Description

4H-1-Benzopyran-3-Carboxaldehyde, 7,8-Dihydroxy-4-Oxo- (9Ci) is a high-purity, functionalized benzopyran derivative, also known by its CAS number 164594-34-7. This compound serves as a critical advanced pharmaceutical intermediate and a versatile organic synthesis building block for the development of novel active molecules. It is primarily sought by pharmaceutical R&D and fine chemical synthesis sectors for its unique structural features.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those targeting neurological and cardiovascular pathways.
• Organic Synthesis Building Block: Utilized for constructing complex heterocyclic compounds and natural product analogs in medicinal chemistry.
• Biochemical Research: Used as a reference standard or probe in enzymatic and receptor-binding studies due to its specific functional groups.
• Material Science Research: Potential monomer or precursor for developing specialty polymers and organic electronic materials.
• Agrochemical Intermediate: Serves in the research and development of new plant protection agents and growth regulators.
• Academic & Contract Research: Essential for university laboratories and CROs (Contract Research Organizations) conducting synthetic chemistry projects.

Basic Information

Product Name	4H-1-Benzopyran-3-Carboxaldehyde, 7,8-Dihydroxy-4-Oxo- (9Ci)
CAS No.	164594-34-7
Molecular Formula	C10H6O5
Molecular Weight	206.15 g/mol
Synonyms	7,8-Dihydroxy-4-oxo-4H-chromene-3-carbaldehyde; 7,8-Dihydroxy-4-oxo-4H-1-benzopyran-3-carboxaldehyde; 3-Formyl-7,8-dihydroxy-4H-chromen-4-one; 7,8-Dihydroxy-4-oxochromene-3-carboxaldehyde; Chromone-3-carboxaldehyde, 7,8-dihydroxy-4-oxo-; 164594-34-7 (CAS)
EINECS	Contact for details

Quality Control

Our production of 4H-1-Benzopyran-3-Carboxaldehyde, 7,8-Dihydroxy-4-Oxo- (9Ci) adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques like HPLC, NMR, and mass spectrometry to confirm identity and purity. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment, supporting your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Due to its sensitivity to oxidation, it is recommended to store under an inert atmosphere for long-term preservation. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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