(2R,4R)-(+)-4,5-Dihydro-4-isopropyl-2-(p-tolyl)-1,2λ4,3-oxathiazole 2-oxide
(2R,4R)-(+)-4,5-Dihydro-4-isopropyl-2-(p-tolyl)-1,2λ4,3-oxathiazole 2-oxide (CAS: 170900-87-5) is a chiral heterocyclic compound with a molecular weight of 239.33 g/mol. This chemical functions as a valuable building block in asymmetric synthesis. Its specific stereochemistry makes it useful for constructing complex chiral molecules, particularly in the fields of organic synthesis and chemical research. Tech Serve Solutions supplies this compound with a purity of 98%.
- Synonyms
- 2λ4,3-oxathiazole 2-oxide,170900-87-5, C12H17NO2S

Chiral Building Block
This compound serves as a crucial chiral building block in stereoselective synthesis. Its defined stereochemistry allows for the construction of enantiomerically pure target molecules.
Asymmetric Synthesis
Utilised in asymmetric synthesis, it enables the creation of chiral centres with high stereocontrol. This is essential for the development of enantiopure pharmaceuticals and fine chemicals.
Heterocyclic Chemistry
As a substituted oxathiazole derivative, it is a key intermediate in heterocyclic chemistry research. It can be employed to synthesise more complex heterocyclic systems.
| Molecular weight | 239.33 |
|---|---|
| Empirical formula | C12H17NO2S |
| Assay | 98% |
| Optical activity | [α]20/D +85°, c = 1% in chloroform |
| Melting point | 82-86 °C(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| 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 (2R,4R)-(+)-4,5-Dihydro-4-isopropyl-2-(p-tolyl)-1,2λ4,3-oxathiazole 2-oxide used for?
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This compound is primarily used as a chiral building block in asymmetric synthesis and heterocyclic chemistry research to construct enantiomerically pure target molecules.
What is the CAS number and molecular formula for this oxathiazole derivative?
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The CAS number is 170900-87-5, and its empirical formula is C12H17NO2S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this compound with an assay of 98%. We do not represent it as USP, BP, EP, or pharmacopoeia grade.
How should (2R,4R)-(+)-4,5-Dihydro-4-isopropyl-2-(p-tolyl)-1,2λ4,3-oxathiazole 2-oxide be handled?
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Handle with appropriate personal protective equipment including eyeshields, gloves, and a type N95 (US) or type P1 (EN143) respirator filter due to potential hazards indicated by WGK Germany 3.
Is this chemical a controlled substance?
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The provided data does not indicate that this chemical is a controlled substance.
How is this chemical packed, shipped, and exported?
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Tech Serve Solutions packs, ships, and exports chemicals adhering to international regulations for safe transport. Specific packaging details can be provided upon request.
How can I request a sample or quote for this product?
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To request a sample or quote, please contact our sales team through the TSS website, providing the product name and CAS number (170900-87-5).
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