(4bS)-trans-8,8-Trimethyl-4b,5,6,7,8,8a,9,10-octahydro-1-isopropylphenanthren-2-ol
(4bS)-trans-8,8-Trimethyl-4b,5,6,7,8,8a,9,10-octahydro-1-isopropylphenanthren-2-ol (CAS: 511-15-9), a complex organic alcohol with the molecular formula C20H30O, is a valuable chiral building block. It is primarily utilised in asymmetric synthesis and general chemical synthesis. This compound is supplied by Tech Serve Solutions with a guaranteed purity of 98%, suitable for research and development purposes.
- IUPAC
- Totarol
- Synonyms
- Totarol6,7,8,8a,9,10-octahydro-1-isopropylphenanthren-2-ol

Asymmetric Synthesis
This chiral alcohol serves as a critical intermediate in the stereoselective synthesis of complex organic molecules. Its defined stereochemistry allows for the controlled construction of enantiomerically pure compounds.
Organic Synthesis
As a versatile organic building block, it can be employed in various synthetic strategies to introduce specific structural motifs. Its reactivity enables diverse chemical transformations.
Chiral Building Block
The inherent chirality of the molecule makes it an ideal starting material or intermediate for the synthesis of chiral targets in medicinal chemistry and materials science.
| Molecular weight | 286.45 |
|---|---|
| Empirical formula | C20H30O |
| Assay | 98% |
| Optical activity | [α]20/D +41°, c = 1 in chloroform |
| Melting point | 128-132 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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 (4bS)-trans-8,8-Trimethyl-4b,5,6,7,8,8a,9,10-octahydro-1-isopropylphenanthren-2-ol used for?
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This compound is primarily used as a chiral building block in asymmetric synthesis and general organic chemical synthesis.
What are the CAS number and chemical formula for this product?
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The CAS number is 511-15-9 and the empirical formula is C20H30O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this product with an assay of 98%. We do not represent this product as USP, BP, or EP grade.
What are the main hazards associated with this chemical?
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This compound is classified as a Warning, with hazards including skin irritation (H315), eye irritation (H319), and respiratory irritation (H335). Appropriate personal protective equipment, including a dust mask (N95), eyeshields, and gloves, should be used.
How is this chemical packed, shipped, and exported?
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Tech Serve Solutions, a global supplier and exporter since 1998, offers this chemical in various pack sizes suitable for export. Specific packaging and shipping details can be provided upon request.
How can I request a quote or a sample?
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To request a quote or a sample of (4bS)-trans-8,8-Trimethyl-4b,5,6,7,8,8a,9,10-octahydro-1-isopropylphenanthren-2-ol, please contact our sales team through the website or via direct inquiry.
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