Description

Benzeneacetic Acid, 4-(2,5-Dihydro-2,5-Dioxo-1H-Pyrrol-1-Yl)-α-Ethyl- is a specialized organic compound featuring a maleimide functional group attached to a phenylacetic acid core. This unique structure makes it a valuable high-purity building block for advanced chemical synthesis. It is primarily sought after by R&D and production teams in the pharmaceutical and fine chemical industries for the development of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring maleimide groups for conjugation or specific biological activity.
• Bioconjugation Reagent: Used in the development of antibody-drug conjugates (ADCs) and other biopharmaceuticals, leveraging the maleimide group's reactivity with thiols.
• Polymer Chemistry: Serves as a functional monomer or cross-linking agent for creating specialty polymers with tailored thermal or mechanical properties.
• Material Science Research: Employed in the development of advanced organic electronic materials, coatings, and adhesives.
• Chemical Synthesis: Acts as a versatile building block for constructing complex heterocyclic compounds and other fine chemicals in research laboratories.
• Agrochemical Development: Potential intermediate in the research and synthesis of new crop protection agents and herbicides.

Basic Information

Item	Details
Product Name	Benzeneacetic Acid, 4-(2,5-Dihydro-2,5-Dioxo-1H-Pyrrol-1-Yl)-α-Ethyl-
CAS No.	1093759-05-7
Molecular Formula	C14H13NO4
Molecular Weight	259.26 g/mol
Synonyms	4-(2,5-Dihydro-2,5-dioxo-1H-pyrrol-1-yl)-α-ethylbenzeneacetic acid; α-Ethyl-4-maleimidophenylacetic acid; 1-[4-(1-Carboxypropyl)phenyl]-1H-pyrrole-2,5-dione; 4-(α-Ethylbenzeneacetic acid)maleimide; N-(4-(1-Carboxypropyl)phenyl)maleimide; 4-(Maleimidophenyl)butyric acid derivative
EINECS	Contact for details

Quality Control

Our Benzeneacetic Acid, 4-(2,5-Dihydro-2,5-Dioxo-1H-Pyrrol-1-Yl)-α-Ethyl- is produced under a strict quality management system. Every batch undergoes rigorous analytical testing including HPLC, NMR, and IR spectroscopy to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical specifications to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); keep the container tightly sealed to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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