Description

2-Propanone, 1-(2-Methylcyclopentyl)-, trans- (9Ci) is a specialized organic ketone compound with the CAS number 167156-59-4. This chemical serves as a valuable chiral intermediate and building block in advanced organic synthesis, prized for its defined stereochemistry. It is primarily needed by research and development laboratories, pharmaceutical manufacturers, and fine chemical producers for creating complex molecules, including active pharmaceutical ingredients (APIs) and specialty agrochemicals.

Application

• Pharmaceutical Intermediate: A key chiral synthon in the multi-step synthesis of complex drug candidates and active pharmaceutical ingredients (APIs).
• Fine Chemical Synthesis: Used as a specialized building block for constructing complex organic molecules in research and pilot-scale production.
• Agrochemical Research: Employed in the development and synthesis of novel, stereospecific pesticides and herbicides.
• Flavor & Fragrance Industry: Acts as a precursor for the synthesis of specific musk compounds and other aroma chemicals.
• Material Science: Investigated as a monomer or modifying agent in the development of advanced polymers with specific properties.
• Academic & Industrial R&D: Serves as a standard or starting material in methodological development and stereochemistry studies.

Basic Information

Product Name	2-Propanone, 1-(2-Methylcyclopentyl)-, trans- (9Ci)
CAS No.	167156-59-4
Molecular Formula	C9H16O
Molecular Weight	140.22 g/mol
Synonyms	trans-1-(2-Methylcyclopentyl)propan-2-one; (1R,2S)-1-(2-Methylcyclopentyl)propan-2-one; 1-(2-Methylcyclopentyl)-2-propanone, trans-; 2-Propanone, 1-(2-methylcyclopentyl)-, (1R,2S)-rel-; 2-Methylcyclopentyl acetone (trans-); trans-2-Methylcyclopentylacetone; (trans)-1-(2-Methylcyclopentyl)acetone
EINECS	Contact for details

Quality Control

Every batch of 2-Propanone, 1-(2-Methylcyclopentyl)-, trans- (9Ci) is produced and tested under strict quality management systems to ensure high purity and consistent performance. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, enantiomeric excess, and impurity profiles. Our quality commitment aligns with cGMP standards where applicable, supporting its use in regulated synthesis pathways.

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. For long-term storage under inert atmosphere, please contact us for specific recommendations.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Enantiomeric Excess (Chiral HPLC)	≥ 98.0%
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.