Description

3,4-Dihydro-1-Oxo-1H-2-Benzopyran-5-Carbaldehyde is a versatile and high-value heterocyclic aldehyde building block. This compound is critical for the synthesis of complex organic molecules, particularly in the development of novel active pharmaceutical ingredients (APIs) and advanced materials. It is primarily sought after by research chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for constructing fused-ring systems and introducing formyl functionality.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of potential drug candidates, particularly those with benzopyran or chromone-based scaffolds, which are associated with a range of biological activities.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and plant growth regulators where the benzopyran core is a desired structural motif.
• Organic Synthesis Building Block: Serves as a versatile starting material for heterocyclic chemistry, enabling reactions such as condensation, reduction, and cyclization to create diverse chemical libraries.
• Material Science Research: Investigated as a monomer or functionalizing agent in the development of specialty polymers, dyes, and photoactive materials.
• Academic & R&D: Employed in university and institutional laboratories for methodological studies and the exploration of new synthetic pathways in organic chemistry.

Basic Information

Item	Detail
Product Name	3,4-Dihydro-1-Oxo-1H-2-Benzopyran-5-Carbaldehyde
CAS No.	50276-98-7
Molecular Formula	C10H8O3
Molecular Weight	176.17 g/mol
Synonyms	5-Formyl-3,4-dihydro-1H-2-benzopyran-1-one; 5-Formyl-3,4-dihydroisocoumarin; 3,4-Dihydro-5-formyl-1H-2-benzopyran-1-one; 5-Aldehydo-3,4-dihydrocoumarin; Isocoumarin-5-carbaldehyde, 3,4-dihydro-; 50276-98-7; 5-Carbaldehyde-3,4-dihydro-1H-2-benzopyran-1-one
EINECS	Contact for details

Quality Control

Our 3,4-Dihydro-1-Oxo-1H-2-Benzopyran-5-Carbaldehyde is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation by IR and NMR spectroscopy, to ensure it meets the high standards required for research and industrial synthesis. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

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). Due to its sensitivity to oxidation, it is recommended to handle and store the material under an inert atmosphere for long-term preservation. Keep away from heat and incompatible materials.

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.