(R)-2-Hydroxy-4-phenylbutyric acid
(R)-2-Hydroxy-4-phenylbutyric acid (CAS: 29678-81-7) is a chiral carboxylic acid with the formula C6H5CH2CH2CH(OH)CO2H and a molecular weight of 180.20 g/mol. This compound serves as a valuable chiral building block in organic synthesis, particularly in the development of complex molecules. Its specific stereochemistry makes it useful in asymmetric synthesis, contributing to the creation of enantiomerically pure compounds for various research and development applications.

Chiral Building Block
Serves as a key intermediate in the synthesis of enantiomerically pure compounds. Its defined stereochemistry is critical for building complex molecular architectures.
Asymmetric Synthesis
Utilised in stereoselective reactions to introduce chirality into target molecules. This is important for creating specific isomers with desired biological or chemical properties.
Organic Synthesis Intermediate
A versatile reagent in the laboratory for constructing various organic molecules. It is employed in research and development settings for creating novel chemical entities.
| Molecular weight | 180.20 |
|---|---|
| Linear formula | C6H5CH2CH2CH(OH)CO2H |
| Assay | 99% |
| Optical activity | [α]20/D −9.5°, c = 2.8 in ethanol |
| Melting point | 114-117 °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 (R)-2-Hydroxy-4-phenylbutyric acid used for?
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(R)-2-Hydroxy-4-phenylbutyric acid is primarily used as a chiral building block in asymmetric synthesis and as an intermediate in organic synthesis for creating complex, enantiomerically pure compounds.
What is the CAS number and formula for (R)-2-Hydroxy-4-phenylbutyric acid?
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The CAS number is 29678-81-7 and the linear formula is C6H5CH2CH2CH(OH)CO2H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (R)-2-Hydroxy-4-phenylbutyric acid with an assay of 99%. We do not represent this product as USP, BP, or EP grade.
What are the safety and handling recommendations for this chemical?
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Handling requires personal protective equipment including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. This compound is classified under WGK 2 in Germany.
How is (R)-2-Hydroxy-4-phenylbutyric acid packed and shipped?
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Tech Serve Solutions packs and exports fine chemicals globally, adhering to all necessary safety and regulatory standards for chemical transport.
How can I request a quote or sample?
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To request a quote or sample of (R)-2-Hydroxy-4-phenylbutyric acid, please contact our sales team via the website or by phone.
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