Description

Cyclopentanecarboxylic Acid, 3-Methyl-, Methyl Ester, (1S-Cis)- (9Ci) CAS NO 152518-87-1 is a high-purity chiral ester derivative of cyclopentanecarboxylic acid, characterized by its specific (1S-cis) stereochemistry. This compound serves as a critical advanced pharmaceutical intermediate (API) and a versatile chiral building block for the synthesis of complex organic molecules. It is essential for research and production in the pharmaceutical, agrochemical, and specialty chemical industries, where precise stereochemical control is paramount for developing active ingredients with targeted efficacy.

Application

• Pharmaceutical Intermediate: A key chiral synthon in the synthesis of active pharmaceutical ingredients (APIs), particularly for central nervous system (CNS) drugs, antiviral agents, and other therapeutics requiring specific stereochemistry.
• Agrochemical Synthesis: Used as a building block for developing novel pesticides and herbicides with enhanced activity and selectivity.
• Fine Chemical Production: Employed in the manufacture of specialty chemicals, including fragrances, flavors, and liquid crystals, where its unique cyclic structure imparts specific properties.
• Asymmetric Catalysis Research: Serves as a standard or substrate in academic and industrial research focused on developing new asymmetric synthesis methodologies.
• Material Science: Potential monomer or modifier in the synthesis of specialized polymers with tailored thermal or mechanical characteristics.

Basic Information

Product Name	Cyclopentanecarboxylic Acid, 3-Methyl-, Methyl Ester, (1S-Cis)- (9Ci)
CAS No.	152518-87-1
Molecular Formula	C8H14O2
Molecular Weight	142.20 g/mol
Synonyms	(1S,3R)-3-Methylcyclopentanecarboxylic acid methyl ester; Methyl (1S,3R)-3-methylcyclopentanecarboxylate; (1S-cis)-3-Methylcyclopentanecarboxylic Acid Methyl Ester; cis-3-Methylcyclopentanecarboxylic acid methyl ester; (1S,3R)-3-Methylcyclopentane-1-carboxylic acid methyl ester; Methyl cis-3-methylcyclopentanecarboxylate; (1S,3R)-Methyl 3-methylcyclopentanecarboxylate
EINECS	Contact for details

Quality Control

Our Cyclopentanecarboxylic Acid, 3-Methyl-, Methyl Ester, (1S-Cis)- is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity analysis by GC or HPLC, to ensure high chemical and enantiomeric purity suitable for sensitive synthetic applications. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. The product is moisture-sensitive; ensure containers are sealed after use to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Chiral Purity (ee)	≥ 99.0%
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.