Description

9-Benzyl-2,4-Dioxo-3,9-Diazaspiro[5.5]Undecane-1,5-Dicarbonitrile is a high-value, complex spirocyclic organic intermediate with significant utility in advanced chemical synthesis. Its unique diazaspiro[5.5]undecane core structure makes it a critical building block for the development of novel pharmaceutical compounds and functional materials. This product is essential for R&D and production teams in the pharmaceutical, agrochemical, and specialty chemical industries seeking to create new molecules with specific biological or material properties.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of potential drug candidates, particularly for central nervous system (CNS) and metabolic disorder targets.
• Agrochemical Research: Used in the development of novel active ingredients for crop protection with new modes of action.
• Ligand & Catalyst Development: Serves as a sophisticated scaffold for creating chiral ligands and organocatalysts used in asymmetric synthesis.
• Material Science: Building block for advanced polymers and organic electronic materials requiring specific spirocyclic architectures.
• Chemical Biology Probes: Utilized in the design and synthesis of molecular probes for studying enzyme function and biological pathways.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs and research organizations for bespoke synthesis projects.

Basic Information

Product Name	9-Benzyl-2,4-Dioxo-3,9-Diazaspiro[5.5]Undecane-1,5-Dicarbonitrile
CAS No.	189333-46-8
Molecular Formula	C19H18N4O2
Molecular Weight	334.37 g/mol
Synonyms	9-Benzyl-2,4-dioxo-3,9-diazaspiro[5.5]undecane-1,5-dicarbonitrile; 1,5-Dicyano-9-benzyl-2,4-dioxo-3,9-diazaspiro[5.5]undecane; 3,9-Diazaspiro[5.5]undecane-1,5-dicarbonitrile, 9-benzyl-2,4-dioxo-; Spirocyclic Diamide Dinitrile; BDDD; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Every batch of 9-Benzyl-2,4-Dioxo-3,9-Diazaspiro[5.5]Undecane-1,5-Dicarbonitrile is manufactured and tested under strict quality management systems. Our products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) are available upon request, detailing purity, identity, and impurity profiles as confirmed by HPLC, NMR, and mass spectrometry.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to prevent moisture absorption, which may affect stability and performance. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm
Single Unknown Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 2.0%

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