Description

n-Methylmaleimide CAS NO 930-88-1 is a versatile heterocyclic organic compound featuring a reactive maleimide core substituted with a methyl group. This structure makes it a valuable building block and intermediate in advanced organic synthesis, particularly for creating polymers, pharmaceuticals, and specialty chemicals. It is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and polymer industries seeking to develop new materials or active compounds through Michael addition or other conjugation chemistries.

Application

• Pharmaceutical Intermediate: Key synthon for the development of novel active pharmaceutical ingredients (APIs), especially in anticancer and anti-inflammatory drug research.
• Polymer Science: Monomer for the synthesis of functional polymers, polyimides, and heat-resistant resins with tailored properties.
• Bioconjugation & Protein Labeling: Used to modify proteins, peptides, and antibodies via thiol-Michael addition reactions for diagnostic and therapeutic applications.
• Agrochemical Synthesis: Intermediate in the production of advanced pesticides and herbicides.
• Crosslinking Agent: Employed in the formulation of coatings, adhesives, and elastomers to enhance durability and performance.
• Material Science Research: Building block for organic electronic materials, such as semiconductors and light-emitting diodes (OLEDs).

Basic Information

Product Name	n-Methylmaleimide
CAS No.	930-88-1
Molecular Formula	C5H5NO2
Molecular Weight	111.10 g/mol
Synonyms	1-Methyl-1H-pyrrole-2,5-dione; N-Methylmaleimide; Methylmaleimide; Maleic acid N-methylimide; 2,5-Pyrroledione, 1-methyl-; N-Methylmaleic imide; 1-Methylpyrrole-2,5-dione
EINECS	213-226-0

Quality Control

Our n-Methylmaleimide is produced under stringent quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC for assay and purity, residual solvent analysis, and identity confirmation via FT-IR and NMR. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product stability and performance.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Melting Point	93 - 97 °C
Loss on Drying	≤ 1.0%
Residual Solvents (GC)	Meets ICH guidelines

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