(S)-(−)-4-Isopropyl-5,5-diphenyl-2-oxazolidinone
(S)-(−)-4-Isopropyl-5,5-diphenyl-2-oxazolidinone (CAS: 184346-45-0) is a chiral auxiliary with the molecular formula C18H19NO2 and a molecular weight of 281.35 g/mol. This oxazolidinone derivative is primarily utilised in asymmetric synthesis and chemical synthesis to control stereochemistry during reactions. Its well-defined chiral structure makes it a valuable reagent for creating enantiomerically enriched products.
- Synonyms
- C18H19NO2

Asymmetric Synthesis
This compound functions as a chiral auxiliary, enabling the stereoselective synthesis of complex molecules. It facilitates the control of chirality in various organic transformations.
Chemical Synthesis
Used as a building block or reagent in sophisticated organic synthesis pathways. Its structure is beneficial for introducing specific stereochemical outcomes.
Chiral Auxiliaries
As a member of the oxazolidinone class, it is employed to direct stereochemical outcomes in reactions such as alkylations, aldol additions, and Diels-Alder reactions.
| Molecular weight | 281.35 |
|---|---|
| Empirical formula | C18H19NO2 |
| Assay | 98% |
| Optical activity | [α]24/D −220°, c = 1% in chloroform |
| Melting point | 252-255 °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 (S)-(−)-4-Isopropyl-5,5-diphenyl-2-oxazolidinone used for?
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(S)-(−)-4-Isopropyl-5,5-diphenyl-2-oxazolidinone is primarily used as a chiral auxiliary in asymmetric synthesis and general chemical synthesis to control the stereochemical outcome of reactions.
What is the CAS number and molecular formula?
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The CAS number is 184346-45-0 and the molecular formula is C18H19NO2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this product with a minimum assay of 98%. It is not represented as USP, BP, or EP grade.
What are the safety and handling considerations?
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This compound requires the use of eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended for respiratory protection. It has a German Water Hazard Class (WGK) of 3.
How is this chemical packed and shipped?
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This product is carefully packed to ensure stability during transit and is exported globally by Tech Serve Solutions.
How can I request a sample or quote?
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To request a sample or a quote for (S)-(−)-4-Isopropyl-5,5-diphenyl-2-oxazolidinone, please use the contact form or email our sales department.
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