Description

2H-1-Benzopyran-5-Carboxaldehyde (9Ci) is a specialized organic compound belonging to the benzopyran class, serving as a key aldehyde-functionalized building block. This chemical is valued for its role as a versatile synthetic intermediate in the development of complex molecular architectures. It is primarily sought by research chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors for constructing heterocyclic compounds and active pharmaceutical ingredients (APIs).

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of novel drug candidates, particularly those with benzopyran or chromene-based scaffolds for therapeutic applications.
• Agrochemical Research: Used in the development and optimization of new pesticides and herbicides, leveraging its reactive aldehyde group for structural diversification.
• Organic Synthesis Building Block: Employed in academic and industrial R&D for constructing complex heterocycles, natural product analogs, and functional materials via condensation, cyclization, and cross-coupling reactions.
• Material Science Precursor: Potential use in the synthesis of organic ligands, dyes, or photoactive compounds for advanced material applications.
• Chemical Biology Probe Development: Serves as a starting material for creating labeled compounds or molecular probes used in biochemical and pharmacological studies.

Basic Information

Product Name	2H-1-Benzopyran-5-Carboxaldehyde (9Ci)
CAS No.	344753-32-8
Molecular Formula	C10H8O2
Molecular Weight	160.17 g/mol
Synonyms	5-Formyl-2H-chromene; 2H-Chromene-5-carboxaldehyde; 5-Chromenecarboxaldehyde; 2H-1-Benzopyran-5-carbaldehyde; Chromene-5-carbaldehyde; 5-Aldehydechromene; 344753-32-8; 5-Formyl-2H-1-benzopyran
EINECS	Contact for details

Quality Control

Our 2H-1-Benzopyran-5-Carboxaldehyde is produced and handled 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 place at a controlled room temperature (15-25°C). Due to its sensitivity to oxidation, it is recommended to handle and store the material under an inert atmosphere for long-term stability. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
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.