Description

2,2,4,4-Tetramethyl-7-Oxa-3,20-Diazadispiro[5.1.11.2]-Henicosan-21-One is a complex, high-purity spirocyclic organic compound with the CAS number 64338-16-5. This specialized chemical serves as a critical advanced intermediate or building block in sophisticated organic synthesis, enabling the development of novel molecular architectures. It is primarily required by research institutions and industrial R&D departments focused on pharmaceuticals, agrochemicals, and advanced material science.

Application

• Pharmaceutical Intermediate: A key building block for the synthesis of novel active pharmaceutical ingredients (APIs), particularly in drug discovery programs targeting complex therapeutic areas.
• Agrochemical Research: Used in the development of new-generation pesticides, herbicides, or fungicides with unique modes of action.
• Advanced Material Synthesis: Serves as a precursor for creating specialized polymers, ligands, or additives with tailored properties for high-performance applications.
• Chemical Biology & Probe Development: Employed in constructing molecular probes or tools for studying biological systems and pathways.
• Catalyst & Ligand Design: The unique spirocyclic diaza structure makes it valuable for designing novel catalysts or complexing agents in asymmetric synthesis.
• Academic & Contract Research: Essential for fundamental organic chemistry research and synthetic methodology development in academic and CRO (Contract Research Organization) settings.

Basic Information

Product Name	2,2,4,4-Tetramethyl-7-Oxa-3,20-Diazadispiro[5.1.11.2]-Henicosan-21-One
CAS No.	64338-16-5
Molecular Formula	C20H36N2O2
Molecular Weight	336.52 g/mol
Synonyms	7-Oxa-3,20-diazadispiro[5.1.11.2]henicosan-21-one, 2,2,4,4-tetramethyl-; Spirocyclic Diamide; 64338-16-5; Tetramethyloxadiazadispirohenicosanone; Advanced Spirocyclic Intermediate; CAS 64338-16-5
EINECS	Contact for details

Quality Control

Our production of 2,2,4,4-Tetramethyl-7-Oxa-3,20-Diazadispiro[5.1.11.2]-Henicosan-21-One adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical characterization, including HPLC, NMR, and MS, 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 (typically 15-25°C). Keep away from incompatible materials. For long-term storage, consider an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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