3-Methoxy-2-cyclopenten-1-one
3-Methoxy-2-cyclopenten-1-one (CAS: 4683-50-5; Formula: C6H8O2; Molar Mass: 112.13 g/mol) is a valuable organic building block. This cyclopentenone derivative serves as a key starting material in complex organic synthesis, notably in the preparation of biologically active molecules. Its chemical structure makes it a versatile intermediate for constructing various carbon frameworks, particularly in the development of novel chemical entities.

Synthesis of Cyclopentanoid Antibiotics
This compound is a documented starting material for synthesising the cyclopentanoid antibiotic (+)-kjellmanianone. This highlights its utility in pharmaceutical research and development.
Organic Synthesis Intermediate
As a functionalised cyclic ketone, 3-Methoxy-2-cyclopenten-1-one is employed as a versatile intermediate in multi-step organic syntheses. It is useful for introducing specific structural motifs into larger molecules.
Research and Development
Utilised in academic and industrial research settings, this chemical enables the exploration of new synthetic pathways and the creation of novel compounds with potential applications in various fields.
| Molecular weight | 112.13 |
|---|---|
| Linear formula | CH3OC5H5(=O) |
| Assay | 99% |
| Application | Starting material for the synthesis of the cyclopentanoid antibiotic (+)-kjellmanianone.1 |
| Melting point | 49-53 °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 3-Methoxy-2-cyclopenten-1-one used for?
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3-Methoxy-2-cyclopenten-1-one is primarily used as a starting material for the synthesis of (+)-kjellmanianone and as a general intermediate in organic synthesis and chemical research.
What are the CAS number and molecular formula for 3-Methoxy-2-cyclopenten-1-one?
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The CAS number is 4683-50-5, and the molecular formula is C6H8O2 (or CH3OC5H5(=O)).
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Methoxy-2-cyclopenten-1-one with a minimum assay of 99%. TSS does not represent this product as USP, BP, EP or other pharmacopoeial grades.
How should 3-Methoxy-2-cyclopenten-1-one be handled?
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Handle with appropriate personal protective equipment including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. The substance has a WGK Germany rating of 3.
Is 3-Methoxy-2-cyclopenten-1-one a controlled substance?
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Based on the provided data, there is no indication that 3-Methoxy-2-cyclopenten-1-one is a controlled substance.
How is this product shipped and exported?
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Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 3-Methoxy-2-cyclopenten-1-one, adhering to international shipping regulations.
How can I request a quote or sample?
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To request a quote or a sample of 3-Methoxy-2-cyclopenten-1-one, please contact our sales department via the website or phone number provided.
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