Description

5-Methoxy-4-Oxo-4H-Chromene-3-Carbaldehyde is a versatile chromene derivative, a key heterocyclic building block prized for its reactive aldehyde and ketone functionalities. This compound is essential for synthesizing complex molecules in advanced research and industrial chemistry. It is primarily sought after by pharmaceutical R&D teams, agrochemical developers, and specialty chemical manufacturers for creating novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of novel drug candidates, particularly those with chromene or coumarin-based scaffolds for therapeutic applications.
• Agrochemical Synthesis: Used in the development of new pesticides and herbicides, where the chromene core can contribute to biological activity.
• Organic Synthesis Building Block: Serves as a versatile starting material for synthesizing complex heterocycles, dyes, and fluorescent markers due to its reactive formyl group.
• Material Science Research: Investigated for the development of organic electronic materials, ligands for metal complexes, and advanced polymers.
• Academic & Industrial R&D: Employed in chemical research for method development and exploring new reaction pathways in synthetic organic chemistry.

Basic Information

Product Name	5-Methoxy-4-Oxo-4H-Chromene-3-Carbaldehyde
CAS No.	49619-59-2
Molecular Formula	C11H8O4
Molecular Weight	204.18 g/mol
Synonyms	3-Formyl-5-methoxy-4H-chromen-4-one; 5-Methoxy-4-oxo-4H-1-benzopyran-3-carboxaldehyde; 5-Methoxy-4-oxochromene-3-carbaldehyde; 3-Carbaldehyde-5-methoxy-4-chromone; 5-Methoxy-4-chromone-3-carboxaldehyde
EINECS	Contact for details

Quality Control

Our 5-Methoxy-4-Oxo-4H-Chromene-3-Carbaldehyde is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods (IR, NMR). We provide full traceability and Certificates of Analysis (COA) are available upon request to ensure it meets your specific research or production-grade requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This product is easily oxidized and should be handled under an inert atmosphere for long-term storage. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%

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