Description

4-Oxa-1,9-Diazaspiro[5.5]Undecane is a high-purity, heterocyclic organic compound featuring a unique spirocyclic structure that combines ether and amine functionalities. This specialized building block is critical for advanced research and development in medicinal chemistry, enabling the synthesis of novel molecular architectures. It is primarily utilized by pharmaceutical R&D teams and fine chemical manufacturers seeking to develop new active pharmaceutical ingredients (APIs) and complex bioactive molecules.

Application

• Pharmaceutical Intermediate: A key synthon for constructing complex spirocyclic scaffolds in drug discovery programs, particularly for central nervous system (CNS) and metabolic disease targets.
• Medicinal Chemistry Research: Serves as a versatile building block for creating focused libraries of novel compounds to explore structure-activity relationships (SAR).
• Ligand and Catalyst Development: Used in the synthesis of specialized ligands for asymmetric catalysis or metal-organic frameworks (MOFs).
• Agrochemical Synthesis: Employed in the research phase for developing new crop protection agents with novel modes of action.
• Academic and Institutional R&D: A valuable reagent for universities and research institutes studying heterocyclic chemistry and spiro compound synthesis.

Basic Information

Product Name	4-Oxa-1,9-Diazaspiro[5.5]Undecane
CAS No.	151742-17-5
Molecular Formula	C8H14N2O
Molecular Weight	154.21 g/mol
Synonyms	1,9-Diazaspiro[5.5]undecan-4-one, 4-Oxa-1,9-diazaspiro[5.5]undecane, Spiro[piperidine-4,2'-imidazolidine]-4'-one, 1,9-Diazaspiro[5.5]undecane-4-one, 2,8-Diazaspiro[4.5]decan-3-one (tautomeric form), 151742-17-5
EINECS	Contact for details

Quality Control

Our 4-Oxa-1,9-Diazaspiro[5.5]Undecane is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, NMR and IR for structural confirmation, and residual solvent analysis. Certificates of Analysis (COA) documenting identity, purity, and all critical parameters are provided with every shipment to ensure traceability and compliance with your research or production standards.

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). The product is hygroscopic (moisture-sensitive); keep the original container tightly sealed under an inert atmosphere after opening to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residual Solvents (GC)	Meets ICH Q3C guidelines

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