Description

1,4-(Bis-Cystein-S-Yl)-1,2,3,4-Tetrachloro-1,3-Butadiene is a specialized organosulfur and organochlorine compound that serves as a critical synthetic intermediate and research chemical. Its unique structure, featuring both cysteine-derived thiolate groups and a tetrachlorobutadiene backbone, makes it a valuable precursor for constructing complex molecules and studying reaction mechanisms. This compound is primarily utilized by research institutions and advanced chemical manufacturers in the fields of pharmaceutical development, agrochemical synthesis, and materials science.

Application

• Pharmaceutical Intermediate: Used in the synthesis of novel drug candidates, particularly those targeting cysteine protease enzymes or requiring specific disulfide/disulfide-like linkages.
• Bioconjugation Reagent: Acts as a versatile linker or cross-linking agent for modifying proteins, peptides, and other biomolecules due to its reactive cysteine-compatible and chloro-alkene functionalities.
• Agrochemical Research: Serves as a key building block in the development of new herbicides, fungicides, or plant growth regulators with unique modes of action.
• Polymer & Materials Science: Employed as a monomer or cross-linker for creating specialty polymers with specific sulfur-containing or halogenated properties for advanced material applications.
• Chemical Biology Probe: Utilized in research to study thiol-disulfide exchange reactions, redox biology, and the behavior of complex electrophiles in biological systems.
• Organic Synthesis Building Block: Provides a multifunctional platform for constructing complex heterocycles and other architecturally challenging organic molecules.

Basic Information

Product Name	1,4-(Bis-Cystein-S-Yl)-1,2,3,4-Tetrachloro-1,3-Butadiene
CAS No.	115664-53-4
Molecular Formula	C10H12Cl4N2O4S2
Molecular Weight	428.15 g/mol
Synonyms	1,4-Bis(cystein-S-yl)-1,2,3,4-tetrachloro-1,3-butadiene; 1,2,3,4-Tetrachloro-1,4-bis(2-amino-2-carboxyethylthio)-1,3-butadiene; L-Cysteine, S,S'-(1,2,3,4-tetrachloro-1,3-butadiene-1,4-diyl) ester; Tetrachlorobis(cysteinyl)butadiene; Cysteine-tetrachlorobutadiene adduct; NSC 339586; BCTB (abbrev.)
EINECS	Contact for details

Quality Control

Our production of 1,4-(Bis-Cystein-S-Yl)-1,2,3,4-Tetrachloro-1,3-Butadiene adheres to stringent quality protocols to ensure batch-to-batch consistency and purity for research and synthesis. Each lot undergoes comprehensive analytical characterization, including HPLC for purity assessment and spectroscopic methods (NMR, IR, MS) for structural confirmation. A Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a freezer at -20°C or below under an inert atmosphere for long-term stability. This compound is moisture-sensitive and may degrade upon prolonged exposure to air or elevated temperatures. Allow the sealed container to equilibrate to room temperature before opening to prevent condensation.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.5%

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