Description

4-Chloro-2H-Benzo[H]Chromene-3-Carbaldehyde is a specialized organic compound belonging to the chromene class, characterized by its chloro-substituted benzochromene core and reactive aldehyde functional group. This unique molecular architecture makes it a valuable and versatile chemical intermediate for advanced synthesis in research and industrial chemistry. It is primarily sought after by pharmaceutical R&D and fine chemical sectors for constructing complex heterocyclic molecules.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly those with chromene or benzopyran scaffolds which exhibit a range of biological activities.
• Organic Synthesis Research: Serves as a versatile precursor for synthesizing more complex heterocyclic compounds, dyes, and functional materials in academic and industrial laboratories.
• Agrochemical Development: Used in the research and development of new active ingredients for crop protection products, leveraging its heterocyclic structure.
• Material Science: Potential intermediate for the creation of organic semiconductors, fluorescent dyes, or photochromic materials due to its conjugated chromene system.
• Chemical Reference Standard: Supplied as a high-purity standard for analytical testing, method development, and quality control in chemical manufacturing.

Basic Information

Product Name	4-Chloro-2H-Benzo[H]Chromene-3-Carbaldehyde
CAS No.	109179-59-1
Molecular Formula	C₁₄H₉ClO₂
Molecular Weight	244.67 g/mol
Synonyms	4-Chloro-2H-benzo[h]chromene-3-carboxaldehyde; 4-Chloro-2H-benzo[h]chromene-3-carbaldehyde; 4-Chloro-2H-1-benzopyran-3-carbaldehyde, Benzo[h] derivative; 3-Formyl-4-chloro-2H-benzo[h]chromene; 4-Chloro-2H-1-benzopyran-3-carbaldehyde, 2H-Benzo[h]chromene deriv.
EINECS	Contact for details

Quality Control

We maintain a rigorous quality management system to ensure the consistency and purity of our chemical intermediates. Every batch of 4-Chloro-2H-Benzo[H]Chromene-3-Carbaldehyde is analyzed using advanced techniques like HPLC, GC, and NMR to verify identity and purity against stringent in-house specifications. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with each shipment and is available upon request.

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 strong oxidizing agents and bases. For long-term storage, consider an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
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.