(−)-α-Cedrene
(−)-α-Cedrene (CAS 469-61-4) is a naturally occurring sesquiterpene hydrocarbon with the formula C15H24 and a molecular weight of 204.35 g/mol. It is a chiral building block and a complex molecule with applications in chemical synthesis and cell biology. This compound is often isolated from natural sources and serves as a valuable precursor in organic chemistry research and the development of novel chemical entities. Its distinct optical activity is also noteworthy for chiral applications.
- IUPAC
- (1S,2R,5S)-2,6,6,8-Tetramethyltricyclo[5.3.1.01.5]undec-8-ene

Chiral Building Block in Organic Synthesis
(−)-α-Cedrene serves as a valuable chiral starting material for the synthesis of complex organic molecules. Its defined stereochemistry allows for the construction of enantiomerically pure compounds, which is crucial in pharmaceutical and fine chemical development.
Research in Cell Biology
This sesquiterpene hydrocarbon finds applications in cell biology research, potentially as a probe or tool to study biological pathways. Its natural origin and specific molecular structure can offer unique insights into cellular mechanisms.
Source of Phytochemicals
As a significant component of certain plant essential oils, such as those from Lavandula angustifolia and Ocimum basilicum, (–)-α-Cedrene is of interest in phytochemical research. It can be studied for its own properties or as a marker for botanical extracts.
Asymmetric Synthesis Studies
The enantiopure nature of (–)-α-Cedrene makes it an important compound for exploring and developing new asymmetric synthesis methodologies. Researchers utilize it to validate chiral induction strategies and catalytic systems.
| Molecular weight | 204.35 |
|---|---|
| Empirical formula | C15H24 |
| Assay | ≥99.0% (sum of enantiomers, GC) |
| Boiling point | 261-262 °C(lit.) |
| Density | 0.932 g/mL at 20 °C(lit.) |
| Refractive index | n20/D 1.498 |
| Optical activity | [α]20/D −88±1°, c = 10% in ethanol |


Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H400Very toxic to aquatic life
Precautionary statements
- P273Avoid release to the environment
- P305IF IN EYES
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 104 °C / 219.2 °F |
| Transport (UN / ADR) | UN 3082 9 / PGIII |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xi,N |
| Risk statements (R) | 36/38-50 |
| Safety statements (S) | 26-61 |
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 (–)-α-Cedrene used for?
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(–)-α-Cedrene is primarily used as a chiral building block in organic synthesis, in cell biology research, and for studies in asymmetric synthesis. It is also a key phytochemical found in certain plant extracts.
What are the CAS number and molecular formula for (–)-α-Cedrene?
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The CAS number for (–)-α-Cedrene is 469-61-4, and its molecular formula is C15H24.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (–)-α-Cedrene with an assay of ≥99.0% (sum of enantiomers, GC). We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade unless explicitly stated in the product specifications.
How should (–)-α-Cedrene be handled safely?
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Handle (–)-α-Cedrene with appropriate personal protective equipment, including eyeshields and gloves. Ensure adequate ventilation and use a suitable respirator filter (e.g., ABEK). It is classified as a Warning substance, causing skin (H315) and serious eye irritation (H319), and is very toxic to aquatic life (H400).
How is (–)-α-Cedrene packed and shipped?
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Tech Serve Solutions exports chemicals globally, ensuring appropriate packaging and adherence to transportation regulations. For (–)-α-Cedrene, shipments may be classified under UN 3082, Class 9, Packing Group III, for environmentally hazardous substances.
How can I request a sample or quote for (–)-α-Cedrene?
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To request a sample or a quotation for (–)-α-Cedrene, please contact our sales department through the website or by phone, providing your specific requirements and shipping details.
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