Description

5-Methoxy-2,2,8,8-Tetramethyl-2H,8H-Benzo[1,2-B:5,4-B']Dipyran-10-Propanoic Acid Methyl Ester is a high-purity synthetic intermediate of significant interest in advanced organic synthesis. This compound, with CAS number 26574-30-1, is valued for its complex benzodipyran structure, which serves as a versatile building block for the development of novel chemical entities. It is primarily sought by research institutions and pharmaceutical companies engaged in the discovery and development of new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly in therapeutic areas requiring complex heterocyclic frameworks.
• Organic Synthesis Building Block: Used in advanced organic chemistry research for constructing complex polycyclic structures and natural product analogs.
• Material Science Research: Investigated as a monomer or precursor for developing specialty polymers and organic electronic materials with specific optical properties.
• Agrochemical Development: Potential intermediate for creating new active ingredients in crop protection and plant growth regulation.
• Flavor & Fragrance Chemistry: Serves as a starting material for synthesizing complex aroma chemicals and fragrance components.
• Academic & Industrial R&D: Essential tool for methodological studies in synthetic chemistry and catalysis.

Basic Information

Product Name	5-Methoxy-2,2,8,8-Tetramethyl-2H,8H-Benzo[1,2-B:5,4-B']Dipyran-10-Propanoic Acid Methyl Ester
CAS No.	26574-30-1
Molecular Formula	C21H26O5
Molecular Weight	358.43 g/mol
Synonyms	Methyl 5-Methoxy-2,2,8,8-tetramethyl-2H,8H-benzo[1,2-b:5,4-b']dipyran-10-propanoate; 2H,8H-Benzo[1,2-b:5,4-b']dipyran-10-propanoic acid, 5-methoxy-2,2,8,8-tetramethyl-, methyl ester; Methyl 3-(5-methoxy-2,2,8,8-tetramethyl-2H,8H-benzo[1,2-b:5,4-b']dipyran-10-yl)propanoate; 26574-30-1; 5-Methoxy-2,2,8,8-tetramethyl-2H,8H-benzo[1,2-b:5,4-b']dipyran-10-propanoic acid methyl ester
EINECS	Contact for details

Quality Control

Our 5-Methoxy-2,2,8,8-Tetramethyl-2H,8H-Benzo[1,2-B:5,4-B']Dipyran-10-Propanoic Acid Methyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for research and development applications. 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, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from incompatible materials such as strong oxidizing agents. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 97.0%
Related Substances (HPLC)	Total impurities ≤ 3.0% Any single impurity ≤ 1.0%
Loss on Drying	≤ 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.