Description

1H-2-Benzopyran-1-One,3,4-Dihydro-7-Hydroxy-(9Ci) is a high-purity organic compound belonging to the dihydrocoumarin class, valued for its role as a versatile synthetic intermediate and building block in advanced chemical synthesis. Its specific hydroxylated structure makes it a critical precursor for developing complex molecules in research and industrial applications. This compound is essential for pharmaceutical R&D, agrochemical formulation, and the synthesis of fine chemicals and functional materials.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of active pharmaceutical ingredients (APIs) and complex heterocyclic compounds.
• Agrochemical Synthesis: Used in the research and development of novel pesticides, herbicides, and plant growth regulators.
• Fine Chemical Production: Serves as a precursor for flavors, fragrances, and specialty dyes.
• Material Science Research: Employed in the development of organic electronic materials, polymers, and advanced coatings.
• Academic & Industrial R&D: A valuable reagent for methodological studies in organic chemistry and catalysis.

Basic Information

Item	Details
Product Name	1H-2-Benzopyran-1-One,3,4-Dihydro-7-Hydroxy-(9Ci)
CAS No.	55104-41-1
Molecular Formula	C9H8O3
Molecular Weight	164.16 g/mol
Synonyms	7-Hydroxy-3,4-dihydro-1H-2-benzopyran-1-one; 7-Hydroxy-3,4-dihydroisocoumarin; 7-Hydroxyisochroman-1-one; 7-Hydroxy-3,4-dihydro-2H-1-benzopyran-1-one; Dihydro-7-hydroxy-1H-2-benzopyran-1-one; 7-Hydroxydihydroisocoumarin
EINECS	Contact for details

Quality Control

Our 1H-2-Benzopyran-1-One,3,4-Dihydro-7-Hydroxy-(9Ci) is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are provided and available upon request to support your quality assurance protocols.

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 strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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