1-Cyclopentenecarboxylic acid
1-Cyclopentenecarboxylic acid (CAS: 1560-11-8, Formula: C 6 O 2 , Molar Mass: 112.13 g/mol) is a versatile organic compound featuring a carboxylic acid group attached to a cyclopentene ring. This molecule serves as a valuable building block in organic synthesis. Its structure lends itself to various chemical transformations, making it useful in the development of novel compounds and materials. Available at 98% purity, it is suitable for research and development applications.

Organic Synthesis Intermediate
1-Cyclopentenecarboxylic acid is utilised as a key intermediate in the synthesis of more complex organic molecules. Its reactive carboxylic acid group and the unsaturated ring system allow for diverse chemical modifications.
Pharmaceutical Research
This compound can serve as a starting material or intermediate in the research and development of new pharmaceutical agents. Its structural features may be incorporated into drug discovery programmes.
Material Science
The molecule's characteristics make it a potential component in the development of novel polymers or advanced materials where specific functional groups are required.
| Molecular weight | 112.13 |
|---|---|
| Linear formula | C5H7CO2H |
| Assay | 98% |
| Melting point | 121-124 °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 1-Cyclopentenecarboxylic acid used for?
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1-Cyclopentenecarboxylic acid is primarily used as a building block and intermediate in organic synthesis, including applications in pharmaceutical research and material science.
What are the CAS number and formula for 1-Cyclopentenecarboxylic acid?
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The CAS number is 1560-11-8 and the molecular formula is C 6 O 2 .
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1-Cyclopentenecarboxylic acid with an assay of 98%. We do not represent this product as USP, BP, or EP grade.
How should 1-Cyclopentenecarboxylic acid be handled safely?
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According to GHS, this compound is a Warning with hazards H315, H319, and H335. Recommended personal protective equipment includes a dust mask type N95 (US), eyeshields, and gloves. Handle in a well-ventilated area.
Is 1-Cyclopentenecarboxylic acid a controlled substance?
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The provided data does not indicate that 1-Cyclopentenecarboxylic acid is a controlled substance.
How is 1-Cyclopentenecarboxylic acid packed, shipped, and exported?
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1-Cyclopentenecarboxylic acid is carefully packed to ensure safe transit and is available for global export by Tech Serve Solutions.
How can I request a quote or sample for 1-Cyclopentenecarboxylic acid?
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Please contact our sales team via the website or direct inquiry channels to request a quote or a sample of 1-Cyclopentenecarboxylic acid.
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