Description

Cyclopropanecarboxylic Acid, 1-(1-Butynyl)-, Methyl Ester (9Ci) is a specialized organic ester compound characterized by its unique cyclopropane and alkyne functional groups. This structure makes it a valuable synthetic intermediate for constructing complex molecular architectures in advanced chemical synthesis. It is primarily sought by research and development chemists in the pharmaceutical and agrochemical industries for use in process chemistry and the development of novel active ingredients.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of novel drug candidates, particularly those requiring cyclopropane rings for bioactivity or metabolic stability.
• Agrochemical Synthesis: Used in the research and development of new pesticides and herbicides, where its structural motifs can contribute to unique modes of action.
• Material Science Research: Acts as a precursor for specialty monomers or ligands in the development of advanced polymers and functional materials.
• Organic Synthesis Reagent: Employed in academic and industrial R&D for cyclopropanation reactions, cross-coupling, and as a scaffold for library synthesis in medicinal chemistry.

Basic Information

Product Name	Cyclopropanecarboxylic Acid, 1-(1-Butynyl)-, Methyl Ester (9Ci)
CAS No.	60042-80-0
Molecular Formula	C9H12O2
Molecular Weight	152.19 g/mol
Synonyms	1-(1-Butynyl)cyclopropanecarboxylic acid methyl ester; Methyl 1-(1-butyn-1-yl)cyclopropanecarboxylate; Methyl 1-(but-1-yn-1-yl)cyclopropanecarboxylate; 1-But-1-ynylcyclopropanecarboxylic acid methyl ester; Cyclopropanecarboxylic acid, 1-(1-butynyl)-, methyl ester; Methyl 1-(but-1-ynyl)cyclopropanecarboxylate
EINECS	Contact for details

Quality Control

Our production of Cyclopropanecarboxylic Acid, 1-(1-Butynyl)-, Methyl Ester (9Ci) adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing specific results for all critical parameters are provided with every shipment to guarantee traceability and compliance with your research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider maintaining under an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 95.0% (Research Grade)
Water Content (KF)	≤ 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.