Description

2-Pyrrolidinone, 1-Acetyl-5,5-Dimethyl-3-Methylene- (9Ci) is a specialized heterocyclic lactam derivative with a unique functionalized pyrrolidinone core structure. This compound serves as a valuable high-purity chemical intermediate for advanced synthesis, offering a versatile scaffold for constructing complex molecules. It is primarily utilized by pharmaceutical R&D and fine chemical industries for the development of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly those targeting neurological or metabolic pathways.
• Agrochemical Synthesis: Used in the research and development of advanced pesticides and herbicides due to its reactive methylene and carbonyl groups.
• Polymer Science: Acts as a monomer or co-monomer for creating specialty polymers with specific thermal or mechanical properties.
• Ligand and Catalyst Development: Serves as a precursor for synthesizing complex ligands used in asymmetric catalysis and metal-organic frameworks (MOFs).
• Organic Synthesis Research: A versatile reagent for constructing nitrogen-containing heterocycles in academic and industrial research laboratories.
• Material Science: Investigated for use in the development of organic semiconductors and advanced electronic materials.

Basic Information

Item	Details
Product Name	2-Pyrrolidinone, 1-Acetyl-5,5-Dimethyl-3-Methylene- (9Ci)
CAS No.	167281-21-2
Molecular Formula	C9H13NO2
Molecular Weight	167.21 g/mol
Synonyms	1-Acetyl-5,5-dimethyl-3-methylenepyrrolidin-2-one; 5,5-Dimethyl-3-methylene-1-acetyl-2-pyrrolidinone; 3-Methylene-5,5-dimethyl-1-acetyl-2-pyrrolidinone; N-Acetyl-5,5-dimethyl-3-methylenepyrrolidin-2-one; 1-Acetyl-5,5-dimethyl-3-methylenepyrrolidin-2-one (9CI); 2-Pyrrolidinone, 1-acetyl-5,5-dimethyl-3-methylene- (9CI)
EINECS	Contact for details

Quality Control

Our 2-Pyrrolidinone, 1-Acetyl-5,5-Dimethyl-3-Methylene- (9Ci) is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided and available upon request, supporting your regulatory and R&D 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 (typically 15-25°C). Keep away from incompatible materials such as strong oxidizing agents, strong acids, and strong bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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