Description

Cyclopropanecarboxylic Acid, 2-[(4-Methylphenyl)Ethynyl]-, trans- (9Ci) is a specialized organic building block featuring a cyclopropane ring and a phenylacetylene moiety, making it a valuable intermediate for advanced chemical synthesis. Its unique trans-configured structure is critical for applications requiring precise stereochemistry and molecular geometry. This high-purity compound is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries developing novel active ingredients.

Application

• Pharmaceutical Intermediate: Serves as a key chiral synthon in the research and development of new drug candidates, particularly for creating molecules with specific three-dimensional configurations.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides where the cyclopropane structure contributes to biological activity.
• Ligand and Catalyst Development: Acts as a precursor for creating specialized ligands used in asymmetric catalysis and material science.
• Organic Electronic Materials: Investigated as a building block for novel organic semiconductors and light-emitting materials due to its conjugated system.
• Chemical Research: Employed in academic and industrial R&D for studying cyclopropane chemistry and developing new synthetic methodologies.
• Fine Chemical Production: Utilized in the multi-step synthesis of complex, high-value specialty chemicals.

Basic Information

Item	Details
Product Name	Cyclopropanecarboxylic Acid, 2-[(4-Methylphenyl)Ethynyl]-, trans- (9Ci)
CAS No.	774125-38-1
Molecular Formula	C13H12O2
Molecular Weight	200.23 g/mol
Synonyms	trans-2-[(4-Methylphenyl)ethynyl]cyclopropanecarboxylic acid; (1R,2S)-rel-2-[(4-Methylphenyl)ethynyl]cyclopropanecarboxylic acid; 2-(p-Tolylethynyl)cyclopropanecarboxylic acid (trans-); 774125-38-1; (1R,2S)-2-[(4-Methylphenyl)ethynyl]cyclopropanecarboxylic acid; Cyclopropanecarboxylic acid, 2-[(4-methylphenyl)ethynyl]-, trans-; 2-(4-Methylphenylethynyl)cyclopropanecarboxylic Acid
EINECS	Contact for details

Quality Control

Our Cyclopropanecarboxylic Acid, 2-[(4-Methylphenyl)Ethynyl]-, trans- (9Ci) is produced under stringent quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC for purity and chiral analysis to confirm stereochemical integrity. We provide a detailed Certificate of Analysis (COA) with each shipment, ensuring traceability and compliance with your research or production specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its nature as a strong acid/organic solvent, keep away from incompatible materials such as bases, oxidizing agents, and amines. For long-term storage, consider an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% trans-isomer
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.