Description

1-Cyclopentene-1-Carboxylicacid,3-(1-Methylethyl)-,(S)-(9Ci) is a chiral, non-racemic cyclopentene derivative that serves as a valuable synthetic intermediate in advanced organic synthesis. Its unique sterically hindered structure and defined stereochemistry make it a critical building block for constructing complex molecules with high enantiomeric purity. 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 novel active pharmaceutical ingredients (APIs), particularly in areas requiring stereochemical control.
• Agrochemical Synthesis: Used in the production of advanced, enantiomerically pure pesticides and herbicides where specific stereochemistry impacts biological activity.
• Fine Chemical Production: Serves as a specialized building block in the synthesis of complex fragrances, flavors, and other high-value specialty chemicals.
• Academic & Industrial Research: Employed in methodological development and asymmetric synthesis studies within organic chemistry laboratories.
• Ligand & Catalyst Development: Potential precursor for creating novel chiral ligands and organocatalysts used in asymmetric transformations.

Basic Information

Product Name	1-Cyclopentene-1-Carboxylicacid,3-(1-Methylethyl)-,(S)-(9Ci)
CAS No.	135616-14-7
Molecular Formula	C9H14O2
Molecular Weight	154.21 g/mol
Synonyms	(S)-3-Isopropyl-1-cyclopentene-1-carboxylic acid; (S)-3-(1-Methylethyl)-1-cyclopentene-1-carboxylic acid; (S)-3-Isopropylcyclopent-1-ene-1-carboxylic acid; 1-Cyclopentene-1-carboxylic acid, 3-(1-methylethyl)-, (S)-; (S)-3-Isopropyl-1-cyclopentenecarboxylic acid; (S)-3-Isopropylcyclopent-1-enecarboxylic acid
EINECS	Contact for details

Quality Control

Our 1-Cyclopentene-1-Carboxylicacid,3-(1-Methylethyl)-,(S)-(9Ci) is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity analysis by HPLC, to ensure high enantiomeric excess (e.e.) and chemical purity suitable for demanding synthetic applications. Certificates of Analysis (COA) with detailed chromatographic data are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This compound is light-sensitive and should be stored away from light. Keep away from strong acids and incompatible organic solvents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Chiral Purity (Enantiomeric Excess)	≥ 98.0% e.e.
Melting Point	Contact for details
Loss on Drying	≤ 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.