Description

5,7-Dichloro-3,4-Dihydro-2H-1-Benzopyran-4-Ol is a high-purity, functionalized benzopyran derivative serving as a critical synthetic intermediate. Its value lies in its unique halogenated chroman structure, which provides a versatile scaffold for constructing more complex molecules in advanced research and development. This compound is essential for pharmaceutical chemists and agrochemical researchers focused on developing novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of potential drug candidates, particularly for central nervous system (CNS) and cardiovascular targets.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and plant growth regulators due to its bioactive chroman core.
• Organic Synthesis: Serves as a versatile precursor for creating complex heterocyclic compounds and fine chemicals in laboratory settings.
• Material Science: Investigated as a monomer or additive for specialty polymers and advanced organic materials.
• Biochemical Tool Compound: Utilized in research to study enzyme inhibition and other biological pathways.

Basic Information

Product Name	5,7-Dichloro-3,4-Dihydro-2H-1-Benzopyran-4-Ol
CAS No.	1461707-28-7
Molecular Formula	C9H8Cl2O2
Molecular Weight	219.06 g/mol
Synonyms	5,7-Dichloro-4-hydroxy-3,4-dihydro-2H-chromene; 5,7-Dichloro-4-hydroxy-3,4-dihydro-2H-1-benzopyran; 4-Hydroxy-5,7-dichloro-3,4-dihydro-2H-chromene; 5,7-Dichlorochroman-4-ol; 4-Chroman-4-ol, 5,7-dichloro-; 5,7-Dichloro-3,4-dihydro-2H-1-benzopyran-4-ol; 5,7-Dichloro-4-hydroxy-2H-chromene
EINECS	Contact for details

Quality Control

Our 5,7-Dichloro-3,4-Dihydro-2H-1-Benzopyran-4-Ol is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. This material is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
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.