Description

Spiro[2.2]Pentanecarboxaldehyde, 4-Butyl-, (1R,3S,4S)-Rel- (9Ci) is a high-value, stereochemically defined chiral building block featuring a unique spirocyclic framework. This compound is critical for the synthesis of complex molecules where precise three-dimensional structure dictates biological activity and material properties. It is primarily sought after by research and development teams in the pharmaceutical and advanced materials sectors for creating novel active pharmaceutical ingredients (APIs) and specialty polymers.

Application

• Pharmaceutical Intermediate: A key chiral synthon in the research and development of novel therapeutic agents, particularly for central nervous system (CNS) and antiviral drugs.
• Asymmetric Synthesis: Serves as a sophisticated starting material or reagent in catalytic asymmetric reactions to introduce complex stereocenters.
• Ligand and Catalyst Development: Used in the design and synthesis of novel chiral ligands and organocatalysts for enantioselective transformations.
• Advanced Material Precursor: Employed in the development of specialty polymers and functional materials with tailored optical or electronic properties.
• Agrochemical Research: Utilized in the synthesis of novel, stereospecific pesticides and herbicides.
• Academic & Industrial R&D: A valuable tool for methodological studies in organic chemistry and for exploring new chemical spaces in discovery programs.

Basic Information

Product Name	Spiro[2.2]Pentanecarboxaldehyde, 4-Butyl-, (1R,3S,4S)-Rel- (9Ci)
CAS No.	405874-07-9
Molecular Formula	C10H16O
Molecular Weight	152.23 g/mol
Synonyms	(1R,3S,4S)-rel-4-Butylspiro[2.2]pentane-1-carbaldehyde; rel-(1R,3S,4S)-4-Butylspiro[2.2]pentane-1-carboxaldehyde; 4-Butylspiro[2.2]pentane-1-carbaldehyde (rel-(1R,3S,4S)-form); Spiro[2.2]pentane-1-carboxaldehyde, 4-butyl-, (1R,3S,4S)-rel-; (1R,3S,4S)-4-Butylspiro[2.2]pentanecarbaldehyde
EINECS	Contact for details

Quality Control

Every batch of Spiro[2.2]Pentanecarboxaldehyde, 4-Butyl-, (1R,3S,4S)-Rel- (9Ci) is produced and analyzed under strict quality management protocols to ensure identity, purity, and stereochemical integrity. Our products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) with detailed chromatographic and spectroscopic data, including chiral purity, are available upon request.

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 and degradation. Allow the container to reach room temperature before opening to prevent moisture condensation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 99.0% ee (rel-(1R,3S,4S)-)
Water Content (KF)	≤ 0.5%

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