(R)-3-Hydroxybutyric acid
(R)-3-Hydroxybutyric acid (CAS: 625-72-9, C4H8O3) is a chiral organic compound with a molecular weight of 104.10 g/mol. This carboxylic acid serves as a valuable chiral building block in asymmetric synthesis. Its optical activity, with a specific rotation of [α]20/D −25±1°, highlights its utility in stereoselective chemical transformations. TSS supplies this reagent for research and synthesis applications, adhering to strict quality standards.

Chiral Building Block in Organic Synthesis
(R)-3-Hydroxybutyric acid is frequently employed as a chiral synthon for the stereoselective construction of complex molecules. Its defined stereochemistry makes it ideal for introducing chirality in pharmaceutical intermediates and natural product synthesis.
Asymmetric Synthesis
This compound is a key starting material or intermediate in asymmetric synthesis, enabling chemists to control the stereochemical outcome of reactions. It facilitates the creation of enantiomerically pure compounds essential in medicinal chemistry.
Metabolic Research
As a metabolite naturally occurring in biological systems, (R)-3-Hydroxybutyric acid finds applications in cell biology and metabolomics research. It can be used to study metabolic pathways and the regulation of energy metabolism.
| Molecular weight | 104.10 |
|---|---|
| Empirical formula | C4H8O3 |
| Assay | ≥98.0% (T) |
| Optical activity | [α]20/D −25±1°, c = 6% in H2O |
| Storage temperature | 2-8°C |
| Melting point | 49-50 °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 |
|---|---|
| Flash point | 112 °C / 233.6 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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)-3-Hydroxybutyric acid used for?
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(R)-3-Hydroxybutyric acid is primarily used as a chiral building block in asymmetric synthesis and organic chemical synthesis. It is also utilized in cell biology and metabolic research.
What is the CAS number and molecular formula for (R)-3-Hydroxybutyric acid?
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The CAS number for (R)-3-Hydroxybutyric acid is 625-72-9, and its molecular formula is C4H8O3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (R)-3-Hydroxybutyric acid with an assay of ≥98.0% (T). We do not represent this product as USP, BP, or EP grade; it is intended for research and technical applications.
How should (R)-3-Hydroxybutyric acid be handled safely?
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Handle (R)-3-Hydroxybutyric acid with appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves. Avoid breathing dust and ensure good ventilation. Refer to the safety data sheet for comprehensive handling information. It is classified with GHS07 symbol and 'Warning' signal word, with hazards including skin irritation (H315), eye irritation (H319), and respiratory irritation (H335).
How is (R)-3-Hydroxybutyric acid exported by TSS?
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Tech Serve Solutions is a global supplier and exporter of fine chemicals, including (R)-3-Hydroxybutyric acid, ensuring reliable international distribution.
How can I request a sample or quote for (R)-3-Hydroxybutyric acid?
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To request a sample or a quote for (R)-3-Hydroxybutyric acid, please contact our sales department through the website or by phone.
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