Description

(Z)-2,3-Dibromo-4-Oxo-2-Butenoic Acid Methyl Ester is a high-purity, specialized brominated organic building block. This compound is valued for its unique electrophilic alkene structure, making it a versatile intermediate in advanced synthetic chemistry. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Key synthon for the synthesis of heterocyclic compounds and active pharmaceutical ingredients (APIs) with potential biological activity.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and plant growth regulators.
• Material Science Research: Serves as a precursor for functionalized monomers or polymers with specific electronic or optical properties.
• Organic Synthesis Building Block: Employed in Michael addition reactions, nucleophilic substitution, and cyclization reactions to introduce bromine and carbonyl functionality.
• Cross-Coupling Reactions: Potential substrate for palladium-catalyzed reactions like Suzuki or Heck couplings after further functionalization.
• Academic & Industrial R&D: Essential reagent for methodological studies and exploring new synthetic pathways in chemistry laboratories.

Basic Information

Product Name	(Z)-2,3-Dibromo-4-Oxo-2-Butenoic Acid Methyl Ester
CAS No.	23017-73-4
Molecular Formula	C5H4Br2O3
Molecular Weight	271.89 g/mol
Synonyms	Methyl (Z)-2,3-dibromo-4-oxobut-2-enoate; Methyl 2,3-dibromo-4-oxo-2-butenoate; 2-Butenoic acid, 2,3-dibromo-4-oxo-, methyl ester, (Z)-; 2,3-Dibromomaleic Acid Methyl Ester (common name); Methyl (Z)-α,β-dibromoacetoacetate; Dibromodehydroacetic Acid Methyl Ester; Methyl (Z)-2,3-dibromomaleate
EINECS	Contact for details

Quality Control

Our (Z)-2,3-Dibromo-4-Oxo-2-Butenoic Acid Methyl Ester is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications.

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). Keep away from heat, sparks, and open flame. This material is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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