Description

L-Cysteine, n-Nitroso- (9Ci) is a chemically modified derivative of the amino acid L-cysteine, featuring a nitroso functional group. This specialized compound is significant for its role as a key intermediate and research chemical in advanced organic synthesis and biochemical studies. It is primarily needed by research institutions, pharmaceutical R&D departments, and fine chemical manufacturers focused on developing novel compounds, studying reaction mechanisms, or exploring biochemical pathways.

Application

• Pharmaceutical Research & Development: Serves as a critical building block or intermediate in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs).
• Biochemical Studies: Used as a probe or model compound in research focused on protein modification, enzyme inhibition, and the study of nitroso-compound interactions in biological systems.
• Organic Synthesis: Acts as a specialized reagent for introducing the nitroso moiety into target molecules, facilitating the creation of complex chemical architectures.
• Academic Research: Employed in university and institutional laboratories for methodological development and investigating new chemical reactions involving sulfur and nitrogen functionalities.
• Reference Standard: Can be utilized as an analytical standard for method development and validation in chromatographic analysis (e.g., HPLC, LC-MS) within quality control laboratories.

Basic Information

Product Name	L-Cysteine, n-Nitroso- (9Ci)
CAS No.	766456-39-7
Molecular Formula	C3H6N2O3S
Molecular Weight	150.16 g/mol
Synonyms	N-Nitroso-L-cysteine; S-Nitroso-L-cysteine; L-Cysteine N-nitroso derivative; (R)-2-Amino-3-(nitrososulfanyl)propanoic acid; NSC 113841; Nitrosocysteine; NO-Cys; SNO-Cys
EINECS	Contact for details

Quality Control

Our L-Cysteine, n-Nitroso- (9Ci) is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide full traceability and support our products with a detailed Certificate of Analysis (COA) upon request, which includes data from techniques such as HPLC, NMR, and mass spectrometry to meet the exacting standards of research and development applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). This compound is light-sensitive and should be handled and stored away from direct light exposure to maintain stability.

Specification

Item	Specification
Appearance	Off-white to light yellow powder or crystalline solid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 95% (Area %)
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.