(S)-3-Aminobutyric acid
(S)-3-Aminobutyric acid (CAS: 3775-72-2, C4H9NO2) is a chiral building block with a molecular weight of 103.12 g/mol. This compound features both an amine and a carboxylic acid functional group, making it a versatile intermediate in organic synthesis. It is particularly valuable in asymmetric synthesis for the construction of complex chiral molecules. Stored at 2-8°C, it is supplied by Tech Serve Solutions with an assay of 97%.
- IUPAC
- (S)-β-Aminobutyric acid,S-3-Aminobutanoic acid
- Synonyms
- (S)-β-Aminobutyric acidS-3-Aminobutanoic acid

Chiral Synthesis Intermediate
(S)-3-Aminobutyric acid serves as a crucial chiral building block in the stereoselective synthesis of complex organic molecules. Its defined stereochemistry allows for the introduction of specific chirality in target compounds.
Pharmaceutical Research
This compound is utilised in pharmaceutical research and development as an intermediate for the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs). Its structure is relevant for developing molecules with specific biological activities.
Organic Synthesis Reagent
As a bifunctional molecule, it finds application in various organic synthesis pathways, enabling the formation of amides, peptides, and other nitrogen-containing structures.
| Molecular weight | 103.12 |
|---|---|
| Empirical formula | C4H9NO2 |
| Assay | 97% |
| Storage temperature | 2-8°C |
| Melting point | 229-231 °C |

Hazard statements
- H319Causes serious eye irritation
Precautionary statements
- P305IF IN EYES
| 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 (S)-3-Aminobutyric acid used for?
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(S)-3-Aminobutyric acid is primarily used as a chiral building block and intermediate in organic synthesis, particularly in asymmetric synthesis and pharmaceutical research for creating complex chiral molecules and drug candidates.
What is the CAS number and chemical formula for (S)-3-Aminobutyric acid?
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The CAS number is 3775-72-2, and the chemical formula is C4H9NO2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (S)-3-Aminobutyric acid with an assay of 97%. This is typically considered a research or technical grade; we do not represent it as USP, BP, or EP grade unless explicitly stated otherwise.
How should (S)-3-Aminobutyric acid be handled and stored?
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(S)-3-Aminobutyric acid is classified as an irritant (H319). It requires careful handling to avoid eye contact. Store at 2-8°C and ensure good ventilation. In case of eye contact, rinse cautiously with water for several minutes; remove contact lenses if present and easy to do. Continue rinsing.
Is (S)-3-Aminobutyric acid a controlled substance?
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The provided data does not indicate that (S)-3-Aminobutyric acid is a controlled substance.
How is (S)-3-Aminobutyric acid packed, shipped, and exported?
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Products are carefully packed to ensure stability during transit and are exported globally by Tech Serve Solutions following all relevant regulations.
How can I request a quote or sample of (S)-3-Aminobutyric acid?
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To request a quote or sample, please contact our sales team through the website or by phone, providing the product name and CAS number (3775-72-2).
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