Description

5-Oxaspiro[2.4]Heptane-1-Carboxaldehyde, 4-Oxo- (9Ci) is a high-value, specialized spirocyclic aldehyde building block used in advanced organic synthesis. This compound is critical for researchers and process chemists developing novel active pharmaceutical ingredients (APIs) and complex agrochemicals due to its unique, constrained molecular architecture. It is primarily utilized in the pharmaceutical, agrochemical, and fine chemical industries for constructing complex molecular frameworks.

Application

• Pharmaceutical Intermediate: A key chiral building block for the synthesis of novel drug candidates, particularly in central nervous system (CNS) and antiviral research.
• Agrochemical Synthesis: Used in the development of advanced herbicides and fungicides with novel modes of action.
• Ligand and Catalyst Development: Serves as a precursor for creating specialized ligands used in asymmetric catalysis.
• Fine Chemical Production: Employed in the multi-step synthesis of complex fragrance and flavor ingredients.
• Academic and R&D: A valuable reagent for methodological studies in organic chemistry, exploring new cyclization and functionalization reactions.
• Material Science Precursor: Potential use in synthesizing monomers for specialized polymers with unique thermal or optical properties.

Basic Information

Product Name	5-Oxaspiro[2.4]Heptane-1-Carboxaldehyde, 4-Oxo- (9Ci)
CAS No.	344353-82-8
Molecular Formula	C7H8O3
Molecular Weight	140.14 g/mol
Synonyms	4-Oxo-5-oxaspiro[2.4]heptane-1-carbaldehyde; 4-Oxospiro[2.4]heptane-1-carboxaldehyde, 5-oxa-; 5-Oxaspiro[2.4]heptane-1-carboxaldehyde, 4-oxo-; 4-Oxo-5-oxaspiro[2.4]heptanecarboxaldehyde; Spiro[2.4]heptane-1-carboxaldehyde, 4,5-dioxo- (related structure)
EINECS	Contact for details

Quality Control

Every batch of 5-Oxaspiro[2.4]Heptane-1-Carboxaldehyde, 4-Oxo- (9Ci) is manufactured and tested under strict quality management systems. We provide comprehensive analytical data to ensure the compound meets the high-purity standards required for sensitive synthetic applications. A detailed Certificate of Analysis (COA) confirming identity, purity, and impurity profile by HPLC, GC, and NMR is supplied with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at 2-8°C to minimize oxidation. The container should be kept in a cool, dry, well-ventilated area, separate from incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or low-melting solid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Area %)
Water Content (KF)	≤ 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.