Description

(E)-4-Bromo-3-(2-Chloro-Phenoxy)-But-2-Enoic Acid Ethyl Ester is a high-purity, synthetic organic intermediate of significant importance in advanced chemical synthesis. This compound is valued for its unique molecular scaffold, which incorporates bromo, chloro-phenoxy, and ester functionalities, making it a versatile building block for constructing complex molecules. It is primarily sought after by research institutions and pharmaceutical development companies engaged in the creation of novel active pharmaceutical ingredients (APIs) and agrochemicals.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting specific enzyme inhibitors or receptor modulators.
• Agrochemical Research: Serves as a building block for developing new herbicides, fungicides, or plant growth regulators with tailored activity.
• Chemical Synthesis: Used in organic chemistry research for cross-coupling reactions, ester transformations, and the construction of complex heterocyclic systems.
• Material Science: Potential intermediate for synthesizing specialty monomers or ligands used in advanced polymeric materials or catalysts.

Basic Information

Product Name	(E)-4-Bromo-3-(2-Chloro-Phenoxy)-But-2-Enoic Acid Ethyl Ester
CAS No.	1191997-60-0
Molecular Formula	C₁₂H₁₂BrClO₃
Molecular Weight	319.58 g/mol
Synonyms	Ethyl (E)-4-Bromo-3-(2-chlorophenoxy)but-2-enoate; 4-Bromo-3-(2-chloro-phenoxy)-but-2-enoic Acid Ethyl Ester; 2-Butenoic acid, 4-bromo-3-(2-chlorophenoxy)-, ethyl ester, (E)-; Ethyl 4-bromo-3-(2-chlorophenoxy)-2-butenoate; (E)-Ethyl 4-bromo-3-(o-chlorophenoxy)crotonate; 1191997-60-0; But-2-enoic acid, 4-bromo-3-(2-chlorophenoxy)-, ethyl ester, (E)-
EINECS	Contact for details

Quality Control

Our production of (E)-4-Bromo-3-(2-Chloro-Phenoxy)-But-2-Enoic Acid Ethyl Ester adheres to stringent internal quality standards to ensure batch-to-batch consistency and high chemical purity. Each lot is characterized using advanced analytical techniques including HPLC, GC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your research and development requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider storing under an inert atmosphere to maintain optimal stability.

Specification

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