Description

Spiro[2.5]Octane-1-Carboxaldehyde, 4-Oxo- (9Ci) is a specialized spirocyclic aldehyde building block of significant interest in advanced organic synthesis. This compound matters for its unique structural framework, which serves as a versatile precursor for constructing complex molecular architectures, particularly in pharmaceutical and agrochemical research. It is primarily needed by R&D chemists and process development scientists working on novel active ingredients, heterocyclic compounds, and fine chemical intermediates.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly those requiring spirocyclic or bridged ring systems.
• Agrochemical Research: Used in the development of new pesticides and herbicides, where its unique carbon skeleton can impart specific biological activity.
• Material Science: Serves as a precursor for specialty polymers and advanced organic materials with tailored properties.
• Academic & Industrial R&D: A valuable reagent for methodological studies in organic chemistry, including cycloaddition reactions and carbonyl chemistry.
• Fine Chemical Synthesis: Employed in the multi-step synthesis of complex fragrance ingredients, dyes, and other high-value specialty chemicals.

Basic Information

Product Name	Spiro[2.5]Octane-1-Carboxaldehyde, 4-Oxo- (9Ci)
CAS No.	344747-56-4
Molecular Formula	C9H10O2
Molecular Weight	150.17 g/mol
Synonyms	4-Oxospiro[2.5]octane-1-carboxaldehyde; 4-Oxospiro[2.5]octane-1-carbaldehyde; 1-Formyl-4-oxaspiro[2.5]octane; Spiro[2.5]octane-1-carboxaldehyde, 4-oxo-; 344747-56-4; 4-Oxo-spiro[2.5]octane-1-carbaldehyde; 4-Oxaspiro[2.5]octane-1-carboxaldehyde
EINECS	Contact for details

Quality Control

Our Spiro[2.5]Octane-1-Carboxaldehyde, 4-Oxo- (9Ci) is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency, meeting the high standards required for research and development applications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated place. Recommended storage temperature is 2-8°C for long-term stability. Allow the container to reach room temperature before opening to minimize moisture ingress.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Assay	≥ 95.0%
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.