Description

3-(Triethylammonium)Propyl Methanthiosulfonate Bromide is a specialized quaternary ammonium salt derivative with a reactive methanethiosulfonate group. This compound is valued for its role as a versatile intermediate and reagent in advanced organic synthesis and bioconjugation chemistry. It is primarily utilized by research institutions and industrial R&D departments focused on pharmaceuticals, agrochemicals, and material science.

Application

• Bioconjugation Reagent: Used for site-specific modification of proteins, peptides, and antibodies via disulfide bond formation.
• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of active pharmaceutical ingredients (APIs) and prodrugs.
• Polymer Modification: Employed to introduce functional thiol-reactive groups into polymer chains for advanced material development.
• Crosslinking Agent: Facilitates the creation of crosslinked networks in hydrogels and other polymeric materials.
• Surface Functionalization: Used to modify surfaces (e.g., gold, silica) for biosensor and diagnostic device fabrication.
• Chemical Biology Research: A critical tool for studying protein structure, function, and interactions through covalent labeling.

Basic Information

Product Name	3-(Triethylammonium)Propyl Methanthiosulfonate Bromide
CAS No.	219789-15-8
Molecular Formula	C11H26BrNO2S2
Molecular Weight	340.36 g/mol
Synonyms	MTSET Bromide; [2-(Triethylammonio)ethyl] methanethiosulfonate bromide; (3-(Triethylammonio)propyl) methanethiosulfonate bromide; Methanethiosulfonic acid S-[3-(triethylammonio)propyl] ester bromide; MTSPT Bromide; 3-(Triethylammonio)propyl methanethiosulfonate bromide; S-[3-(Triethylammonio)propyl] methanethiosulfonate bromide
EINECS	Contact for details

Quality Control

Our 3-(Triethylammonium)Propyl Methanthiosulfonate Bromide is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via NMR and IR spectroscopy. Certificates of Analysis (COA) detailing all specifications are provided to ensure traceability and compliance with your research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 2-8°C. This product is hygroscopic (moisture-sensitive) and should be handled under anhydrous conditions to maintain stability. Keep the container tightly sealed in a desiccator when not in use.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%

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