Description

2H-Chromene-3-Carboxylic Acid is a versatile heterocyclic organic compound that serves as a critical synthetic intermediate in advanced chemical manufacturing. Its unique chromene core structure makes it a valuable building block for the development of novel compounds with specific biological and material properties. This high-purity intermediate is essential for research and production in the pharmaceutical, agrochemical, and fine chemical sectors, where precise molecular architecture is required.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds with potential therapeutic activities.
• Agrochemical Synthesis: Used in the development of new generation pesticides and herbicides, leveraging its heterocyclic framework.
• Fine Chemical Building Block: Employed in organic synthesis for creating complex molecules used in dyes, pigments, and functional materials.
• Research & Development: Serves as a standard and starting material in academic and industrial R&D for medicinal chemistry and material science projects.
• Ligand and Catalyst Development: Utilized in the preparation of specialized ligands for metal complexes and catalytic systems.

Basic Information

Product Name	2H-Chromene-3-Carboxylic Acid
CAS No.	22649-28-1
Molecular Formula	C10H8O3
Molecular Weight	176.17 g/mol
Synonyms	3-Carboxy-2H-chromene; 2H-1-Benzopyran-3-carboxylic acid; Chromene-3-carboxylic acid; 3-Chromenecarboxylic acid; 2H-Chromene-3-carboxylic acid; Coumarin-3-carboxylic acid (related); 2-Oxo-2H-chromene-3-carboxylic acid (tautomer); 3-Carboxycoumarin
EINECS	Contact for details

Quality Control

Our 2H-Chromene-3-Carboxylic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets the high standards required for synthetic applications. Certificates of Analysis (COA) with detailed batch-specific results are provided to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Keep away from strong acids and incompatible organic solvents. The compound is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	White to off-white crystalline 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.