Description

9-Benzyl-1-Oxa-9-Azaspiro[5.5]Undec-4-Yl Methanesulfonate is a high-purity, specialized organic compound belonging to the spirocyclic structural class, serving as a critical building block in advanced chemical synthesis. Its value lies in its unique molecular architecture, which makes it an essential intermediate for the development of novel active pharmaceutical ingredients (APIs) and sophisticated fine chemicals. This product is primarily needed by research and development teams, process chemists, and manufacturers within the pharmaceutical, agrochemical, and advanced material science industries seeking to innovate and scale complex molecular targets.

Application

• Pharmaceutical Intermediate: A key synthetic precursor in the research and production of new drug candidates, particularly those targeting neurological and metabolic disorders.
• Agrochemical Synthesis: Used in the development of next-generation herbicides and pesticides with novel modes of action.
• Chemical Research & Development: Serves as a versatile scaffold for medicinal chemistry and process optimization studies in academic and industrial labs.
• Fine Chemical Manufacturing: Employed in the custom synthesis of complex, high-value specialty chemicals for various industrial applications.
• Ligand and Catalyst Development: Its spirocyclic structure can be utilized to create novel ligands for asymmetric catalysis and metal complexes.

Basic Information

Item	Details
Product Name	9-Benzyl-1-Oxa-9-Azaspiro[5.5]Undec-4-Yl Methanesulfonate
CAS No.	503551-94-8
Molecular Formula	C18H27NO4S
Molecular Weight	353.48 g/mol
Synonyms	9-Benzyl-1-oxa-9-azaspiro[5.5]undecan-4-yl methanesulfonate; 1-Oxa-9-azaspiro[5.5]undecane, 9-(phenylmethyl)-, 4-methanesulfonate; 9-Benzyl-4-(methylsulfonyloxy)-1-oxa-9-azaspiro[5.5]undecane; 9-Benzyl-1-oxa-9-azaspiro[5.5]undec-4-yl mesylate; 503551-94-8; 9-Benzyl-4-methanesulfonyloxy-1-oxa-9-azaspiro[5.5]undecane
EINECS	Contact for details

Quality Control

Our 9-Benzyl-1-Oxa-9-Azaspiro[5.5]Undec-4-Yl Methanesulfonate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical quality attributes to support your regulatory and R&D requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). This compound is moisture-sensitive (hygroscopic); keep the container tightly sealed under an inert atmosphere such as nitrogen or argon to prevent degradation. Keep away from strong oxidizing agents.

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%
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.