Description

Racemic-(6S,9S)-Ethyl 3-Oxo-1-Oxa-4-Azaspiro[5.5]Undecane-9-Carboxylate is a high-purity, advanced pharmaceutical intermediate featuring a complex spirocyclic structure. This compound is of significant value for its role as a key chiral building block in the synthesis of novel active pharmaceutical ingredients (APIs). It is primarily sought by research institutions and manufacturers in the pharmaceutical and fine chemical industries for the development of new therapeutic agents, particularly in central nervous system (CNS) and metabolic disorder research.

Application

• Pharmaceutical Intermediate: Serves as a critical chiral synthon in the multi-step synthesis of complex drug candidates and novel APIs.
• Medicinal Chemistry Research: Used as a scaffold or precursor in drug discovery programs for structure-activity relationship (SAR) studies.
• Process Chemistry Development: Employed in route scouting and optimization for the scalable production of target molecules.
• Asymmetric Synthesis: Utilized as a starting material or intermediate in stereoselective synthesis to introduce the spirocyclic framework.
• Reference Standard: Acts as a high-purity analytical standard for quality control and method development in analytical laboratories.

Basic Information

Item	Detail
Product Name	Racemic-(6S,9S)-Ethyl 3-Oxo-1-Oxa-4-Azaspiro[5.5]Undecane-9-Carboxylate
CAS No.	1422344-43-1
Molecular Formula	C12H19NO4
Molecular Weight	241.28 g/mol
Synonyms	Ethyl 3-oxo-1-oxa-4-azaspiro[5.5]undecane-9-carboxylate; (±)-(6S,9S)-Ethyl 3-oxo-1-oxa-4-azaspiro[5.5]undecane-9-carboxylate; 1-Oxa-4-azaspiro[5.5]undecane-9-carboxylic acid, 3-oxo-, ethyl ester, (6S,9S)-; 9-Carbethoxy-3-oxo-1-oxa-4-azaspiro[5.5]undecane; CAS 1422344-43-1
EINECS	Contact for details

Quality Control

Our Racemic-(6S,9S)-Ethyl 3-Oxo-1-Oxa-4-Azaspiro[5.5]Undecane-9-Carboxylate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and chiral analysis, to ensure it meets the high standards required for pharmaceutical R&D and production. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at controlled room temperature (15-25°C). The compound may be hygroscopic; keep the container tightly sealed in a dry environment to prevent moisture absorption.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Chiral Purity	Racemic mixture (1:1 ratio of diastereomers)
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.