Description

1-Oxa-4-Azaspiro[4.4]Non-3-En-2-One,4-Oxide(9Ci) is a specialized heterocyclic compound featuring a unique spirocyclic and N-oxide structure, making it a valuable synthetic intermediate. This compound matters for its role in facilitating complex molecular transformations, particularly in the development of novel active pharmaceutical ingredients (APIs) and advanced agrochemicals. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries seeking to build sophisticated molecular architectures.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of complex drug candidates, especially those requiring spirocyclic or N-oxide motifs for biological activity.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides with novel modes of action.
• Organic Synthesis Reagent: Serves as a versatile precursor for constructing heterocyclic compounds in academic and industrial research laboratories.
• Material Science Precursor: Potential intermediate in the synthesis of specialty polymers or ligands for catalytic systems.

Basic Information

Item	Details
Product Name	1-Oxa-4-Azaspiro[4.4]Non-3-En-2-One,4-Oxide(9Ci)
CAS No.	159734-82-4
Molecular Formula	C7H9NO3
Molecular Weight	155.15 g/mol
Synonyms	1-Oxa-4-azaspiro[4.4]non-3-en-2-one, 4-oxide; 4-Oxo-1-oxa-4-azaspiro[4.4]non-3-ene 4-oxide; 1-Oxa-4-azaspiro[4.4]non-3-en-2-one 4-oxide; Spiro[cyclopentane-1,2'-[1,4]oxazino[2,3-b][1,4]oxazine]-3'(4'H)-one, 4'-oxide; 159734-82-4
EINECS	Contact for details

Quality Control

Our 1-Oxa-4-Azaspiro[4.4]Non-3-En-2-One,4-Oxide(9Ci) is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to support your quality assurance and regulatory needs.

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 incompatible materials such as strong acids, bases, and reducing agents. For long-term storage, consider an inert atmosphere to maintain stability.

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%
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.