Description

Cyclopropanecarboxylic Acid, 2,2-Dimethylpropyl Ester (9Ci) is a specialized organic ester compound with the CAS number 404952-79-0, valued for its unique cyclopropane ring structure which imparts specific steric and electronic properties. This compound serves as a crucial advanced intermediate in the synthesis of complex molecules, particularly within pharmaceutical and agrochemical research. It is primarily sought by R&D chemists and process development scientists working on novel active ingredients, where its distinct framework is leveraged to modulate biological activity and physicochemical characteristics.

Application

• Pharmaceutical Intermediate: A key building block in the research and development of new drug candidates, particularly those targeting central nervous system (CNS) disorders or anti-infective agents.
• Agrochemical Synthesis: Used in the creation of novel pesticides and herbicides, where the cyclopropane moiety can enhance stability and efficacy.
• Ligand and Catalyst Development: Serves as a precursor for specialized ligands in asymmetric catalysis or as a component in organometallic complexes.
• Material Science Research: Employed in the synthesis of monomers or additives designed to impart specific rigidity or reactivity into polymers.
• Flavor & Fragrance Chemistry: Potential use as an intermediate for synthesizing unique ester-based aroma chemicals.
• Academic & Industrial R&D: A valuable reagent for methodological studies and exploring new chemical spaces in synthetic organic chemistry.

Basic Information

Product Name	Cyclopropanecarboxylic Acid, 2,2-Dimethylpropyl Ester (9Ci)
CAS No.	404952-79-0
Molecular Formula	C9H16O2
Molecular Weight	156.22 g/mol
Synonyms	Neopentyl Cyclopropanecarboxylate; 2,2-Dimethylpropyl Cyclopropanecarboxylate; Cyclopropanecarboxylic Acid Neopentyl Ester; Cyclopropanecarboxylic Acid, Neopentyl Ester; 404952-79-0; Neopentyl Cyclopropanecarboxylate; 2,2-Dimethyl-1-propyl Cyclopropanecarboxylate
EINECS	Contact for details

Quality Control

We maintain a strict quality management system to ensure batch-to-batch consistency and high purity for research and development applications. Our products undergo rigorous quality testing, including chromatographic purity analysis and identity confirmation. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment and is available upon request to support your regulatory and R&D documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (typically 15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases. For long-term storage under inert atmosphere, please contact us for specific recommendations.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0% (Area %)
Water Content (KF)	≤ 0.5%
Specific Gravity (20°C)	0.92 - 0.96
Refractive Index (20°C)	1.425 - 1.435

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