Description

tert-Butyl 8-Oxo-5-Oxa-2-Azaspiro[3.5]Nonane-2-Carboxylate (Wx101898) is a high-purity, advanced pharmaceutical intermediate featuring a unique spirocyclic scaffold. This compound is of significant value for medicinal chemistry research and development, serving as a critical building block for synthesizing novel active pharmaceutical ingredients (APIs). It is primarily sought after by R&D chemists and process development scientists in the pharmaceutical and biotechnology industries working on new drug candidates, particularly in areas requiring complex heterocyclic architectures.

Application

• Pharmaceutical Intermediate: A key synthetic precursor in the research and development of new therapeutic agents.
• Medicinal Chemistry Building Block: Used for constructing complex molecular frameworks in drug discovery programs.
• API Synthesis: Employed in the scalable synthesis route development for potential Active Pharmaceutical Ingredients.
• Chemical Biology Probe Development: Serves as a core structure for creating tools to study biological pathways.
• Process Chemistry Research: Utilized in optimizing synthetic routes for efficiency and yield in pilot-scale studies.
• Custom Synthesis & Contract Manufacturing: A starting material for bespoke chemical synthesis services targeting novel compounds.

Basic Information

Product Name	tert-Butyl 8-Oxo-5-Oxa-2-Azaspiro[3.5]Nonane-2-Carboxylate (Wx101898)
CAS No.	1936655-32-1
Molecular Formula	C12H19NO4
Molecular Weight	241.28 g/mol
Synonyms	2-[(tert-Butoxy)carbonyl]-8-oxo-5-oxa-2-azaspiro[3.5]nonane; 5-Oxa-2-azaspiro[3.5]nonane-2-carboxylic acid, 8-oxo-, 1,1-dimethylethyl ester; tert-Butyl 8-oxo-5-oxa-2-azaspiro[3.5]nonane-2-carboxylate; WX-101898; Wx101898; Boc-protected 8-oxo-5-oxa-2-azaspiro[3.5]nonane; Spirocyclic tert-butyl ester intermediate.
EINECS	Contact for details

Quality Control

Our tert-Butyl 8-Oxo-5-Oxa-2-Azaspiro[3.5]Nonane-2-Carboxylate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, 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 documentation needs.

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). The compound may be hygroscopic (moisture-sensitive); keep the container tightly sealed under an inert atmosphere if specified for long-term storage.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 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.