Description

1-Cyclopentene-1-Carboxylic Acid, 3,3,5-Trimethyl- (9Ci) is a specialized, high-purity cyclopentene derivative carboxylic acid that serves as a critical building block in advanced organic synthesis. This compound matters for its unique sterically hindered structure, which provides precise control over reaction pathways and stereochemistry in complex molecule construction. It is primarily needed by research and development chemists in the pharmaceutical and agrochemical industries for creating novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of novel drug candidates, particularly in the development of sterically constrained active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides, where its structure contributes to specific biological activity and environmental stability.
• Ligand & Catalyst Development: Serves as a precursor for creating specialized ligands and organocatalysts used in asymmetric synthesis and metal-catalyzed cross-coupling reactions.
• Material Science Research: Employed in the development of novel polymers and advanced organic materials with tailored thermal and mechanical properties.
• Flavor & Fragrance Chemistry: Acts as a starting material for synthesizing complex, naturally-derived odorants and flavoring agents.
• Academic & Process Research: A valuable reagent for methodological studies in organic chemistry, exploring new cyclization and functionalization reactions.

Basic Information

Product Name	1-Cyclopentene-1-Carboxylic Acid, 3,3,5-Trimethyl- (9Ci)
CAS No.	56850-60-3
Molecular Formula	C9H14O2
Molecular Weight	154.21 g/mol
Synonyms	3,3,5-Trimethyl-1-cyclopentene-1-carboxylic acid; 3,3,5-Trimethylcyclopent-1-ene-1-carboxylic acid; 1-Cyclopentene-1-carboxylic acid, 3,3,5-trimethyl-; NSC 163064; Trimethylcyclopentenecarboxylic acid
EINECS	Contact for details

Quality Control

Our 1-Cyclopentene-1-Carboxylic Acid, 3,3,5-Trimethyl- (9Ci) is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation by IR and NMR. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to support your quality assurance and regulatory documentation needs.

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). Due to its acidic nature, keep away from incompatible materials such as strong bases and oxidizing agents. Handle and store in accordance with good laboratory practices.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.