Description

Dienelactone CAS NO 22752-92-7 is a specialized lactone compound that serves as a valuable intermediate in advanced organic synthesis. Its unique bicyclic structure makes it a critical building block for constructing complex molecular architectures, particularly in pharmaceutical research and fine chemical manufacturing. This high-purity intermediate is essential for chemists and process engineers in the pharmaceutical, agrochemical, and material science industries who require reliable, high-quality raw materials for developing active ingredients and novel polymers.

Application

• Pharmaceutical Intermediate: A key synthon in the synthesis of complex drug candidates, particularly those with fused ring systems.
• Agrochemical Synthesis: Used in the research and development of novel pesticides and herbicides requiring specific lactone functionalities.
• Fine Chemical Production: Employed as a precursor for flavors, fragrances, and other specialty chemicals where its structural motif is advantageous.
• Material Science Research: Acts as a monomer or cross-linking agent in the development of specialized polymers and resins.
• Academic & R&D: A valuable reagent for methodological studies in organic chemistry and catalysis focused on lactone chemistry.

Basic Information

Product Name	Dienelactone
CAS No.	22752-92-7
Molecular Formula	C8H8O2
Molecular Weight	136.15 g/mol
Synonyms	2,4-Dihydroxybenzoic acid γ-lactone; 2H-1-Benzopyran-2-one, 3,4-dihydro-; 3,4-Dihydro-2H-1-benzopyran-2-one; 3,4-Dihydrocoumarin; Dihydrocoumarin; Benzodihydropyrone; Melilotic anhydride; o-Hydroxyphenylpropionic acid lactone
EINECS	245-206-7

Quality Control

Our Dienelactone is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including chromatography and spectroscopic methods, to ensure high purity and consistency suitable for demanding synthetic applications. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications. We support cGMP standards for pharmaceutical applications and can tailor quality protocols to meet specific customer requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from strong oxidizing agents and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	70 - 74 °C
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.