Description

(8E)-8-Ethylidene-7,8-Dihydro-4-Methoxy-2H,5H-Pyrano[4,3-B]Pyran-2,5-Dione is a specialized heterocyclic organic compound featuring a fused pyranopyran dione structure, making it a valuable synthetic intermediate and building block for advanced chemical synthesis. Its unique molecular architecture provides a versatile scaffold for developing novel compounds in research and industrial applications. This high-purity chemical is essential for pharmaceutical R&D, agrochemical development, and advanced material science, where precise molecular control is critical.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of complex drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Research: Used in the development of novel herbicides, fungicides, and plant growth regulators.
• Organic Synthesis Building Block: Provides a versatile core structure for constructing complex heterocyclic compounds in academic and industrial laboratories.
• Material Science: Investigated for the development of organic electronic materials and specialty polymers.
• Chemical Biology Probe: Utilized in research to study enzyme interactions and biological pathways.
• Flavor & Fragrance Chemistry: Acts as an intermediate for synthesizing complex aroma chemicals.

Basic Information

Product Name	(8E)-8-Ethylidene-7,8-Dihydro-4-Methoxy-2H,5H-Pyrano[4,3-B]Pyran-2,5-Dione
CAS No.	56775-57-6
Molecular Formula	C₁₁H₁₀O₅
Molecular Weight	222.19 g/mol
Synonyms	8-Ethylidene-7,8-dihydro-4-methoxy-2H,5H-pyrano[4,3-b]pyran-2,5-dione; (8E)-8-Ethylidene-7,8-dihydro-4-methoxy-2H,5H-pyrano[4,3-b]pyran-2,5-dione; 4-Methoxy-8-ethylidene-7,8-dihydro-2H,5H-pyrano[4,3-b]pyran-2,5-dione; Pyrano[4,3-b]pyran-2,5-dione, 8-ethylidene-7,8-dihydro-4-methoxy-; Fused pyranopyrandione derivative
EINECS	Contact for details

Quality Control

Our (8E)-8-Ethylidene-7,8-Dihydro-4-Methoxy-2H,5H-Pyrano[4,3-B]Pyran-2,5-Dione is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC for purity, NMR and IR for structural confirmation, and residual solvent analysis. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider storing under an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 0.5%
Residual Solvents (GC)	Meets ICH guidelines

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.