Description

3-Methyl-1-Oxo-3,4-Dihydro-1H-Isochromene-3-Carboxylic Acid is a specialized organic compound belonging to the isochromene class, serving as a key synthetic intermediate for advanced chemical synthesis. Its value lies in its unique fused-ring structure, which provides a versatile scaffold for constructing complex molecules in pharmaceutical and agrochemical research. This product is essential for R&D chemists and process development scientists working in medicinal chemistry, particularly in the development of novel active pharmaceutical ingredients (APIs) and fine chemicals.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of potential drug candidates, especially for central nervous system (CNS) and anti-inflammatory targets.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides due to its bioactive heterocyclic core.
• Organic Synthesis Reagent: Serves as a versatile precursor for constructing complex polycyclic frameworks and fused-ring systems in academic and industrial laboratories.
• Material Science: Investigated as a monomer or additive for creating novel polymers with specific optical or electronic properties.
• Chemical Reference Standard: Supplied as a high-purity standard for analytical method development, quality control, and regulatory submissions.

Basic Information

Product Name	3-Methyl-1-Oxo-3,4-Dihydro-1H-Isochromene-3-Carboxylic Acid
CAS No.	633282-39-0
Molecular Formula	C12H10O4
Molecular Weight	218.21 g/mol
Synonyms	3-Methyl-1-oxo-3,4-dihydro-1H-isochromene-3-carboxylic acid; 3-Carboxy-3-methyl-3,4-dihydro-1H-isochromen-1-one; 3-Methyl-1-oxo-3,4-dihydroisochromene-3-carboxylic acid; 3,4-Dihydro-3-methyl-1-oxo-1H-isochromene-3-carboxylic acid; 3-Methyl-3,4-dihydro-1H-isochromene-1,3-dicarboxylic acid 1-ethyl ester (related ester); Isochromene-3-carboxylic acid derivative; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our 3-Methyl-1-Oxo-3,4-Dihydro-1H-Isochromene-3-Carboxylic Acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the high standards required for research and development. Certificates of Analysis (COA) documenting batch-specific results are available upon request to support your quality assurance and regulatory needs.

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 heat sources and incompatible materials. The product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.