Description

Cyclopentanecarboxylic Acid, 2-Formyl-, Methyl Ester, (1S-Cis)- (9Ci) is a high-purity chiral building block and advanced pharmaceutical intermediate of significant synthetic value. Its defined stereochemistry and functional groups make it a critical precursor for the synthesis of complex, biologically active molecules. This compound is essential for research and development chemists in the pharmaceutical and agrochemical industries seeking to construct novel, stereochemically defined scaffolds for drug discovery and fine chemical applications.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of active pharmaceutical ingredients (APIs), particularly in the development of prostaglandin analogs, antiviral agents, and other therapeutic compounds.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides where specific stereochemistry is required for biological activity.
• Asymmetric Catalysis & Ligand Synthesis: Serves as a precursor for the development of novel chiral ligands and catalysts used in enantioselective synthesis.
• Fine Chemical & Flavor/Fragrance Intermediate: Employed in the synthesis of complex natural products and specialty aroma chemicals.
• Academic & Industrial R&D: A valuable tool for methodological development in organic synthesis and medicinal chemistry research programs.

Basic Information

Product Name	Cyclopentanecarboxylic Acid, 2-Formyl-, Methyl Ester, (1S-Cis)- (9Ci)
CAS No.	162870-69-1
Molecular Formula	C8H12O3
Molecular Weight	156.18 g/mol
Synonyms	(1S,2S)-2-Formylcyclopentanecarboxylic acid methyl ester; Methyl (1S,2S)-2-formylcyclopentanecarboxylate; (1S-cis)-2-Formylcyclopentanecarboxylic Acid Methyl Ester; (-)-Methyl (1S,2S)-2-formyl-1-cyclopentanecarboxylate; cis-2-Formylcyclopentanecarboxylic acid methyl ester; (1S,2S)-rel-2-Formylcyclopentanecarboxylic Acid Methyl Ester
EINECS	Contact for details

Quality Control

Our Cyclopentanecarboxylic Acid, 2-Formyl-, Methyl Ester, (1S-Cis)- (9Ci) is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity analysis by HPLC, to ensure it meets the stringent requirements for advanced synthetic applications. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming identity, purity, and enantiomeric excess.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry place at 2-8°C for long-term stability. This compound is easily oxidized; ensure containers are properly sealed after each use to minimize exposure to air.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% ee
Water Content (KF)	≤ 0.5%

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