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4,7-Dimethyl-2H,5H-Pyrano[4,3-B]Pyran-2,5-Dione CAS NO 1204-38-2
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CAS No.:1204-38-2
Grade:Pharmacy Grade
Content:99.0%
Brand:Customizable
Packaging:Customizable
Description
4,7-Dimethyl-2H,5H-Pyrano[4,3-B]Pyran-2,5-Dione is a specialized heterocyclic organic compound with the CAS number 1204-38-2, serving as a versatile building block in advanced chemical synthesis. Its unique fused pyran-dione structure makes it a valuable intermediate for creating complex molecules with specific functional properties. This compound is primarily sought by research institutions and industrial R&D departments focused on pharmaceuticals, agrochemicals, and material science.
Application
- Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for compounds with fused heterocyclic frameworks.
- Agrochemical Research: Used in the development of new herbicides, fungicides, and plant growth regulators, leveraging its reactive diketone moiety.
- Organic Synthesis Building Block: A crucial starting material for constructing complex natural product analogs and other sophisticated organic molecules in academic and industrial laboratories.
- Material Science & Polymer Chemistry: Investigated as a monomer or cross-linking agent for creating polymers with specific thermal or optical properties.
- Dye & Pigment Intermediate: Employed in the synthesis of specialized dyes and organic pigments due to its conjugated system.
- Flavor & Fragrance Chemistry: Acts as an intermediate for synthesizing certain aroma chemicals with lactone or pyran-type structures.
Basic Information
| Product Name | 4,7-Dimethyl-2H,5H-Pyrano[4,3-B]Pyran-2,5-Dione |
| CAS No. | 1204-38-2 |
| Molecular Formula | C10H8O4 |
| Molecular Weight | 192.17 g/mol |
| Synonyms | 4,7-Dimethyl-2H,5H-pyrano[4,3-b]pyran-2,5-dione; 4,7-Dimethyl-2H,5H-pyrano[4,3-b]pyran-2,5-dione; 2H,5H-Pyrano[4,3-b]pyran-2,5-dione, 4,7-dimethyl-; 4,7-Dimethyl-2H,5H-pyrano[4,3-b]pyran-2,5-dione; 4,7-Dimethylpyrano[4,3-b]pyran-2,5-dione |
| EINECS | Contact for details |
Quality Control
Our 4,7-Dimethyl-2H,5H-Pyrano[4,3-B]Pyran-2,5-Dione is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with key parameters including assay, impurity profile, and physical characteristics. Our quality commitment aligns with cGMP principles for research and industrial use, ensuring reliable performance in your critical synthetic applications.
Storage
Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from incompatible materials such as strong bases and reducing agents. For long-term storage, consider an inert atmosphere to preserve stability.
Specification
| Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Identification (IR) | Conforms to structure |
| Assay (HPLC) | ≥ 97.0% |
| Melting Point | Contact for details |
| Loss on Drying | ≤ 0.5% |
| Residue on Ignition | ≤ 0.1% |
| Heavy Metals | ≤ 20 ppm |
Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.
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Rigorous Quality Assurance
Each batch undergoes strict QC, accompanied by COA, MSDS, and full compliance with international standards.
Advanced R&D Expertise
Our in-house lab drives process innovation, new product development, and tailored synthesis solutions.





