Description

3,4-Dihydro-8-Hydroxy-3-Methyl-1-Oxo-1H-2-Benzopyran-7-Carboxylic Acid Methyl Ester is a high-purity, synthetically derived organic compound belonging to the coumarin derivative family. This specialized intermediate is valued for its precise molecular structure, which serves as a critical building block in advanced chemical synthesis. It is primarily sought after by research institutions and pharmaceutical development companies engaged in the creation of novel active pharmaceutical ingredients (APIs) and fine chemicals.

Application

• Pharmaceutical Intermediate: A key synthetic precursor in the research and development of new therapeutic agents, particularly those with coumarin-based scaffolds.
• Organic Synthesis Building Block: Used in multi-step synthesis for constructing complex heterocyclic compounds in academic and industrial R&D settings.
• Chemical Research Standard: Serves as a high-purity reference standard or starting material for method development and analytical studies.
• Fine Chemical Production: Employed in the controlled synthesis of specialty chemicals requiring specific coumarin motifs for functional properties.

Basic Information

Product Name	3,4-Dihydro-8-Hydroxy-3-Methyl-1-Oxo-1H-2-Benzopyran-7-Carboxylic Acid Methyl Ester
CAS No.	83769-04-4
Molecular Formula	C12H12O5
Molecular Weight	236.22 g/mol
Synonyms	Methyl 8-Hydroxy-3-methyl-1-oxo-1H-isochromene-7-carboxylate; 8-Hydroxy-3-methyl-1-oxo-1H-2-benzopyran-7-carboxylic Acid Methyl Ester; 7-Methoxycarbonyl-8-hydroxy-3-methylisocoumarin; 3-Methyl-8-hydroxyisocoumarin-7-carboxylic Acid Methyl Ester; 83769-04-4; Methyl 3,4-dihydro-8-hydroxy-3-methyl-1-oxo-1H-2-benzopyran-7-carboxylate
EINECS	Contact for details

Quality Control

Our 3,4-Dihydro-8-Hydroxy-3-Methyl-1-Oxo-1H-2-Benzopyran-7-Carboxylic Acid Methyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets the high standards required for research and synthesis. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
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.