Description

2H-1-Benzopyran, 7,8-Difluoro-3,4-Dihydro- is a high-purity fluorinated benzopyran derivative, serving as a critical advanced intermediate in modern synthetic chemistry. Its value lies in its unique molecular scaffold, which is essential for constructing complex molecules with specific biological or material properties. This compound is primarily needed by research institutions and pharmaceutical companies engaged in the development of novel active pharmaceutical ingredients (APIs) and agrochemicals.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of fluorinated drug candidates, particularly in central nervous system (CNS) and cardiovascular research.
• Agrochemical Research: Used in the development of new-generation herbicides and pesticides, where the fluorine atoms enhance biological activity and environmental stability.
• Material Science Precursor: Serves as a monomer or precursor for specialty polymers and advanced organic electronic materials.
• Chemical Biology Probe: Utilized in medicinal chemistry for structure-activity relationship (SAR) studies and as a fluorescent or bioactive probe scaffold.
• Academic & Contract Research: Employed in university and CRO laboratories for methodological development and novel synthetic route exploration.

Basic Information

Product Name	2H-1-Benzopyran, 7,8-Difluoro-3,4-Dihydro-
CAS No.	1029476-87-6
Molecular Formula	C9H6F2O
Molecular Weight	168.14 g/mol
Synonyms	7,8-Difluoro-3,4-dihydro-2H-1-benzopyran; 7,8-Difluoro-3,4-dihydro-2H-chromene; 7,8-Difluorochroman; 2H-Chromene, 7,8-difluoro-3,4-dihydro-; 1029476-87-6; Chroman, 7,8-difluoro-; 7,8-Difluoro-3,4-dihydro-2H-chromene
EINECS	Contact for details

Quality Control

Every batch of 2H-1-Benzopyran, 7,8-Difluoro-3,4-Dihydro- is manufactured under strict quality management systems. Our products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request to support your regulatory and R&D documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat sources and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white solid
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	≤ 10 ppm

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