Description

8-Chloro-3,4-Dihydro-2H-1-Benzopyran-4-Ol is a high-purity chroman derivative, a key chiral building block and synthetic intermediate in advanced organic synthesis. Its value lies in its functionalized benzopyran core, which is integral to constructing complex molecular architectures with potential biological activity. This compound is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries, particularly for developing novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and cardiovascular diseases.
• Agrochemical Synthesis: Used as a building block for developing new generation pesticides and herbicides with enhanced efficacy and selectivity.
• Chiral Synthesis: Acts as a valuable chiral synthon for the asymmetric synthesis of enantiomerically pure compounds in medicinal chemistry.
• Fine Chemical Production: Employed in the manufacture of specialty chemicals, flavors, and fragrances requiring the chroman structural motif.
• Material Science Research: Investigated as a monomer or precursor for novel polymers and advanced organic materials with specific optical or electronic properties.
• Academic & R&D: A key reagent for methodological studies in organic chemistry and for exploring new synthetic pathways in university and corporate laboratories.

Basic Information

Product Name	8-Chloro-3,4-Dihydro-2H-1-Benzopyran-4-Ol
CAS No.	1176104-70-3
Molecular Formula	C9H9ClO2
Molecular Weight	184.62 g/mol
Synonyms	8-Chloro-3,4-dihydro-2H-chromen-4-ol; 8-Chloro-4-hydroxy-3,4-dihydro-2H-chromene; 8-Chloro-4-hydroxy-3,4-dihydro-2H-1-benzopyran; 4-Hydroxy-8-chloro-3,4-dihydro-2H-chromene; 8-Chloro-4-hydroxy-2H-chromane; 8-Chloro-4-chromanol; (4RS)-8-Chloro-3,4-dihydro-2H-1-benzopyran-4-ol
EINECS	Contact for details

Quality Control

Our 8-Chloro-3,4-Dihydro-2H-1-Benzopyran-4-Ol is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure it meets the highest standards of purity and consistency required for research and industrial synthesis. Certificates of Analysis (COA) detailing identity, purity, 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 (typically 15-25°C). Keep away from incompatible materials. For long-term storage, consider an inert atmosphere to maintain optimal stability.

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%
Heavy Metals	≤ 20 ppm

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