1-Phenyl-1-cyclopentanecarboxylic acid
1-Phenyl-1-cyclopentanecarboxylic acid (CAS: 77-55-4), a carboxylic acid with the molecular formula C6H5C5H8CO2H, presents as a key organic building block. With a molecular weight of 190.24 g/mol, this compound is primarily utilised in chemical synthesis. Its specific structure makes it valuable for creating precursors in diverse synthetic pathways, including those for isoxazole and isoxazoline derivatives, underpinning its utility in research and development settings.

Precursor for Isoxazole and Isoxazoline Synthesis
1-Phenyl-1-cyclopentanecarboxylic acid serves as a crucial intermediate in the preparation of solid-phase synthesis precursors for isoxazole and isoxazoline derivatives, facilitating advanced organic chemistry research.
Organic Building Block
This compound acts as a versatile organic building block, enabling chemists to introduce specific phenyl and cyclopentane functionalities into target molecules during complex synthesis projects.
Research and Development
Utilised in R&D laboratories, its unique structure supports the exploration of novel chemical entities and synthetic methodologies across various scientific disciplines.
| Molecular weight | 190.24 |
|---|---|
| Linear formula | C6H5C5H8CO2H |
| Assay | 98% |
| Application | 1-Phenyl-1-cyclopentanecarboxylic acid was used to prepare precursors required for solid phase synthesis of isoxazole and isoxazoline derivatives1. |
| Melting point | 159-161 °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 1-Phenyl-1-cyclopentanecarboxylic acid used for?
+
1-Phenyl-1-cyclopentanecarboxylic acid is used as an organic building block in chemical synthesis, notably as a precursor for the preparation of isoxazole and isoxazoline derivatives.
What are the CAS number and formula for 1-Phenyl-1-cyclopentanecarboxylic acid?
+
The CAS number for 1-Phenyl-1-cyclopentanecarboxylic acid is 77-55-4, and its linear formula is C6H5C5H8CO2H.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies 1-Phenyl-1-cyclopentanecarboxylic acid with an assay of 98%. We do not represent this product as USP, BP, or EP grade.
How should 1-Phenyl-1-cyclopentanecarboxylic acid be handled safely?
+
When handling 1-Phenyl-1-cyclopentanecarboxylic acid, it is essential to use eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter should be used if necessary. It carries a WGK Germany classification of 3.
Can I get a quote or sample of 1-Phenyl-1-cyclopentanecarboxylic acid?
+
Yes, please contact our sales team to request a quote or a sample of 1-Phenyl-1-cyclopentanecarboxylic acid.
Is 1-Phenyl-1-cyclopentanecarboxylic acid exported by TSS?
+
Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 1-Phenyl-1-cyclopentanecarboxylic acid.
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis