(R)-2-Hydroxy-2-phenylbutyric acid
(R)-2-Hydroxy-2-phenylbutyric acid (CAS: 3966-31-2), a chiral carboxylic acid with the molecular formula C10H12O3 and a molecular weight of 180.20 g/mol, serves as a valuable building block in organic synthesis. Its distinct chiral centre makes it particularly useful in asymmetric synthesis for the creation of enantiomerically pure compounds. This reagent is essential for researchers and manufacturers developing complex molecules in pharmaceuticals and fine chemicals.

Chiral Building Block
Utilised in asymmetric synthesis to introduce chirality into target molecules. Its structure allows for stereoselective reactions, crucial in the development of enantiopure pharmaceuticals and complex organic compounds.
Organic Synthesis Intermediate
Serves as a versatile intermediate in multi-step organic syntheses. It can be functionalised or incorporated into larger molecular structures, contributing to the synthesis of novel chemical entities.
Research and Development
A key reagent for academic and industrial research laboratories exploring new synthetic routes and developing novel compounds. Its availability supports innovation in chemical sciences.
| Molecular weight | 180.20 |
|---|---|
| Empirical formula | C10H12O3 |
| Assay | 96% |
| Optical activity | [α]20/D -27.0°, c = 1 in ethanol |
| Melting point | 106-113 °C |

Hazard statements
- H319Causes serious eye irritation
Precautionary statements
- 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 |
| Safety statements (S) | 26 |
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-2-phenylbutyric acid used for?
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(R)-2-Hydroxy-2-phenylbutyric acid is primarily used as a chiral building block in asymmetric synthesis and as an intermediate in general organic synthesis for creating complex molecules, particularly in pharmaceutical and fine chemical research.
What are the CAS number and formula for (R)-2-Hydroxy-2-phenylbutyric acid?
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The CAS number is 3966-31-2, and the empirical formula is C10H12O3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (R)-2-Hydroxy-2-phenylbutyric acid with an assay of 96%. This product is not specified as USP, BP, or EP grade and is supplied for research and chemical synthesis purposes.
How should (R)-2-Hydroxy-2-phenylbutyric acid be handled?
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According to GHS information, (R)-2-Hydroxy-2-phenylbutyric acid is a Warning substance (H319) causing serious eye irritation. Handle with appropriate personal protective equipment including a dust mask (type N95 US), eyeshields, and gloves. Ensure good ventilation and avoid dust formation.
Is (R)-2-Hydroxy-2-phenylbutyric acid a controlled substance?
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The provided data does not indicate that (R)-2-Hydroxy-2-phenylbutyric acid is a controlled substance.
How can I request a sample or quote for (R)-2-Hydroxy-2-phenylbutyric acid?
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To request a sample or a quote, please visit the product page on the Tech Serve Solutions website and use the designated contact form or email address provided.
How is (R)-2-Hydroxy-2-phenylbutyric acid shipped and exported?
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(R)-2-Hydroxy-2-phenylbutyric acid is carefully packaged according to its specifications and safety data. Tech Serve Solutions is a global supplier and exporter, capable of shipping this chemical worldwide in compliance with relevant international regulations.
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