(R)-(3-Fluorophenyl)oxirane
(R)-(3-Fluorophenyl)oxirane (CAS: 403501-35-9, Formula: C8H7FO) is a chiral fluorinated epoxide, produced by BASF. With a molecular weight of 138.14 g/mol, this compound serves as a valuable building block in asymmetric synthesis and chemical research. Its fluorinated heterocyclic structure makes it useful in the development of novel organic compounds and pharmaceutical intermediates. TSS offers this reagent for your synthetic needs.
- IUPAC
- (R)-3-Fluorostyrene oxide

Chiral Building Block
This enantiomerically pure epoxide is a versatile chiral building block for the synthesis of complex organic molecules with defined stereochemistry. It can be used in the construction of chiral pharmaceuticals and agrochemicals.
Fluorinated Heterocycle Synthesis
The presence of fluorine and the epoxide ring makes (R)-(3-Fluorophenyl)oxirane a useful precursor for creating novel fluorinated heterocyclic compounds. These structures are often of interest in medicinal chemistry.
Asymmetric Synthesis
As a chiral epoxide, it plays a key role in asymmetric synthesis, enabling the stereoselective introduction of functional groups into organic molecules. This is critical for developing enantiomerically pure active pharmaceutical ingredients.
| Molecular weight | 138.14 |
|---|---|
| Empirical formula | C8H7FO |
| Assay | ≥98.0% (GC)≥98.0% |
| Grade | produced by BASF |
| Optical purity | enantiomeric excess: ≥98.0% |


Hazard statements
- H311Toxic in contact with skin
- H319Causes serious eye irritation
- H350May cause cancer
Precautionary statements
- P201Obtain special instructions before use
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P308IF exposed or concerned
| Transport (UN / ADR) | UN 2810 6.1 / PGIII |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 45-21-36 |
| Safety statements (S) | 53-26-36/37-45 |
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 (R)-(3-Fluorophenyl)oxirane primarily used for?
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(R)-(3-Fluorophenyl)oxirane is primarily used as a chiral building block in asymmetric synthesis and for the creation of fluorinated heterocyclic compounds in chemical research and development.
What is the CAS number and formula for (R)-(3-Fluorophenyl)oxirane?
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The CAS number is 403501-35-9 and the empirical formula (Hill notation) is C8H7FO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (R)-(3-Fluorophenyl)oxirane with an assay of ≥98.0% (GC) and an enantiomeric excess of ≥98.0%, produced by BASF. We do not represent this product as USP, BP, or EP grade.
How should (R)-(3-Fluorophenyl)oxirane be handled safely?
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(R)-(3-Fluorophenyl)oxirane is classified as toxic if inhaled or in contact with skin and may cause serious eye irritation. It is also suspected of causing cancer. Handle with appropriate personal protective equipment (gloves, eye protection, respiratory protection) in a well-ventilated area, and refer to the Safety Data Sheet for detailed guidance. It is labelled with GHS06 and GHS08 symbols, with the signal word 'Danger'.
How is (R)-(3-Fluorophenyl)oxirane packed and exported?
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This chemical is packed according to relevant transport regulations (UN 2810 6.1 / PGIII) and is available for global export by Tech Serve Solutions.
How can I request a quote or sample of (R)-(3-Fluorophenyl)oxirane?
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Please contact our sales team via the website to request a quote or a sample of (R)-(3-Fluorophenyl)oxirane.
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