Description

1-Cyclopropene-1-Carboxylicacid,2,3,3-Trimethyl-,Ethylester(9Ci) is a specialized cyclopropene derivative, a class of compounds known for their unique strained-ring structure and reactivity. This high-purity intermediate is critical for advanced organic synthesis, particularly in the development of novel active pharmaceutical ingredients (APIs) and fine chemicals. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, especially those requiring a strained cyclopropene ring system for biological activity.
• Agrochemical Synthesis: Used in the research and development of new-generation pesticides and herbicides where the cyclopropene moiety can impart specific modes of action.
• Fine Chemical Production: Serves as a versatile precursor for creating complex, high-value specialty chemicals used in electronics, coatings, and catalysis.
• Academic & Industrial Research: A valuable reagent for methodological studies in organic chemistry, including cycloaddition reactions and ring-opening polymerizations.
• Material Science: Investigated for the development of novel polymers and functional materials with unique properties derived from the strained alkene.

Basic Information

Product Name	1-Cyclopropene-1-Carboxylicacid,2,3,3-Trimethyl-,Ethylester(9Ci)
CAS No.	180400-04-8
Molecular Formula	C9H14O2
Molecular Weight	154.21 g/mol
Synonyms	Ethyl 2,3,3-Trimethyl-1-cyclopropene-1-carboxylate; 2,3,3-Trimethyl-1-cyclopropene-1-carboxylic Acid Ethyl Ester; 1-Cyclopropenecarboxylic acid, 2,3,3-trimethyl-, ethyl ester; Ethyl trimethylcyclopropenecarboxylate
EINECS	Contact for details

Quality Control

Our production of 1-Cyclopropene-1-Carboxylicacid,2,3,3-Trimethyl-,Ethylester(9Ci) adheres to stringent internal quality standards to ensure batch-to-batch consistency and high purity for research and scale-up applications. All batches are analyzed via modern chromatographic and spectroscopic techniques. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated area. Recommended storage temperature is 2-8°C for long-term stability. Allow the sealed container to reach ambient temperature before opening to minimize moisture ingress.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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