Description

Ethenone, (1-Methyl-2-Pyrrolidinylidene)- (9Ci) is a specialized heterocyclic ketene derivative, a versatile building block in advanced organic synthesis. Its unique structure makes it a valuable intermediate for constructing complex nitrogen-containing heterocycles, which are core scaffolds in numerous active pharmaceutical ingredients (APIs). This high-purity compound is essential for research and development chemists and process engineers in the pharmaceutical, agrochemical, and fine chemical industries seeking to develop novel compounds with enhanced biological activity.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of complex nitrogen heterocycles for potential drug candidates targeting central nervous system (CNS) disorders, inflammation, and infectious diseases.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and insecticides, leveraging its reactivity to create new active ingredients.
• Fine Chemical Production: Serves as a building block for synthesizing specialty chemicals, dyes, pigments, and advanced materials requiring specific heterocyclic frameworks.
• Academic & Industrial R&D: A valuable reagent for methodological studies in organic chemistry, particularly in ketene chemistry and cycloaddition reactions.
• Ligand and Catalyst Development: Potential use in the preparation of novel ligands for metal catalysis or as a precursor for organocatalysts.

Basic Information

Product Name	Ethenone, (1-Methyl-2-Pyrrolidinylidene)- (9Ci)
CAS No.	104165-17-5
Molecular Formula	C7H9NO
Molecular Weight	123.15 g/mol
Synonyms	1-Methyl-2-pyrrolidinylideneethenone; 2-(1-Methyl-2-pyrrolidinylidene)ethenone; Ketene, (1-methyl-2-pyrrolidinylidene)-; (1-Methyl-2-pyrrolidinylidene)ketene
EINECS	Contact for details

Quality Control

Our Ethenone, (1-Methyl-2-Pyrrolidinylidene)- (9Ci) is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, GC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide detailed Certificates of Analysis (COA) with every shipment, confirming compliance with agreed specifications. Our quality commitment supports applications requiring high standards, including cGMP intermediates for pharmaceutical development.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (typically 15-25°C). This compound may be sensitive to moisture and air; for long-term storage, consider under an inert atmosphere. Keep away from strong oxidizing agents, strong acids, and strong bases.

Specification

Item	Specification
Appearance	White to off-white solid or low-melting solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.