Description

4-Oxaspiro[2.5]Octan-7-One is a specialized spirocyclic lactone compound that serves as a valuable synthetic intermediate in advanced organic chemistry. Its unique bridged structure makes it a critical building block for constructing complex molecular architectures, particularly in pharmaceutical research and development. This high-purity intermediate is essential for medicinal chemists and process R&D teams working on novel active pharmaceutical ingredients (APIs), agrochemicals, and functional materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, particularly those requiring complex spirocyclic or bridged ring systems.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides with unique modes of action.
• Material Science: Serves as a precursor for specialty polymers, liquid crystals, and other advanced functional materials.
• Academic & Process Chemistry: A valuable reagent for methodological studies in organic synthesis, including ring expansion and cyclization reactions.
• Flavor & Fragrance Synthons: Potential intermediate for creating complex musk and other fragrance compounds.

Basic Information

Product Name	4-Oxaspiro[2.5]Octan-7-One
CAS No.	1359869-22-9
Molecular Formula	C7H10O2
Molecular Weight	126.15 g/mol
Synonyms	4-Oxaspiro[2.5]octan-7-one; 7-Oxaspiro[2.5]octan-4-one; Spiro[2.5]octane-4,7-dione, 4-oxa-; Oxaspirooctanone; 1359869-22-9; 4-Oxa-spiro[2.5]octan-7-one
EINECS	Contact for details

Quality Control

Our 4-Oxaspiro[2.5]Octan-7-One is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, GC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide full traceability and detailed Certificates of Analysis (COA) for every shipment, supporting your regulatory and quality assurance requirements.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 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.