1,3-(S)-O-Benzylidene-D-threitol
1,3-(S)-O-Benzylidene-D-threitol (CAS: 81577-58-4) is a carbohydrate derivative with the molecular formula C11H14O4 and a molecular weight of 210.23 g/mol. This compound serves as a valuable chiral building block in organic synthesis. It is primarily utilized in the fields of carbohydrate chemistry and chemical biology for the construction of complex molecules and the study of biological processes.
- IUPAC
- (2S,4R,5R)-5-Hydroxy-2-phenyl-1,3-dioxane-4-methanol
- Synonyms
- C11H14O4(2S,4R,5R)-5-Hydroxy-2-phenyl-1,3-dioxane-4-methanol

Chiral Synthesis
Serves as a stereochemically defined starting material for the synthesis of complex chiral molecules, including pharmaceuticals and natural products.
Carbohydrate Chemistry
Utilised in the study and modification of carbohydrates, acting as a protected form of D-threitol for regioselective reactions.
Chemical Biology Research
Employed in biochemical studies requiring specific chiral scaffolds to investigate biological pathways and interactions.
Asymmetric Catalysis
Can be used as a precursor for ligands or chiral auxiliaries in asymmetric synthesis and catalysis.
| Molecular weight | 210.23 |
|---|---|
| Empirical formula | C11H14O4 |
| Assay | ≥98% (HPLC) |
| Optical activity | [α]/D -4.0±0.5°, c = 1 in methanol |
| Storage temperature | 2-8°C |

Hazard statements
- H302Harmful if swallowed
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22 |
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 1,3-(S)-O-Benzylidene-D-threitol used for?
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1,3-(S)-O-Benzylidene-D-threitol is used as a chiral building block in organic synthesis, particularly within carbohydrate chemistry and chemical biology research. It is employed for the construction of complex chiral molecules and for studying biological processes.
What is the CAS number and formula for 1,3-(S)-O-Benzylidene-D-threitol?
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The CAS number for 1,3-(S)-O-Benzylidene-D-threitol is 81577-58-4 and its empirical formula is C11H14O4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1,3-(S)-O-Benzylidene-D-threitol with a purity of ≥98% (HPLC). TSS does not represent this product as USP, EP, BP, or any other pharmacopoeia grade.
What are the safety and handling recommendations for 1,3-(S)-O-Benzylidene-D-threitol?
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1,3-(S)-O-Benzylidene-D-threitol is classified as a Warning substance (GHS07) with hazard statement H302 (Harmful if swallowed). It should be handled with appropriate personal protective equipment, avoiding ingestion, inhalation, and skin contact. Storage at 2-8°C is recommended.
Is 1,3-(S)-O-Benzylidene-D-threitol a controlled substance?
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Based on the provided data, 1,3-(S)-O-Benzylidene-D-threitol (CAS: 81577-58-4) is not indicated as a controlled substance.
How is 1,3-(S)-O-Benzylidene-D-threitol packed, shipped, and exported?
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Tech Serve Solutions professionally packs, ships, and exports 1,3-(S)-O-Benzylidene-D-threitol according to international standards for chemical safety and transport, ensuring product integrity and regulatory compliance.
How can I request a quote or sample for 1,3-(S)-O-Benzylidene-D-threitol?
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To request a quote or a sample of 1,3-(S)-O-Benzylidene-D-threitol, please contact our sales team via the website or direct inquiry channels, providing your specific requirements.
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