Description

1-Oxa-4,9-Diazaspiro[5.5]Undecane-9-Carboxylic Acid, 3-Oxo-, Phenylmethyl Ester is a high-purity, advanced pharmaceutical intermediate featuring a complex spirocyclic and heterocyclic structure. This compound is a critical building block in modern medicinal chemistry, enabling the synthesis of novel active pharmaceutical ingredients (APIs) with targeted therapeutic effects. It is primarily sought by research institutions and pharmaceutical manufacturers engaged in the development of new drugs, particularly in the areas of central nervous system (CNS) agents and other specialized therapeutics.

Application

• Pharmaceutical Intermediate: A key synthetic precursor in the multi-step production of novel Active Pharmaceutical Ingredients (APIs).
• Medicinal Chemistry Research: Serves as a sophisticated scaffold for structure-activity relationship (SAR) studies and lead optimization in drug discovery programs.
• CNS Drug Development: Used in the research and synthesis of potential therapeutics targeting neurological and psychiatric disorders.
• Custom Synthesis & Contract Manufacturing: Employed by CDMOs (Contract Development and Manufacturing Organizations) for the cGMP production of client-specific drug candidates.
• Process Chemistry: Utilized in route scouting and scale-up optimization for efficient and cost-effective API manufacturing.

Basic Information

Product Name	1-Oxa-4,9-Diazaspiro[5.5]Undecane-9-Carboxylic Acid, 3-Oxo-, Phenylmethyl Ester
CAS No.	84243-24-3
Molecular Formula	C16H20N2O4
Molecular Weight	304.34 g/mol
Synonyms	Benzyl 3-oxo-1-oxa-4,9-diazaspiro[5.5]undecane-9-carboxylate; 9-(Benzyloxycarbonyl)-3-oxo-1-oxa-4,9-diazaspiro[5.5]undecane; 1-Oxa-4,9-diazaspiro[5.5]undecane-9-carboxylic acid, 3-oxo-, phenylmethyl ester; Z-Protected Spirocyclic Lactam; CAS 84243-24-3
EINECS	Contact for details

Quality Control

Our 1-Oxa-4,9-Diazaspiro[5.5]Undecane-9-Carboxylic Acid, 3-Oxo-, Phenylmethyl Ester is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and MS, to ensure identity, purity, and consistency. We provide full traceability and detailed Certificates of Analysis (COA) with each shipment, supporting your regulatory and research documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials. For long-term storage, consider inert atmosphere conditions to maintain optimal 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.