2,2,3,3-Tetramethylcyclopropanecarboxylic acid
2,2,3,3-Tetramethylcyclopropanecarboxylic acid (CAS: 15641-58-4), with the molecular formula (CH₃)₄C₃HCO₂H and a molecular weight of 142.20, is a versatile organic building block. This compound is primarily utilised in chemical synthesis, serving as a key starting material in the development of novel compounds. Its specific structure makes it valuable in research laboratories for creating complex molecules, particularly those intended for pharmaceutical applications.
- Synonyms
- 3-Tetramethylcyclopropanecarboxylic acid15641-58-4(CH3)4C3HCO2H

Synthesis of CNS-Active Compounds
2,2,3,3-Tetramethylcyclopropanecarboxylic acid is employed as a crucial starting material in the synthetic pathways leading to compounds exhibiting activity within the central nervous system. Its unique structural features can be incorporated to modulate pharmacological properties.
Organic Synthesis Building Block
This carboxylic acid serves as a valuable building block in organic synthesis. Its sterically hindered cyclopropane ring and carboxylic acid functionality allow for diverse chemical transformations, facilitating the construction of complex molecular architectures.
Research and Development
In research and development settings, 2,2,3,3-Tetramethylcyclopropanecarboxylic acid is used to explore new chemical entities. It provides a scaffold for medicinal chemistry programmes and materials science investigations.
| Molecular weight | 142.20 |
|---|---|
| Linear formula | (CH3)4C3HCO2H |
| Assay | 99% |
| Application | 2,2,3,3-Tetramethylcyclopropanecarboxylic acid was used as a starting material for the synthesis of central nervous system-active compounds.1 |
| Melting point | 120-121 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-37/39 |
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 2,2,3,3-Tetramethylcyclopropanecarboxylic acid used for?
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2,2,3,3-Tetramethylcyclopropanecarboxylic acid is used as a starting material in the synthesis of central nervous system-active compounds and as a versatile building block in organic synthesis for research and development.
What are the CAS number and chemical formula for 2,2,3,3-Tetramethylcyclopropanecarboxylic acid?
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The CAS number is 15641-58-4, and the linear chemical formula is (CH₃)₄C₃HCO₂H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,2,3,3-Tetramethylcyclopropanecarboxylic acid with a purity of 99%. This is a research or technical grade chemical and is not supplied as USP, BP, EP, or any other pharmacopoeia standard.
How should 2,2,3,3-Tetramethylcyclopropanecarboxylic acid be handled?
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This compound is a Warning substance that causes skin irritation, serious eye irritation, and may cause respiratory irritation (H315-H319-H335). Handle with appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves, in a well-ventilated area.
Is 2,2,3,3-Tetramethylcyclopropanecarboxylic acid exported by TSS?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 2,2,3,3-Tetramethylcyclopropanecarboxylic acid.
How can I request a sample or quote for 2,2,3,3-Tetramethylcyclopropanecarboxylic acid?
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To request a sample or a quote, please contact our sales department through the website or by calling our office. Specify the product name and CAS number (15641-58-4) in your enquiry.
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