Description

Benzyl 4-Bromobutanoate is a versatile organic building block and ester derivative of 4-bromobutanoic acid. This compound is valued for its reactive bromoalkyl chain and benzyl protecting group, making it a critical intermediate in multi-step synthetic pathways. It is primarily utilized by researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for constructing complex molecules, including active pharmaceutical ingredients (APIs) and advanced materials.

Application

• Pharmaceutical Intermediate: Key synthon in the synthesis of various drug candidates and active pharmaceutical ingredients (APIs), particularly those requiring a functionalized butanoate moiety.
• Agrochemical Synthesis: Used as a precursor in the development of herbicides, fungicides, and other crop protection agents.
• Organic Synthesis Building Block: Serves as a versatile reagent for alkylation reactions, nucleophilic substitutions, and the introduction of the 4-bromobutyl group into target molecules.
• Liquid Crystal & Polymer Chemistry: Employed in the research and production of specialty polymers and liquid crystal materials where specific ester linkages are required.
• Peptide & Protein Modification: Can be used to introduce hydrophobic or reactive handles onto biomolecules for research and diagnostic applications.
• Flavor & Fragrance Industry: Potential intermediate in the synthesis of complex ester-based aroma compounds.

Basic Information

Product Name	Benzyl 4-Bromobutanoate
CAS No.	126430-46-4
Molecular Formula	C11H13BrO2
Molecular Weight	257.12 g/mol
Synonyms	4-Bromobutanoic Acid Benzyl Ester; Benzyl 4-Bromobutyrate; Butanoic Acid, 4-Bromo-, Phenylmethyl Ester; 4-Bromobutyric Acid Benzyl Ester; NSC 403119; Phenylmethyl 4-Bromobutanoate; γ-Bromobutyric Acid Benzyl Ester
EINECS	Contact for details

Quality Control

Our Benzyl 4-Bromobutanoate is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, GC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with every shipment, confirming compliance with customer specifications and relevant industry standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong bases and incompatible materials. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 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.