(3S)-cis-3,6-Dimethyl-1,4-dioxane-2,5-dione
(3S)-cis-3,6-Dimethyl-1,4-dioxane-2,5-dione, CAS 4511-42-6, is a chiral organic compound with the molecular formula C6H8O4 and a molecular weight of 144.13 g/mol. This lactone is primarily utilised as a monomer in the synthesis of biodegradable copolymers and finds applications in asymmetric synthesis and materials science. Stored under refrigeration, it is supplied with an assay of 98% purity.
- IUPAC
- L-Lactide
- Synonyms
- 5-dioneL-Lactide

Biodegradable Copolymer Synthesis
This compound serves as a key monomer for creating biodegradable copolymers. Its incorporation into polymer chains imparts desirable degradation properties, making it suitable for various material science applications.
Asymmetric Synthesis
As a chiral building block, (3S)-cis-3,6-Dimethyl-1,4-dioxane-2,5-dione is valuable in asymmetric synthesis. It enables the stereoselective construction of complex molecules, contributing to the development of enantiomerically pure compounds.
Materials Science
The unique structure of this lactone makes it an interesting component for developing novel materials. Research into its polymerisation characteristics can lead to advanced materials with tailored properties for specific industrial uses.
| Molecular weight | 144.13 |
|---|---|
| Empirical formula | C6H8O4 |
| Assay | 98% |
| Optical activity | [α]20/D −285°, c = 1 in toluene |
| Storage temperature | 2-8°C |
| Application | Employed in the synthesis of biodegradable copolymers.1,2,3 |
| Melting point | 92-94 °C(lit.) |

Hazard statements
- H319Causes serious eye irritation
Precautionary statements
- 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 |
| 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 (3S)-cis-3,6-Dimethyl-1,4-dioxane-2,5-dione used for?
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(3S)-cis-3,6-Dimethyl-1,4-dioxane-2,5-dione is used in the synthesis of biodegradable copolymers and in asymmetric synthesis.
What is the CAS number and molecular formula?
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The CAS number is 4511-42-6 and the molecular formula is C6H8O4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical with an assay of 98% purity. This product is not represented as USP, BP, EP, or any other pharmacopoeia grade.
What are the safety and handling requirements?
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This compound is classified as an irritant. Handling requires a dust mask type N95 (US), eyeshields, and gloves. It is important to avoid contact with eyes. In case of eye contact, rinse cautiously with water for several minutes, removing contact lenses if present and easy to do, and continue rinsing. Store at 2-8°C.
How is the product packed, shipped, and exported?
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Tech Serve Solutions, established in 1998, is a specialist global supplier and exporter of fine chemicals, pharmaceutical intermediates, and laboratory reagents. Specific packing, shipping, and export details are available upon request.
How can I request a sample or quote?
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To request a sample or a quotation for (3S)-cis-3,6-Dimethyl-1,4-dioxane-2,5-dione, please contact our sales team through the website or by phone.
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