Description

1-Cyclopropene-1-Carboxylicacid,3,3-Dimethyl-,Ethylester(9Ci) is a specialized cyclopropene derivative, a high-value synthetic intermediate prized for its unique strained-ring structure and reactive carboxylic ester functionality. This compound matters for enabling complex organic synthesis, particularly in the development of novel active pharmaceutical ingredients (APIs) and advanced agrochemicals. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries seeking to build molecular complexity efficiently.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly those requiring a strained cyclopropene ring system for biological activity or as a synthetic handle.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, where the cyclopropene moiety can contribute to unique modes of action.
• Fine Chemical Manufacturing: Serves as a precursor for specialty chemicals, flavors, fragrances, and functional materials requiring precise molecular architecture.
• Academic & Industrial Research: A valuable reagent in methodological chemistry research, including cycloaddition reactions and studies of ring strain reactivity.
• Material Science Precursor: Potential use in the synthesis of monomers or additives for polymers with tailored properties.

Basic Information

Item	Detail
Product Name	1-Cyclopropene-1-Carboxylicacid,3,3-Dimethyl-,Ethylester(9Ci)
CAS No.	180400-03-7
Molecular Formula	C8H12O2
Molecular Weight	140.18 g/mol
Synonyms	Ethyl 3,3-Dimethyl-1-cyclopropene-1-carboxylate; 3,3-Dimethyl-1-cyclopropene-1-carboxylic Acid Ethyl Ester; 1-Cyclopropene-1-carboxylic acid, 3,3-dimethyl-, ethyl ester; Ethyl 3,3-dimethylcycloprop-1-ene-1-carboxylate
EINECS	Contact for details

Quality Control

Our production of 1-Cyclopropene-1-Carboxylicacid,3,3-Dimethyl-,Ethylester(9Ci) adheres to stringent quality protocols to ensure batch-to-batch consistency and reliability for your critical syntheses. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing purity, identity, and impurity profiles. Our quality systems are designed to support cGMP compliance for advanced intermediate applications, ensuring traceability and documentation meet the high standards of the pharmaceutical and agrochemical sectors.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from strong bases and incompatible materials such as strong oxidizing agents. Due to its reactivity, it is recommended to store under an inert atmosphere for long-term stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Purity (GC)	≥ 98.0%
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.