Description

N,N'-Bis(2,4-Dinitrophenyl)-L-Cysteine is a specialized, high-purity chemical derivative of the amino acid L-cysteine, featuring two 2,4-dinitrophenyl protecting groups. This compound is valued for its role as a key synthetic intermediate and a reagent in advanced organic and peptide chemistry research. It is primarily utilized by research institutions and pharmaceutical development laboratories engaged in the synthesis of complex molecules, the study of enzyme inhibition, and the development of novel biochemical probes.

Application

• Pharmaceutical Research & Development: Serves as a crucial building block or protecting group reagent in the synthesis of novel peptide-based drug candidates and active pharmaceutical ingredients (APIs).
• Biochemical Research: Used as a specialized reagent in enzyme studies, protein labeling, and the investigation of cysteine-related biochemical pathways.
• Organic Synthesis: Acts as a versatile intermediate for the preparation of more complex chiral molecules, leveraging its L-cysteine backbone for stereoselective synthesis.
• Analytical Chemistry: May be employed as a standard or reference material in chromatographic analysis (HPLC, LC-MS) for method development and validation in quality control labs.

Basic Information

Product Name	N,N'-Bis(2,4-Dinitrophenyl)-L-Cysteine
CAS No.	23067-16-5
Molecular Formula	C15H12N4O8S
Molecular Weight	408.34 g/mol
Synonyms	L-Cysteine, N,N'-bis(2,4-dinitrophenyl)-; Bis(2,4-dinitrophenyl)-L-cysteine; (R)-2-Amino-3-((2,4-dinitrophenyl)thio)-3-((2,4-dinitrophenyl)amino)propanoic acid; DNP-Cysteine derivative; 2,4-DNPH-Cysteine; N,N'-Di-DNP-L-cysteine; S-(2,4-Dinitrophenyl)-N-(2,4-dinitrophenyl)-L-cysteine
EINECS	Contact for details

Quality Control

Our N,N'-Bis(2,4-Dinitrophenyl)-L-Cysteine is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation (IR, NMR), to ensure it meets the exacting standards required for research and development applications. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting all critical quality parameters.

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 light-sensitive and should be handled and stored accordingly to maintain stability.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Specific Rotation	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%

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