(3aR,6aR)-3,6-Diphenyl-1,3a,4,6a-tetrahydropentalene
(3aR,6aR)-3,6-Diphenyl-1,3a,4,6a-tetrahydropentalene (CAS 947503-81-3) is a chiral organic compound with the molecular formula C20H18 and a molecular weight of 258.36 g/mol. This alkene derivative is valuable in asymmetric synthesis and as a chiral building block. Its specific stereochemistry and rigid structure make it a useful intermediate in complex organic synthesis pathways.
- IUPAC
- (3aR,6aR)-1,3a,4,6a-tetrahydro-3,6-diphenylpentalene
- Synonyms
- 3,6-Diphenyl-1,3a,4,6a-tetrahydropentalene(3aR,6aR)-1,3a,4,6a-tetrahydro-3,6-diphenylpentalene

Chiral Building Block
Utilised in organic synthesis for constructing enantiomerically pure molecules. Its defined stereocentres are crucial for stereoselective transformations.
Asymmetric Synthesis
Serves as a key intermediate or precursor in asymmetric catalytic reactions. Its structure can influence the stereochemical outcome of reactions.
Research and Development
Employed in academic and industrial research labs for the development of novel synthetic methodologies and complex molecule construction.
| Molecular weight | 258.36 |
|---|---|
| Empirical formula | C20H18 |
| Assay | 97% |
| Optical activity | [α]22/D −600, c = 1 in chloroform |
| Storage temperature | 2-8°C |
| Melting point | 104-109 °C |
| 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 (3aR,6aR)-3,6-Diphenyl-1,3a,4,6a-tetrahydropentalene used for?
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(3aR,6aR)-3,6-Diphenyl-1,3a,4,6a-tetrahydropentalene is primarily used as a chiral building block and in asymmetric synthesis for the construction of complex organic molecules.
What are the CAS number and molecular formula?
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The CAS number is 947503-81-3 and the molecular formula is C20H18.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (3aR,6aR)-3,6-Diphenyl-1,3a,4,6a-tetrahydropentalene with an assay of 97%. This product is suitable for research and chemical synthesis purposes and is not represented as USP, BP, or EP grade.
What are the safety and handling recommendations?
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This compound requires careful handling. Personal protective equipment, including eyeshields and gloves, should be worn. A respirator filter suitable for N95 (US) or P1 (EN143) standards is recommended. It is classified under WGK 2 in Germany, indicating it is hazardous to water.
How is this chemical shipped and exported?
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Tech Serve Solutions, a specialist global supplier and exporter, ensures that (3aR,6aR)-3,6-Diphenyl-1,3a,4,6a-tetrahydropentalene is packed and exported according to international shipping regulations for fine chemicals. Storage at 2-8°C is recommended.
How can I request a sample or quote?
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To request a sample or a quotation for (3aR,6aR)-3,6-Diphenyl-1,3a,4,6a-tetrahydropentalene, please contact our sales department via the website or direct inquiry.
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