Description

3-Methylene-2,3-Dihydro-4H-1-Benzopyran-4-One CAS NO 78115-49-8 is a specialized heterocyclic organic compound belonging to the chromone family, serving as a key synthetic intermediate. Its unique structure makes it a valuable building block for the development of novel pharmaceutical agents and fine chemicals. This product is essential for research and development chemists in the pharmaceutical, agrochemical, and advanced material synthesis sectors seeking to create new molecular entities with targeted biological or functional properties.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of novel drug candidates, particularly those targeting inflammation, cancer, and central nervous system disorders.
• Agrochemical Research: Used in the development of new pesticides and herbicides, leveraging the bioactive chromone scaffold.
• Fine Chemical Synthesis: Serves as a versatile building block for creating complex molecules used in flavors, fragrances, and functional materials.
• Academic & Industrial R&D: Employed in chemical research to study reaction mechanisms and develop new synthetic methodologies involving chromone derivatives.
• Material Science: Investigated as a precursor for organic electronic materials due to its conjugated system.

Basic Information

Product Name	3-Methylene-2,3-Dihydro-4H-1-Benzopyran-4-One
CAS No.	78115-49-8
Molecular Formula	C10H8O2
Molecular Weight	160.17 g/mol
Synonyms	3-Methylenechroman-4-one; 3-Methylene-4-chromanone; 4H-1-Benzopyran-4-one, 2,3-dihydro-3-methylene-; 3-Methylenecoumaran-4-one; 3-Methylene-2,3-dihydrochromen-4-one
EINECS	Contact for details

Quality Control

Our 3-Methylene-2,3-Dihydro-4H-1-Benzopyran-4-One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the high standards required for research and synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from strong oxidizing agents. For long-term storage, consider an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white 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.