Benzyl (S)-(−)-lactate
Benzyl (S)-(−)-lactate (CAS: 56777-24-3) is a chiral ester with the linear formula CH3CH(OH)CO2CH2C6H5 and a molecular weight of 180.20 g/mol. This organic building block is primarily utilised in asymmetric synthesis and chemical research. Its chiral nature makes it valuable for constructing complex stereospecific molecules in various synthetic pathways. Tech Serve Solutions supplies this compound for laboratory and industrial applications.

Asymmetric Synthesis
Benzyl (S)-(−)-lactate serves as a chiral building block in asymmetric synthesis, enabling the stereoselective construction of complex organic molecules. Its defined stereochemistry is crucial for developing enantiomerically pure compounds.
Chemical Research
This ester is employed in chemical research as a versatile reagent and intermediate. It is valuable for exploring new synthetic routes and developing novel organic compounds with specific stereochemical properties.
Chiral Intermediate
As a chiral intermediate, Benzyl (S)-(−)-lactate can be incorporated into larger molecules where precise stereochemistry is required, such as in the synthesis of pharmaceuticals and agrochemicals.
| Molecular weight | 180.20 |
|---|---|
| Linear formula | CH3CH(OH)CO2CH2C6H5 |
| Assay | 90% |
| Boiling point | 105-109 °C/0.1 mmHg(lit.) |
| Density | 1.12 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.511(lit.) |
| Optical activity | [α]20/D −19°, c = 1 in acetone |
| Protective equipment | Eyeshields, Gloves |
|---|---|
| Flash point | >113 °C / >235.4 °F |
| Water hazard class (WGK, DE) | 3 |
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 Benzyl (S)-(−)-lactate used for?
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Benzyl (S)-(−)-lactate is primarily used in asymmetric synthesis and chemical research as a chiral building block and intermediate.
What are the CAS number and formula for Benzyl (S)-(−)-lactate?
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The CAS number is 56777-24-3 and the linear formula is CH3CH(OH)CO2CH2C6H5.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Benzyl (S)-(−)-lactate with an assay of 90%. We do not represent this product as USP, BP, EP, or other pharmacopoeia grades.
What are the safety and handling precautions for Benzyl (S)-(−)-lactate?
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When handling Benzyl (S)-(−)-lactate, it is essential to wear eyeshields and gloves. The compound has a flash point above 113 °C, indicating it is combustible.
Is Benzyl (S)-(−)-lactate a controlled substance?
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Based on the provided data, Benzyl (S)-(−)-lactate is not listed as a controlled substance.
How is Benzyl (S)-(−)-lactate packed and shipped?
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Tech Serve Solutions offers this chemical for export and ensures appropriate packaging for safe transport.
How can I request a quote or sample for Benzyl (S)-(−)-lactate?
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To request a quote or sample, please contact our sales team through the website or by phone.
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