Description

4-(2-Aminoethyl)-5-(L-Cysteine-S-Yl)-1,2-Benzenediol is a specialized catechol derivative with a unique structure incorporating both aminoethyl and L-cysteine substituents. This compound is valued for its dual functionality, offering reactive sites for conjugation and potential antioxidant properties, making it a critical intermediate in advanced research and development. It is primarily sought by researchers and manufacturers in the pharmaceutical, biotechnology, and advanced materials sectors for applications in drug discovery, biochemical probes, and polymer synthesis.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of novel drug candidates, particularly those targeting neurological or antioxidant pathways.
• Biochemical Research: Used as a precursor or conjugation agent for developing fluorescent probes, enzyme inhibitors, and other research tools.
• Polymer Chemistry: Acts as a functional monomer or cross-linking agent for creating specialty polymers with specific redox or adhesive properties.
• Cosmetic & Skincare R&D: Investigated for potential use in formulations due to its catechol structure, which is associated with antioxidant and skin-conditioning effects.
• Chelating Agent Synthesis: Utilized in the development of novel chelators for metal ions, relevant in both medical and industrial processes.

Basic Information

Product Name	4-(2-Aminoethyl)-5-(L-Cysteine-S-Yl)-1,2-Benzenediol
CAS No.	102512-09-4
Molecular Formula	C11H16N2O3S
Molecular Weight	256.32 g/mol
Synonyms	5-(L-Cystein-S-yl)-4-(2-aminoethyl)benzene-1,2-diol; 4-(2-Aminoethyl)-5-(L-cysteinyl)-1,2-benzenediol; 1,2-Benzenediol, 4-(2-aminoethyl)-5-(L-cysteine-S-yl)-; L-Cysteine, S-[4-(2-aminoethyl)-3,4-dihydroxyphenyl]-; (2R)-2-Amino-3-[[4-(2-aminoethyl)-3,5-dihydroxyphenyl]sulfanyl]propanoic acid; Cysteinyldopamine derivative; Aminoethylcysteinyldihydroxybenzene
EINECS	Contact for details

Quality Control

Our 4-(2-Aminoethyl)-5-(L-Cysteine-S-Yl)-1,2-Benzenediol is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the high standards required for research and development. Certificates of Analysis (COA) with detailed specifications are provided for every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Due to its hygroscopic and easily oxidized nature, it is recommended to store the product under an inert atmosphere (e.g., nitrogen or argon) for long-term stability and to minimize moisture uptake.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 2.0%
Heavy Metals	≤ 20 ppm
Residual Solvents (GC)	Complies with ICH guidelines

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