Description

6-Chloro-3-Methyl-4-Oxo-4H-Chromene-2-Carboxylic Acid is a high-purity chromene derivative serving as a critical synthetic intermediate in advanced organic chemistry. Its value lies in its functionalized chromene scaffold, which is essential for constructing complex molecules with targeted biological and material properties. This compound is primarily needed by research and development teams in the pharmaceutical, agrochemical, and specialty chemical industries for developing new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly in therapeutic areas requiring chromene or coumarin-based pharmacophores.
• Agrochemical Research: Used in developing new generation pesticides and herbicides, leveraging its heterocyclic structure for bioactivity.
• Organic Synthesis: Serves as a versatile precursor for synthesizing more complex heterocyclic compounds, dyes, and functional organic materials.
• Material Science: Potential intermediate in the development of organic semiconductors, fluorescent markers, or photoresponsive polymers.
• Academic & Contract Research: Essential reagent for methodological studies and discovery chemistry in university and CRO laboratories.

Basic Information

Product Name	6-Chloro-3-Methyl-4-Oxo-4H-Chromene-2-Carboxylic Acid
CAS No.	1239779-74-8
Molecular Formula	C12H9ClO4
Molecular Weight	252.65 g/mol
Synonyms	6-Chloro-3-methyl-4-oxo-4H-chromene-2-carboxylic acid; 6-Chloro-3-methyl-2-carboxy-4H-chromen-4-one; 2-Carboxy-6-chloro-3-methyl-4-chromone; 6-Chloro-3-methyl-4-oxo-4H-1-benzopyran-2-carboxylic acid; Chromene-2-carboxylic acid, 6-chloro-3-methyl-4-oxo-4H-; 1239779-74-8; 6-Chloro-3-methylchromone-2-carboxylic acid
EINECS	Contact for details

Quality Control

Our 6-Chloro-3-Methyl-4-Oxo-4H-Chromene-2-Carboxylic Acid is manufactured under strict quality management systems. 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 applications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment and is available upon request.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm

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