Description

Cyclopentanecarboxaldehyde, 1-Methyl-3-(1-Methylethyl)-2-Oxo-, (1R,3S)-Rel- (9Ci) is a high-purity chiral aldehyde building block of significant interest in advanced organic synthesis. Its defined stereochemistry and functional groups make it a valuable precursor for constructing complex molecular architectures with precise spatial orientation. This compound is primarily utilized by research and development chemists in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the research and development of new active pharmaceutical ingredients (APIs), particularly in medicinal chemistry programs targeting complex therapeutic molecules.
• Agrochemical Synthesis: Used in the development of advanced pesticides and herbicides where specific stereochemistry is crucial for biological activity and environmental profile.
• Asymmetric Catalysis Research: Serves as a sophisticated substrate or ligand precursor in academic and industrial research focused on developing new asymmetric synthetic methodologies.
• Fine Chemical Production: Employed in the multi-step synthesis of specialty chemicals, flavors, and fragrances that require high stereochemical purity.
• Material Science Precursor: Potential use in the synthesis of specialized polymers or organic electronic materials where the aldehyde functionality allows for further functionalization.

Basic Information

Product Name	Cyclopentanecarboxaldehyde, 1-Methyl-3-(1-Methylethyl)-2-Oxo-, (1R,3S)-Rel- (9Ci)
CAS No.	286458-58-0
Molecular Formula	C10H16O2
Molecular Weight	168.23 g/mol
Synonyms	(1R,3S)-rel-1-Methyl-3-isopropyl-2-oxocyclopentanecarboxaldehyde; (1R,3S)-1-Methyl-3-(1-methylethyl)-2-oxocyclopentanecarbaldehyde; 2-Oxo-1-methyl-3-(propan-2-yl)cyclopentane-1-carbaldehyde (rel-(1R,3S)-); rel-(1R,3S)-1-Methyl-3-isopropyl-2-oxocyclopentanecarboxaldehyde; 1-Methyl-3-isopropyl-2-oxocyclopentanecarboxaldehyde (rel-(1R,3S)-); Cyclopentanecarboxaldehyde, 1-methyl-3-(1-methylethyl)-2-oxo-, (1R,3S)-rel-
EINECS	Contact for details

Quality Control

Our Cyclopentanecarboxaldehyde, 1-Methyl-3-(1-Methylethyl)-2-Oxo-, (1R,3S)-Rel- (9Ci) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity analysis by HPLC, to ensure consistent identity, purity, and stereochemical integrity. Comprehensive Certificates of Analysis (COA) detailing all specifications are provided with every shipment to support your quality assurance and regulatory needs.

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 area at controlled room temperature (15-25°C). This material is easily oxidized and light-sensitive; prolonged exposure to air or light should be avoided to maintain product stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 99.0% de (diastereomeric excess)
Water Content (KF)	≤ 0.5%

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