Description

L-Cysteine, S-Ethyl-n-(1-Nitro-9-Acridinyl)-, Methyl Ester, Monohydroc Hloride CAS NO 83550-93-0 is a specialized, high-purity derivative of L-cysteine, modified with an acridinyl fluorophore group. This compound is engineered for advanced research and development, offering a unique chemical handle for labeling and detection applications. It is primarily utilized by pharmaceutical researchers, diagnostic developers, and academic institutions working on protein chemistry, bio-conjugation, and fluorescence-based assays.

Application

• Bioconjugation & Protein Labeling: Acts as a reactive thiol-specific fluorescent probe for tagging proteins, peptides, and antibodies.
• Biochemical Research: Used as a key intermediate or reagent in the study of enzyme mechanisms, protein structure, and cellular processes.
• Diagnostic Assay Development: Serves as a critical component in developing sensitive fluorescence-based diagnostic kits and biosensors.
• Pharmaceutical R&D: Employed in drug discovery programs for target identification, ligand binding studies, and molecular imaging.
• Material Science: Potential use in creating functionalized surfaces or smart materials with specific optical properties.

Basic Information

Item	Details
Product Name	L-Cysteine, S-Ethyl-n-(1-Nitro-9-Acridinyl)-, Methyl Ester, Monohydroc Hloride
CAS No.	83550-93-0
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	S-Ethyl-N-(1-nitro-9-acridinyl)-L-cysteine methyl ester hydrochloride; L-Cysteine, S-ethyl-N-(1-nitro-9-acridinyl)-, methyl ester, monohydrochloride; 1-Nitro-9-acridinyl cysteine derivative; Acridinyl-cysteine fluorescent probe; Fluorescent thiol labeling reagent
EINECS	Contact for details

Quality Control

Our production of this high-grade biochemical adheres to stringent quality protocols. Every batch is characterized and tested to ensure identity, purity, and consistency suitable for sensitive research applications. A comprehensive Certificate of Analysis (COA) detailing purity (typically by HPLC), spectral data (NMR, MS), and other critical parameters is provided with each shipment to support your quality assurance and regulatory documentation.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled in a dry environment to prevent degradation. For long-term stability, consider storage under inert atmosphere or desiccant.

Specification

Item	Specification
Appearance	Yellow to orange solid
Identification (HPLC/MS)	Conforms to structure
Purity (HPLC)	≥ 95%
Water Content (KF)	≤ 5.0%
Heavy Metals	≤ 20 ppm

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