L-Threoninol
L-Threoninol (CAS: 3228-51-1), a chiral amino alcohol with the linear formula CH3CH(OH)CH(NH2)CH2OH, is a valuable building block in organic synthesis. Its structure, featuring both hydroxyl and amine functional groups, makes it suitable for creating complex molecules. This compound is particularly noted for its applications in peptide chemistry and as an intermediate in the synthesis of pharmaceuticals and biologically active compounds.
- IUPAC
- (2R,3R)-2-Amino-1,3-butanediol

Chiral Synthesis
L-Threoninol serves as a chiral auxiliary and synthon in asymmetric synthesis, enabling the stereoselective construction of complex organic molecules. Its defined stereochemistry is critical for developing enantiomerically pure compounds.
Peptide Chemistry
As an amino alcohol derivative, L-Threoninol can be incorporated into peptide chains or used in the synthesis of peptidomimetics. It offers a unique structural modification to peptide backbones.
Pharmaceutical Intermediates
This compound acts as a key intermediate in the multi-step synthesis of various pharmaceutical agents. Its functional groups allow for diverse derivatization pathways towards drug candidates.
Chemical Biology Research
L-Threoninol is employed in chemical biology for probing biological systems and developing novel probes or labelled molecules due to its specific structural features.
| Molecular weight | 105.14 |
|---|---|
| Linear formula | CH3CH(OH)CH(NH2)CH2OH |
| Assay | 97% |
| Optical activity | [α]20/D −4.2°, c = 1% in H2O |
| Melting point | 49-54 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
Precautionary statements
- P305IF IN EYES
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/38 |
| 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 L-Threoninol used for?
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L-Threoninol is primarily used in chiral synthesis, peptide chemistry, as a pharmaceutical intermediate, and in chemical biology research.
What is the CAS number and formula for L-Threoninol?
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The CAS number for L-Threoninol is 3228-51-1, and its linear formula is CH3CH(OH)CH(NH2)CH2OH.
What grade and purity does Tech Serve Solutions supply for L-Threoninol?
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Tech Serve Solutions supplies L-Threoninol with an assay of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should L-Threoninol be handled?
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L-Threoninol is a Warning substance that causes skin irritation (H315) and serious eye irritation (H319). In case of contact with eyes, rinse cautiously with water for several minutes, removing contact lenses if present and easy to do. Continue rinsing. If irritation persists, seek medical advice.
Is L-Threoninol available for export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including L-Threoninol.
How can I request a sample or quote for L-Threoninol?
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To request a sample or a quote for L-Threoninol, please contact our sales department through the website or by phone.
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