Description

2-Pyrrolidinone,3-(1-Methylethylidene)-(9Ci) is a specialized heterocyclic compound with a CAS registry number of 261379-19-5. This chemical serves as a valuable intermediate and building block in advanced organic synthesis, offering unique reactivity due to its pyrrolidinone core and isopropylidene substituent. It is primarily sought by research and development chemists and process engineers in the pharmaceutical and agrochemical industries for the development of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of complex drug molecules, particularly those targeting neurological and metabolic disorders.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides, herbicides, and plant growth regulators.
• Fine Chemical Production: Serves as a precursor for specialty chemicals, including dyes, pigments, and performance materials.
• Polymer Chemistry: Potential monomer or modifier in the development of specialty polymers with enhanced thermal or mechanical properties.
• Ligand and Catalyst Development: Utilized in organometallic chemistry for creating novel ligands and catalytic systems.
• Academic and Industrial R&D: A critical reagent for method development and exploratory synthesis in chemical research laboratories.

Basic Information

Product Name	2-Pyrrolidinone,3-(1-Methylethylidene)-(9Ci)
CAS No.	261379-19-5
Molecular Formula	C7H11NO
Molecular Weight	125.17 g/mol
Synonyms	3-Isopropylidene-2-pyrrolidinone; 3-(Propan-2-ylidene)pyrrolidin-2-one; 3-(1-Methylethylidene)-2-pyrrolidinone; 3-Isopropylidenepyrrolidin-2-one; 2-Pyrrolidinone, 3-(1-methylethylidene)-; 261379-19-5; 3-(Propan-2-ylidene)pyrrolidin-2-one
EINECS	Contact for details

Quality Control

Our 2-Pyrrolidinone,3-(1-Methylethylidene)-(9Ci) is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide full traceability and detailed Certificates of Analysis (COA) for every shipment, confirming compliance with agreed specifications. Our quality commitment supports applications requiring high-purity intermediates for GMP and non-GMP synthesis.

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 incompatible materials such as strong oxidizing agents. For long-term storage, consider maintaining the material under an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (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.