Description

Acetoacetic Acid, -γ--Bromo--α--Cyano-, Ethyl Ester (CAS NO 861524-44-9) is a specialized brominated and cyano-functionalized acetoacetate ester, serving as a versatile and high-value synthetic building block. This compound is engineered to introduce multiple reactive handles into molecular frameworks, enabling the synthesis of complex heterocycles and fine chemicals. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical and agrochemical industries for constructing advanced intermediates.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of active pharmaceutical ingredients (APIs), particularly those containing heterocyclic cores like pyrazoles and pyrimidines.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and insecticides, leveraging its reactive bromo and cyano groups for structural diversification.
• Fine Chemical Production: Serves as a precursor for dyes, pigments, and functional materials requiring specific bromo- and cyano-substituted structures.
• Academic & Industrial Research: A valuable reagent in method development and exploration of new multicomponent reactions and cyclization pathways.
• Chemical Library Development: Employed in combinatorial chemistry and high-throughput screening for generating diverse compound libraries with potential biological activity.

Basic Information

Product Name	Acetoacetic Acid, -γ--Bromo--α--Cyano-, Ethyl Ester
CAS No.	861524-44-9
Molecular Formula	C7H8BrNO3
Molecular Weight	234.05 g/mol
Synonyms	Ethyl 2-Bromo-2-cyanoacetoacetate; Ethyl (Bromocyano)acetoacetate; 2-Bromo-2-cyano-3-oxobutanoic Acid Ethyl Ester; γ-Bromo-α-cyanoacetoacetic Acid Ethyl Ester; Bromocyanoacetoacetic Acid Ethyl Ester; Acetoacetic Acid Ethyl Ester, Bromocyano Derivative; Ethyl α-Bromo-α-cyanoacetoacetate
EINECS	Contact for details

Quality Control

Every batch of Acetoacetic Acid, -γ--Bromo--α--Cyano-, Ethyl Ester is produced and tested under a strict quality management system. We provide comprehensive analytical data to ensure consistency and purity for your critical synthesis workflows. A Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is supplied with each shipment, supporting compliance with cGMP and ISO 9001 standards where required.

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). Due to its light-sensitive nature, the container should be kept in secondary packaging or amber glass. Keep away from strong bases and incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 3.0%

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