2-Cyclopentene-1-acetic acid
2-Cyclopentene-1-acetic acid (CAS: 13668-61-6), with the molecular formula C7H10O2 and a molar mass of 126.15 g/mol, is a valuable organic compound. It serves as a versatile building block in chemical synthesis. Primarily utilised in research and development, it is a key intermediate for creating more complex organic molecules within the pharmaceutical and fine chemical industries.
- IUPAC
- 2-Cyclopenten-1-ylacetic acid
- Synonyms
- 2-Cyclopenten-1-ylacetic acid

Organic Synthesis Intermediate
2-Cyclopentene-1-acetic acid is employed as a precursor in the synthesis of diverse organic compounds. Its structure allows for various chemical transformations, making it useful in the creation of novel molecules.
Pharmaceutical Research
This compound finds application in pharmaceutical research as a building block for potential drug candidates. It can be incorporated into synthetic routes for developing new therapeutic agents.
Fine Chemical Manufacturing
Used in the production of fine chemicals, 2-Cyclopentene-1-acetic acid contributes to the synthesis of specialised chemical products for various industrial applications.
| Molecular weight | 126.15 |
|---|---|
| Linear formula | C5H7CH2CO2H |
| Assay | 98% |
| Boiling point | 93-94 °C/2.5 mmHg(lit.) |
| Density | 1.047 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.468(lit.) |
| Melting point | 19 °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 | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 110 °C / 230 °F |
| 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-Cyclopentene-1-acetic acid used for?
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2-Cyclopentene-1-acetic acid is primarily used as an intermediate in organic synthesis, particularly in pharmaceutical research and the manufacturing of fine chemicals.
What is the CAS number and molecular formula for 2-Cyclopentene-1-acetic acid?
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The CAS number is 13668-61-6 and the molecular formula is C7H10O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Cyclopentene-1-acetic acid with a minimum assay of 98%. This product is intended for research and laboratory use and is not represented as USP, BP, or EP grade.
How should 2-Cyclopentene-1-acetic acid be handled?
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Handle 2-Cyclopentene-1-acetic acid with appropriate personal protective equipment. It is classified with GHS07, indicating a Warning signal word, and has hazard statements H315 (causes skin irritation), H319 (causes serious eye irritation), and H335 (may cause respiratory irritation). Ensure good ventilation and wear eyeshields, gloves, and suitable respiratory protection.
How is 2-Cyclopentene-1-acetic acid packed and shipped?
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2-Cyclopentene-1-acetic acid is carefully packed and exported by Tech Serve Solutions in compliance with international shipping regulations for chemical substances.
How can I request a quote or sample for 2-Cyclopentene-1-acetic acid?
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To request a quote or sample for 2-Cyclopentene-1-acetic acid, please contact our sales team via the website or listed contact details.
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