid used for?
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4-tert-Butylbenzoic acid is used as a building block in chemical synthesis and has been utilised as a potent inhibitor of yeast sirtuin (Sir2p) in research settings.
What is the CAS number and chemical formula for 4-tert-Butylbenzoic acid?
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The CAS number for 4-tert-Butylbenzoic acid is 98-73-7 and its linear formula is (CH3)3CC6H4CO2H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-tert-Butylbenzoic acid with an assay of ≥99%. We do not represent this product as USP, BP, EP, or any pharmacopoeia grade unless explicitly stated.
What are the safety precautions when handling 4-tert-Butylbenzoic acid?
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4-tert-Butylbenzoic acid is classified as dangerous. Hazards include acute toxicity via ingestion and inhalation, and skin contact toxicity. Recommended personal protective equipment includes a dust mask (N95), eyeshields, face shield, and gloves. Always consult the Safety Data Sheet before handling.
Is 4-tert-Butylbenzoic acid available for export and how is it shipped?
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Yes, Tech Serve Solutions exports chemicals globally. 4-tert-Butylbenzoic acid is shipped according to international regulations for hazardous materials, under UN 2811, Class 6.1, Packing Group III.
How can I request a sample or quote for 4-tert-Butylbenzoic acid?
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To request a sample or a quotation for 4-tert-Butylbenzoic acid, please contact our sales department via the website or by phone, providing your specific requirements.
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