Description

2-Pyrrolidinone,3-Methyl-4,5-Bis(Methylene)-(9Ci) is a specialized heterocyclic organic compound with the CAS number 89267-99-2, serving as a valuable building block in advanced chemical synthesis. Its unique bicyclic structure, featuring a pyrrolidinone core with exocyclic methylene groups, makes it a critical intermediate for creating complex molecular architectures. This compound is primarily sought after by research institutions and industrial R&D departments focused on developing novel pharmaceuticals, agrochemicals, and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of complex drug candidates, particularly those targeting neurological and oncological pathways.
• Agrochemical Research: Used in developing new active ingredients for crop protection agents, leveraging its reactive sites for structural diversification.
• Organic Synthesis Building Block: Serves as a versatile scaffold for constructing nitrogen-containing heterocycles in academic and industrial research.
• Material Science: Potential monomer or cross-linking agent in the development of specialty polymers with tailored properties.
• Ligand Synthesis: Intermediate for creating novel chelating agents and catalysts used in asymmetric synthesis.

Basic Information

Product Name	2-Pyrrolidinone,3-Methyl-4,5-Bis(Methylene)-(9Ci)
CAS No.	89267-99-2
Molecular Formula	C8H11NO
Molecular Weight	137.18 g/mol
Synonyms	3-Methyl-4,5-bis(methylene)-2-pyrrolidinone; 3-Methyl-4,5-methylenepyrrolidin-2-one; 4,5-Bis(methylene)-3-methyl-2-pyrrolidinone; 2-Pyrrolidinone, 3-methyl-4,5-bis(methylene)- (9CI); 3-Methyl-4,5-dihydro-1H-pyrrole-2,5-dione (tautomeric form considered)
EINECS	Contact for details

Quality Control

Our 2-Pyrrolidinone,3-Methyl-4,5-Bis(Methylene)-(9Ci) is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity for research applications. While typically supplied in research-grade purity (≥95% by HPLC), specifications can be customized. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong oxidizing agents. For long-term storage, consider maintaining the material under an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%

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