(±)-8a-Methyl-3,4,8,8a-tetrahydro-1,6(2H,7H)-naphthalenedione
(±)-8a-Methyl-3,4,8,8a-tetrahydro-1,6(2H,7H)-naphthalenedione (CAS 20007-72-1), with the molecular formula C11H14O2 and a molecular weight of 178.23 g/mol, is a diketone building block. This compound is recognised in organic synthesis for its potential as an intermediate in the preparation of complex molecules. It is typically supplied by Tech Serve Solutions with an assay of 98% and requires storage at 2-8°C to maintain its integrity.
- IUPAC
- (±)-9-Methyl-5(10)-octaline-1,6-dione,Miescher-Wieland ketone,Wieland-Miescher ketone
- Synonyms
- 8a-tetrahydro-1,6(2H,7H)-naphthalenedioneMiescher-Wieland ketoneWieland-Miescher ketone

Organic Synthesis Intermediate
Serves as a key building block in multi-step organic synthesis pathways, enabling the construction of intricate molecular architectures.
Research Chemical
Utilised in academic and industrial research laboratories for exploring new synthetic methodologies and developing novel compounds.
Steroid Synthesis Precursor
The structural features of this naphthalenedione derivative make it a valuable precursor in the synthesis of steroid-like compounds.
| Molecular weight | 178.23 |
|---|---|
| Empirical formula | C11H14O2 |
| Assay | 98% |
| Storage temperature | 2-8°C |
| Melting point | 47-50 °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 (±)-8a-Methyl-3,4,8,8a-tetrahydro-1,6(2H,7H)-naphthalenedione used for?
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This compound is primarily used as a building block and intermediate in organic synthesis, particularly in research settings for constructing complex molecules and potentially in steroid synthesis.
What are the CAS number and formula for this chemical?
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The CAS number is 20007-72-1 and the empirical formula is C11H14O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical with a minimum assay of 98%. It is considered a technical or research grade material, and TSS does not represent it as USP, BP, or EP grade.
What are the safety and handling requirements for this chemical?
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This compound requires appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. It carries a WGK Germany classification of 3, indicating a high hazard level.
How is this chemical typically packed and exported by TSS?
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Tech Serve Solutions, as a global supplier and exporter, ensures appropriate packaging for safe transport and export, adhering to international shipping regulations for chemicals.
How can I request a sample or quote for this product?
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To request a sample or a quotation, please use the contact form on the Tech Serve Solutions website or reach out to our sales department directly.
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