Description

2-Oxaspiro[4.4]Nonan-1-One,6-Cyclopropyl-6-Hydroxy-,(5R,6S)-Rel-(9Ci) is a high-purity, stereochemically defined spirocyclic lactone building block of significant interest in advanced organic synthesis. Its unique fused ring system and functional groups make it a valuable intermediate for constructing complex molecular architectures. This compound is primarily targeted at research and development teams in the pharmaceutical and agrochemical industries, where it serves as a key precursor for novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A critical chiral building block for the synthesis of novel drug candidates, particularly in central nervous system (CNS) and anti-infective therapeutic areas.
• Agrochemical Synthesis: Used in the research and development of advanced pesticides and herbicides, leveraging its complex spirocyclic structure.
• Chemical Research: Serves as a model compound in methodological studies for spiroannulation and stereoselective synthesis reactions.
• Fine Chemical Production: Employed in the manufacture of specialty chemicals, flavors, and fragrances requiring specific stereochemistry.
• Academic & Institutional R&D: Utilized in university and government laboratories for exploratory chemistry and the development of new synthetic pathways.

Basic Information

Product Name	2-Oxaspiro[4.4]Nonan-1-One,6-Cyclopropyl-6-Hydroxy-,(5R,6S)-Rel-(9Ci)
CAS No.	643754-22-7
Molecular Formula	C11H16O3
Molecular Weight	196.24 g/mol
Synonyms	(5R,6S)-6-Cyclopropyl-6-hydroxy-2-oxaspiro[4.4]nonan-1-one; rel-(5R,6S)-6-Cyclopropyl-6-hydroxy-2-oxaspiro[4.4]nonan-1-one; 6-Cyclopropyl-6-hydroxy-2-oxaspiro[4.4]nonan-1-one, (5R,6S)-rel-; 2-Oxaspiro[4.4]nonane-1-one, 6-cyclopropyl-6-hydroxy-, (5R,6S)-rel-; Spirocyclic lactone intermediate 643754-22-7
EINECS	Contact for details

Quality Control

Our production of 2-Oxaspiro[4.4]Nonan-1-One,6-Cyclopropyl-6-Hydroxy-,(5R,6S)-Rel-(9Ci) adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. All materials are characterized using advanced analytical techniques including HPLC, GC, NMR, and chiral analysis to confirm identity, purity, and stereochemical integrity. Certificates of Analysis (COA) detailing all specification parameters are provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider inert gas purging to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Chiral Purity (Chiral HPLC)	≥ 99.0% de
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.