Description

2,3-Dihydro-8-Hydroxy-4H-1-Benzopyran-4-One is a high-purity organic compound belonging to the chromanone class, serving as a versatile chemical intermediate. Its value lies in its functional hydroxyl and carbonyl groups, which make it a key building block for synthesizing more complex molecules. This product is essential for research and development laboratories, pharmaceutical manufacturers, and fine chemical producers seeking reliable, high-quality intermediates for advanced synthesis.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates, particularly those with chroman or benzopyran scaffolds.
• Organic Synthesis Building Block: Used in research and development for constructing complex heterocyclic compounds, natural product analogs, and specialty chemicals.
• Agrochemical Research: Serves as a starting material for developing novel crop protection agents and plant growth regulators.
• Material Science: Investigated for the development of advanced organic materials, including polymers and liquid crystals.
• Flavor and Fragrance Industry: Potential intermediate for synthesizing aroma chemicals and flavoring agents.
• Academic and Contract Research: A valuable reagent for chemical research in universities and contract research organizations (CROs).

Basic Information

Product Name	2,3-Dihydro-8-Hydroxy-4H-1-Benzopyran-4-One
CAS No.	1843-90-9
Molecular Formula	C9H8O3
Molecular Weight	164.16 g/mol
Synonyms	8-Hydroxy-2,3-dihydro-4H-1-benzopyran-4-one; 8-Hydroxychroman-4-one; 8-Hydroxy-4-chromanone; 8-Hydroxy-3,4-dihydro-2H-1-benzopyran-4-one; 8-Hydroxy-2,3-dihydrochromen-4-one; 8-Hydroxy-4-chromone; 8-Hydroxycoumaran-4-one
EINECS	217-423-8

Quality Control

Our 2,3-Dihydro-8-Hydroxy-4H-1-Benzopyran-4-One is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, IR and NMR for structural confirmation, and residual solvent analysis. We provide full traceability and detailed Certificates of Analysis (COA) to ensure compliance with your research and production specifications.

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 incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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