Description

S-4-Bromobutyl Ethanethioate is a versatile organosulfur and organobromine compound, serving as a critical bifunctional building block in advanced organic synthesis. Its molecular structure, featuring both a reactive bromoalkyl group and a protected thiol (as a thioacetate), makes it invaluable for constructing complex molecules with specific sulfur-containing functionalities. This high-purity intermediate is essential for researchers and process chemists in the pharmaceutical, agrochemical, and materials science industries who require reliable, high-quality raw materials for developing new active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of thiol-containing drug candidates, including protease inhibitors and other bioactive molecules.
• Agrochemical Synthesis: Used in the production of novel pesticides and herbicides where the sulfur moiety is integral to biological activity.
• Polymer & Material Science: Serves as a monomer or cross-linking agent for synthesizing specialty polymers with tailored properties, such as self-healing materials or polymers with specific adhesion profiles.
• Ligand & Catalyst Preparation: Employed in the development of sulfur-based ligands for metal catalysis and in the functionalization of surfaces or nanoparticles.
• Chemical Biology & Bioconjugation: Useful as a reagent for introducing sulfhydryl groups or creating cleavable linkers in probe and antibody-drug conjugate (ADC) development.
• Fine Chemical Synthesis: A versatile reagent for introducing the 4-bromobutylthio moiety into complex organic frameworks in multi-step synthesis.

Basic Information

Product Name	S-4-Bromobutyl Ethanethioate
CAS No.	14475-59-3
Molecular Formula	C6H11BrOS
Molecular Weight	211.12 g/mol
Synonyms	4-Bromobutyl thioacetate; 1-Bromo-4-(acetylthio)butane; S-(4-Bromobutyl) ethanethioate; Thioacetic acid S-(4-bromobutyl) ester; Acetyl (4-bromobutyl) sulfide; 4-Bromobutyl thiolacetate; Ethanethioic acid, S-(4-bromobutyl) ester
EINECS	Contact for details

Quality Control

Our S-4-Bromobutyl Ethanethioate is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and consistent performance. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with each shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). Keep away from strong acids and incompatible materials such as strong oxidizing agents. The compound is compatible with standard organic solvents but should be handled in accordance with good laboratory practices for moisture-sensitive materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC/GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index	Contact for details
Density	Contact for details

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