Description

Cyclopentanecarboxylic Acid, 2,3,4-Trimethyl-, (1R,2S,3S,4S)-Rel- (9Ci) is a high-purity, stereochemically defined chiral building block of significant interest in advanced organic synthesis. Its value lies in its complex, multi-substituted cyclopentane core, which serves as a critical scaffold for constructing molecules with precise three-dimensional architecture. This compound is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries developing novel active ingredients, where its defined stereochemistry is crucial for biological activity and process control. CAS No. 319475-00-8.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the research and development of novel active pharmaceutical ingredients (APIs), particularly in therapeutic areas requiring complex, stereoselective molecules.
• Agrochemical Synthesis: Used in the construction of advanced pesticide and herbicide candidates, where the specific stereochemistry can influence efficacy and environmental selectivity.
• Asymmetric Catalysis Ligand Precursor: Serves as a starting material for synthesizing sophisticated chiral ligands and organocatalysts used in enantioselective transformations.
• Fine Chemical and Flavor/Fragrance Intermediate: Employed in the synthesis of high-value specialty chemicals, including complex aroma compounds where the specific isomer is critical for the olfactory profile.
• Academic and R&D Laboratories: A valuable tool for methodological studies in organic chemistry, including new cyclization and functionalization strategies.
• Material Science Research: Potential monomer or building block for creating polymers with unique structural and chiral properties.

Basic Information

Product Name	Cyclopentanecarboxylic Acid, 2,3,4-Trimethyl-, (1R,2S,3S,4S)-Rel- (9Ci)
CAS No.	319475-00-8
Molecular Formula	C9H16O2
Molecular Weight	156.22 g/mol
Synonyms	(1R,2S,3S,4S)-2,3,4-Trimethylcyclopentanecarboxylic Acid; rel-(1R,2S,3S,4S)-2,3,4-Trimethylcyclopentanecarboxylic Acid; 2,3,4-Trimethylcyclopentanecarboxylic Acid (stereoisomer); Cyclopentanecarboxylic acid, 2,3,4-trimethyl-, (1R,2S,3S,4S)-rel-; Chiral Trimethylcyclopentanecarboxylic Acid; Stereoisomer of 2,3,4-Trimethylcyclopentanecarboxylic Acid
EINECS	Contact for details

Quality Control

Every batch of Cyclopentanecarboxylic Acid, 2,3,4-Trimethyl-, (1R,2S,3S,4S)-Rel- (9Ci) is produced and tested under strict quality management protocols to ensure identity, purity, and stereochemical integrity. Our products undergo rigorous analytical testing, including chiral HPLC, NMR, and GC/MS, to ensure compliance with customer specifications and industry standards. Certificates of Analysis (COA) detailing purity, enantiomeric excess, and impurity profiles are provided with each shipment and are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive); the container must be kept tightly sealed to exclude moisture and prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Enantiomeric Excess (Chiral HPLC)	≥ 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.