Description

3,4-Dihydro-1H-2-Benzopyran-6-Carboxylic Acid is a high-purity organic intermediate of significant interest in advanced chemical synthesis. This compound serves as a crucial building block for the development of novel pharmaceutical agents and fine chemicals. It is primarily sought by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and material science sectors for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of new active pharmaceutical ingredients (APIs), particularly for central nervous system (CNS) and cardiovascular targets.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators requiring a benzopyran core structure.
• Organic Light-Emitting Diode (OLED) Materials: Serves as a precursor for electron-transport or host materials in the manufacture of display and lighting technologies.
• Ligand and Catalyst Development: Employed in the synthesis of novel chiral ligands and organocatalysts for asymmetric synthesis.
• Fine Chemical Production: Acts as a versatile starting material for the synthesis of dyes, fragrances, and other specialty chemicals.
• Academic and R&D: Utilized in university and corporate research laboratories for methodological studies and the exploration of new chemical entities.

Basic Information

Product Name	3,4-Dihydro-1H-2-Benzopyran-6-Carboxylic Acid
CAS No.	933726-72-8
Molecular Formula	C10H10O3
Molecular Weight	178.18 g/mol
Synonyms	6-Carboxy-3,4-dihydro-1H-2-benzopyran; 3,4-Dihydro-2H-1-benzopyran-6-carboxylic acid; 6-Carboxychroman; Chroman-6-carboxylic acid; 1,2,3,4-Tetrahydro-6-carboxy-2-benzopyran; Isochroman-6-carboxylic acid (related structure); Contact for additional trade names and aliases.
EINECS	Contact for details

Quality Control

Our 3,4-Dihydro-1H-2-Benzopyran-6-Carboxylic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for research and industrial synthesis. Certificates of Analysis (COA) detailing purity, assay, and impurity profiles are available for every shipment upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong acids and incompatible materials. 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%
Purity (HPLC, Area %)	≥ 99.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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