α-Cyclopentylmandelic acid
α-Cyclopentylmandelic acid (CAS: 427-49-6), with the molecular formula C13H16O3 and a molecular weight of 220.26 g/mol, is a valuable organic building block. This carboxylic acid derivative is primarily utilised in chemical synthesis. Its structure, featuring a cyclopentyl group and a hydroxyl-phenylacetic acid moiety, makes it a useful intermediate in the development of more complex molecules for research and industrial applications. Tech Serve Solutions supplies this compound for laboratory and manufacturing purposes.
- IUPAC
- 2-Cyclopentyl-2-hydroxy-2-phenylacetic acid

Organic Synthesis Intermediate
α-Cyclopentylmandelic acid serves as a versatile intermediate in the synthesis of diverse organic compounds. Its functional groups allow for various chemical transformations, aiding in the construction of novel molecular architectures.
Research and Development
This compound is employed in research laboratories for exploring new synthetic pathways and developing novel chemical entities. Its specific structure is of interest for probing structure-activity relationships in medicinal chemistry and materials science.
Building Block for Complex Molecules
As an organic building block, α-Cyclopentylmandelic acid is integral to multi-step syntheses. It can be incorporated into larger molecules, contributing specific structural features essential for target compound properties.
| Molecular weight | 220.26 |
|---|---|
| Empirical formula | C13H16O3 |
| Assay | 97% |
| Melting point | 146-151 °C |


Hazard statements
- H315Causes skin irritation
- H318Causes serious eye damage
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- 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) | 37/38-41 |
| Safety statements (S) | 26-39 |
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 α-Cyclopentylmandelic acid used for?
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α-Cyclopentylmandelic acid is primarily used as an intermediate in organic synthesis and as a building block for constructing complex molecules in research and development settings.
What is the CAS number and molecular formula for α-Cyclopentylmandelic acid?
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The CAS number for α-Cyclopentylmandelic acid is 427-49-6, and its molecular formula is C13H16O3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies α-Cyclopentylmandelic acid with a purity of 97% as a standard grade for research and chemical synthesis. We do not represent this product as USP, BP, or EP grade.
How should α-Cyclopentylmandelic acid be handled?
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Handle α-Cyclopentylmandelic acid with appropriate personal protective equipment, including a dust mask (type N95 or equivalent), eyeshields, and gloves. Ensure adequate ventilation to avoid respiratory irritation (H335), and prevent skin (H315) and serious eye damage (H318).
Is α-Cyclopentylmandelic acid a controlled substance?
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The provided data does not indicate that α-Cyclopentylmandelic acid (CAS: 427-49-6) is a controlled substance.
How is α-Cyclopentylmandelic acid shipped and exported?
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Tech Serve Solutions exports fine chemicals globally, adhering to all relevant shipping regulations. Specific packaging details will be provided upon order confirmation.
How can I request a quote or sample for α-Cyclopentylmandelic acid?
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To request a quote or sample for α-Cyclopentylmandelic acid, please contact our sales team through the website or by phone, referencing the product CAS number 427-49-6.
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