Description

Indeno(1,2-B)Pyran-2-Carboxylic Acid, 4,5-Dihydro-4-Oxo- is a specialized heterocyclic carboxylic acid derivative that serves as a critical building block in advanced organic synthesis. Its unique fused indeno-pyran structure makes it a valuable intermediate for creating complex molecular architectures with specific functional properties. This compound is primarily sought by research and development chemists in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders or possessing anti-inflammatory properties.
• Agrochemical Research: Used in developing new generations of herbicides, fungicides, or plant growth regulators that require complex heterocyclic cores.
• Material Science: Acts as a monomer or functional additive in the development of specialty polymers, dyes, or organic electronic materials.
• Academic & Industrial R&D: Serves as a versatile scaffold in medicinal chemistry and synthetic methodology research for exploring new chemical spaces.
• Fine Chemical Synthesis: Employed in the multi-step production of complex fragrance ingredients, photographic chemicals, or other high-value specialty compounds.

Basic Information

Product Name	Indeno(1,2-B)Pyran-2-Carboxylic Acid, 4,5-Dihydro-4-Oxo-
CAS No.	74949-94-3
Molecular Formula	C13H10O4
Molecular Weight	230.22 g/mol
Synonyms	4-Oxo-4,5-dihydroindeno[1,2-b]pyran-2-carboxylic acid; 4,5-Dihydro-4-oxoindeno[1,2-b]pyran-2-carboxylic acid; Indeno[1,2-b]pyran-2-carboxylic acid, 4,5-dihydro-4-oxo-; 74949-94-3; 4H-Indeno[1,2-b]pyran-2-carboxylic acid, 4,5-dihydro-4-oxo-; 4-Oxo-4,5-dihydro-2H-indeno[1,2-b]pyran-2-carboxylic acid
EINECS	Contact for details

Quality Control

Our production of Indeno(1,2-B)Pyran-2-Carboxylic Acid, 4,5-Dihydro-4-Oxo- adheres to a stringent quality management system. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure consistency and compliance with customer specifications. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with each shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from incompatible materials such as strong acids and 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%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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