Description

Thiosulfuric Acid S-(4-Guanidinobutyl) Ester is a specialized organosulfur compound featuring a reactive thiosulfate ester group linked to a guanidinobutyl moiety. This unique structure makes it a valuable intermediate for synthesizing compounds with potential biological activity, particularly in pharmaceutical research and development. It is primarily sought by research chemists and process development scientists in the life sciences sector for creating novel drug candidates and biochemical probes.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel therapeutic agents, particularly those targeting enzyme inhibition or protein-protein interactions.
• Bioconjugation Reagent: Used in the modification of peptides, proteins, or other biomolecules to introduce functional handles or study biochemical pathways.
• Chemical Biology Research: Serves as a tool compound for investigating sulfur-based metabolic processes and designing activity-based probes.
• Agrochemical Development: Potential intermediate in the research and synthesis of new crop protection agents with unique modes of action.
• Material Science Precursor: Can be utilized in the development of specialty polymers or functionalized surfaces requiring specific sulfur-containing groups.

Basic Information

Product Name	Thiosulfuric Acid S-(4-Guanidinobutyl) Ester
CAS No.	22059-42-3
Molecular Formula	C5H13N3O3S2
Molecular Weight	227.31 g/mol
Synonyms	S-(4-Guanidinobutyl) Thiosulfate; 4-Guanidinobutyl Thiosulfate; 4-Guanidinobutylthiosulfuric Acid; Thiosulfuric Acid Mono(4-guanidinobutyl) Ester; 1-(4-Thiosulfobutyl)guanidine; Guanidinobutyl Thiosulfate Ester; (4-Guanidinobutyl) Hydrogen Thiosulfate
EINECS	Contact for details

Quality Control

We maintain stringent quality control protocols for our high-purity chemical intermediates. Production follows current Good Manufacturing Practice (cGMP) principles where applicable, and each batch is analyzed to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing specifications such as assay (HPLC), identity (IR, NMR), and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Purity (HPLC, Area%)	≥ 97.0%
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.