Description

2H-1-Benzopyran-7-Carboxylic Acid, 3,4-Dihydro-4-Oxo-, Methyl Ester is a high-purity organic chemical building block and a key intermediate in advanced synthesis. Its value lies in its defined heterocyclic structure, which is crucial for constructing complex molecules in pharmaceutical and agrochemical research. This compound is primarily needed by R&D chemists and process development scientists in the fine chemical, pharmaceutical, and agrochemical industries for the development of new active ingredients.

Application

• Pharmaceutical Intermediate: A critical building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those with chromone or coumarin-based structures.
• Agrochemical Research: Used in the development and production of advanced pesticides and herbicides, where its core scaffold contributes to biological activity.
• Fine Chemical Synthesis: Serves as a versatile precursor for creating complex organic molecules in custom synthesis and contract manufacturing.
• Material Science Research: Investigated as a monomer or precursor for specialty polymers and advanced organic materials with specific optical or electronic properties.
• Academic & Industrial R&D: Employed in chemical research laboratories for methodological studies and the discovery of new synthetic pathways.

Basic Information

Product Name	2H-1-Benzopyran-7-Carboxylic Acid, 3,4-Dihydro-4-Oxo-, Methyl Ester
CAS No.	41118-21-2
Molecular Formula	C11H10O4
Molecular Weight	206.19 g/mol
Synonyms	7-Methoxycarbonyl-4-chromone; Methyl 4-oxo-4H-chromene-7-carboxylate; Methyl 4-oxochromene-7-carboxylate; 4-Oxo-4H-chromene-7-carboxylic acid methyl ester; 7-Carbomethoxy-4-chromone; 4H-1-Benzopyran-7-carboxylic acid, 3,4-dihydro-4-oxo-, methyl ester; Chromone-7-carboxylic acid methyl ester
EINECS	Contact for details

Quality Control

Our 2H-1-Benzopyran-7-Carboxylic Acid, 3,4-Dihydro-4-Oxo-, Methyl Ester is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing to ensure identity, purity, and consistency, meeting the stringent requirements of our global B2B clients in research and production. Certificates of Analysis (COA) detailing purity, assay, and impurity profiles are available upon request to support your quality assurance and regulatory compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (typically 15-25°C). Keep away from strong alkalis and incompatible organic solvents. For long-term storage, consider inert atmosphere conditions to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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