4-Amino-3-hydroxybutyric acid
4-Amino-3-hydroxybutyric acid (CAS 924-49-2), with the linear formula H₂NCH₂CH(OH)CH₂CO₂H and a molecular weight of 119.12 g/mol, is a non-proteinogenic amino acid. It serves as a valuable building block in chemical synthesis and research, particularly within the fields of chemical biology and peptide chemistry. Its structure features both amino and hydroxyl groups, making it a versatile intermediate for creating more complex molecules.
- IUPAC
- DL-γ-Amino-β-hydroxybutyric acid

Chemical Synthesis Intermediate
Utilised as a versatile intermediate in organic synthesis, enabling the construction of complex molecular architectures. Its functional groups allow for diverse chemical modifications and coupling reactions.
Peptide Chemistry Research
Serves as an unnatural amino acid derivative for incorporation into peptides. This allows for the study of peptide structure-activity relationships and the development of novel peptidomimetics.
Chemical Biology Studies
Employed in chemical biology research to investigate biological pathways and functions. Its unique structure can be leveraged to probe biological systems or develop new biochemical tools.
Linear Core Amino Acid
Functions as a linear core amino acid, providing a specific structural motif in the synthesis of specialised peptides or organic compounds.
| Molecular weight | 119.12 |
|---|---|
| Linear formula | H2NCH2CH(OH)CH2CO2H |
| Assay | 98% |
| Melting point | 223 °C (dec.)(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 |
|---|---|
| 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 4-Amino-3-hydroxybutyric acid used for?
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4-Amino-3-hydroxybutyric acid is primarily used as an intermediate in chemical synthesis, particularly within chemical biology and peptide chemistry research, and as a linear core amino acid derivative.
What is the CAS number and chemical formula for 4-Amino-3-hydroxybutyric acid?
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The CAS number is 924-49-2 and the linear chemical formula is H₂NCH₂CH(OH)CH₂CO₂H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Amino-3-hydroxybutyric acid with an assay of 98%. This product is intended for laboratory and research use and is not supplied as USP, BP, EP, or pharmaceutical grade.
How should 4-Amino-3-hydroxybutyric acid be handled safely?
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Handle with appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves. Avoid breathing dust. In case of eye contact, rinse cautiously with water for several minutes, removing contact lenses if present and easy to do. Continue rinsing. This compound is classified as an irritant to the skin, eyes, and respiratory system.
Is 4-Amino-3-hydroxybutyric acid a controlled substance?
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The provided data does not indicate that 4-Amino-3-hydroxybutyric acid (CAS 924-49-2) is a controlled or scheduled substance.
How is 4-Amino-3-hydroxybutyric acid packed, shipped, or exported?
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Tech Serve Solutions, as a global supplier, exports chemicals according to international regulations. Specific packaging details will be provided upon order confirmation, adhering to all transport and handling requirements for chemical substances.
How can I request a sample or quote for 4-Amino-3-hydroxybutyric acid?
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To request a sample or a quotation, please visit the 'Contact Us' section on the Tech Serve Solutions website or use the 'Request Information' button on the product page. Provide your details and specify the product CAS number 924-49-2.
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