Description

S-(4-Nitrophenyl)Cysteinylglycine Hydrochloride is a specialized, high-purity chemical building block of significant interest in advanced research and development. This compound matters as a key synthetic intermediate, particularly in the preparation of enzyme inhibitors and for studying biochemical pathways related to cysteine proteases. It is primarily needed by pharmaceutical R&D teams, biochemical researchers, and fine chemical manufacturers focused on developing novel therapeutic agents and diagnostic tools.

Application

• Pharmaceutical Intermediate: Critical building block in the synthesis of potential cysteine protease inhibitors for therapeutic development.
• Biochemical Research: Used as a substrate analog or inhibitor in enzymatic studies to investigate protease activity and mechanism.
• Proteomics & Diagnostic Development: Serves as a specialized reagent in the design and testing of assays for detecting specific enzyme activities.
• Peptide Chemistry: Employed in advanced peptide synthesis and modification due to its unique S-(4-nitrophenyl)cysteine moiety.
• Academic Research: Utilized in university and institutional labs for fundamental studies in medicinal chemistry and chemical biology.
• Reference Standard: Sourced as a high-purity compound for analytical method development and validation in QC laboratories.

Basic Information

Product Name	S-(4-Nitrophenyl)Cysteinylglycine Hydrochloride
CAS No.	382631-41-6
Molecular Formula	C11H14N3O5S • HCl
Molecular Weight	349.77 g/mol
Synonyms	S-(4-Nitrophenyl)-L-cysteinylglycine hydrochloride; L-Cysteinylglycine, S-(4-nitrophenyl)-, hydrochloride; (2S)-2-Amino-5-[[(2S)-2-[(carboxymethyl)amino]-2-oxoethyl]-(4-nitrophenyl)sulfanyl]pentanoic acid hydrochloride; S-p-Nitrophenylcysteinylglycine HCl; 382631-41-6; Cysteinylglycine S-(4-nitrophenyl) ether hydrochloride
EINECS	Contact for details

Quality Control

Our S-(4-Nitrophenyl)Cysteinylglycine Hydrochloride is manufactured under strict quality systems to ensure batch-to-batch consistency and high purity, suitable for research and development applications. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. We support compliance with relevant research and development standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (typically 15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled in a dry environment to maintain stability.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC/IR)	Conforms to reference standard
Assay (HPLC)	≥ 95.0%
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 5.0%
Residue on Ignition	≤ 1.0%
Heavy Metals	≤ 20 ppm

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