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3-Ethyltetrahydro-4H-Pyran-4-One CAS NO 21398-42-5
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CAS No.:21398-42-5
Grade:Pharmacy Grade
Content:99.9%
Brand:Customizable
Packaging:Customizable
Description
3-Ethyltetrahydro-4H-Pyran-4-One is a versatile cyclic ketone derivative, valued for its unique structural motif that serves as a key building block in complex organic synthesis. Its primary commercial significance lies in its role as a crucial intermediate for the production of pharmaceuticals, agrochemicals, and advanced fragrance compounds. This product is essential for R&D chemists and process engineers in the fine chemical, pharmaceutical, and flavor & fragrance industries seeking to develop novel molecules with specific functional properties.
Application
- Pharmaceutical Intermediate: A key synthon in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds containing tetrahydropyran or lactone rings.
- Agrochemical Synthesis: Used in the manufacture of herbicides, fungicides, and insecticides, where its cyclic structure contributes to biological activity.
- Flavor and Fragrance Ingredient: Serves as a precursor for creating musky, sweet, or fruity odorants and flavoring agents due to its ketone functionality.
- Organic Synthesis Building Block: Employed in academic and industrial research for constructing complex heterocyclic compounds, natural product analogs, and novel materials.
- Polymer Chemistry: Can be utilized as a monomer or cross-linking agent in the development of specialty polymers with tailored properties.
- Chemical Research & Development: A valuable reagent for method development and exploring new chemical reactions in process chemistry.
Basic Information
| Product Name | 3-Ethyltetrahydro-4H-Pyran-4-One |
| CAS No. | 21398-42-5 |
| Molecular Formula | C7H12O2 |
| Molecular Weight | 128.17 g/mol |
| Synonyms | 3-Ethyl-4H-pyran-4-one, tetrahydro-; 3-Ethyltetrahydropyran-4-one; 4H-Pyran-4-one, 3-ethyltetrahydro-; 3-Ethyl-4-oxotetrahydropyran; 4-Oxo-3-ethyltetrahydropyran; 3-Ethyl-4-pyrone, tetrahydro-; 3-Ethyl-4-oxooxane |
| EINECS | Contact for details |
Quality Control
Our 3-Ethyltetrahydro-4H-Pyran-4-One is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including GC/HPLC for purity and identity confirmation via FT-IR and NMR, to ensure it meets exacting standards for research and industrial use. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and consistency.
Storage
Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong bases and incompatible materials such as strong oxidizing agents. For long-term storage, consider under an inert atmosphere to maintain optimal purity.
Specification
| Item | Specification |
|---|---|
| Appearance | Colorless to pale yellow liquid |
| Identification (IR) | Conforms to structure |
| Assay (GC) | ≥ 97.0% |
| Water Content (KF) | ≤ 0.5% |
| Residue on Ignition | ≤ 0.1% |
Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.
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Each batch undergoes strict QC, accompanied by COA, MSDS, and full compliance with international standards.
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Our in-house lab drives process innovation, new product development, and tailored synthesis solutions.





