Description

4-Methoxy-2H-Benzo[H]Chromene-3-Carbaldehyde is a specialized organic compound belonging to the chromene (benzopyran) class of heterocycles, characterized by its aldehyde and methoxy functional groups. This compound serves as a versatile and high-value synthetic intermediate for constructing complex molecular architectures in advanced chemical synthesis. It is primarily required by pharmaceutical R&D, agrochemical innovators, and fine chemical manufacturers for the development of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block for synthesizing potential drug candidates, particularly in therapeutic areas targeting central nervous system (CNS) disorders, inflammation, and oncology.
• Agrochemical Synthesis: Used in the research and development of new-generation pesticides, herbicides, and plant growth regulators due to its bioactive chromene core.
• Material Science Research: Serves as a precursor for organic light-emitting diodes (OLEDs), fluorescent dyes, and photochromic materials owing to its conjugated structure.
• Academic & Industrial R&D: Employed in organic chemistry research for methodology development, such as cyclization reactions and aldehyde functionalization studies.
• Fine Chemical Production: Intermediate for manufacturing specialty chemicals, including fragrances, advanced polymers, and complex ligands for catalysis.

Basic Information

Product Name	4-Methoxy-2H-Benzo[H]Chromene-3-Carbaldehyde
CAS No.	143034-62-2
Molecular Formula	C₁₅H₁₂O₃
Molecular Weight	240.26 g/mol
Synonyms	4-Methoxy-2H-benzo[h]chromene-3-carboxaldehyde; 3-Formyl-4-methoxy-2H-benzo[h]chromene; 4-Methoxy-2H-1-benzopyran-3-carbaldehyde, 2H-1-Benzopyran-3-carboxaldehyde, 4-methoxy-; 4-Methoxy-2H-1-benzopyran-3-carbaldehyde; 4-Methoxy-2H-benzo[h]chromene-3-carbaldehyde; 143034-62-2
EINECS	Contact for details

Quality Control

Our 4-Methoxy-2H-Benzo[H]Chromene-3-Carbaldehyde is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistent performance as a critical intermediate. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing identity, purity, and impurity profiles to support your quality and regulatory requirements.

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, sparks, and open flame.

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.