Description

2,3-Dibromo-4-Oxo-But-2-Enoic Acid CAS NO 21577-50-4 is a specialized brominated organic acid derivative characterized by its reactive α,β-unsaturated carbonyl and dibromo functional groups. This compound serves as a versatile and valuable chemical building block and reactive intermediate for advanced organic synthesis. It is primarily required by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring brominated heterocycles or specific stereocenters.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and plant growth regulators, leveraging its reactive sites for molecular diversification.
• Organic Synthesis Building Block: Employed in Michael addition reactions, nucleophilic substitutions, and cyclization reactions to create complex organic molecules for research and scale-up.
• Material Science Research: Acts as a monomer or cross-linking agent in the development of specialized polymers and functional materials.
• Chemical Biology Probe Development: Useful for synthesizing activity-based probes or inhibitors that target specific enzymes or biological pathways.
• Dyestuff and Pigment Intermediate: Serves in the synthesis of bromine-containing dyes and high-performance pigments.

Basic Information

Product Name	2,3-Dibromo-4-Oxo-But-2-Enoic Acid
CAS No.	21577-50-4
Molecular Formula	C4H2Br2O3
Molecular Weight	257.87 g/mol
Synonyms	2,3-Dibromo-4-oxobut-2-enoic acid; (E)-2,3-Dibromo-4-oxobut-2-enoic acid; 4-Oxo-2,3-dibromo-2-butenoic acid; 2-Butenoic acid, 2,3-dibromo-4-oxo-; NSC 403079; α,β-Dibromoacetoacetic acid; Dibromodehydroacetic acid
EINECS	Contact for details

Quality Control

Our 2,3-Dibromo-4-Oxo-But-2-Enoic Acid is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure high purity and consistent performance as a synthesis intermediate. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing purity, identity, and impurity profiles. Our quality commitment supports compliance with cGMP and ISO standards for research and development applications.

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). Due to its nature as a strong acid/organic solvent, keep away from incompatible materials such as bases, reducing agents, and amines. For long-term storage, consider inert atmosphere conditions to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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