Description

Cysteine-2-Mercaptopyridine is a specialized organosulfur compound that serves as a key intermediate and reagent in advanced chemical synthesis. Its unique structure, featuring both a cysteine-derived amino acid moiety and a heterocyclic mercaptan, makes it a valuable building block for creating complex molecules. This product is essential for research and production in the pharmaceutical and fine chemical industries, particularly for the development of novel active pharmaceutical ingredients (APIs) and biochemical probes.

Application

• Pharmaceutical Intermediate: A critical building block in the synthesis of complex drug molecules, particularly those targeting neurological and metabolic pathways.
• Bioconjugation Reagent: Used for site-specific protein and peptide modification, enabling the creation of antibody-drug conjugates (ADCs) and diagnostic probes.
• Chemical Research: Serves as a versatile reagent in organic synthesis for constructing heterocyclic compounds and introducing thiol-reactive handles.
• Biochemical Tool Development: Employed in the design and synthesis of enzyme inhibitors, fluorescent tags, and other research chemicals for life sciences.
• Material Science: Potential applications in creating functionalized surfaces and polymers through thiol-based chemistry.

Basic Information

Product Name	Cysteine-2-Mercaptopyridine
CAS No.	88442-68-6
Molecular Formula	C8H10N2O2S2
Molecular Weight	230.31 g/mol
Synonyms	L-Cysteine, S-(2-pyridinyl)-; S-(2-Pyridinyl)-L-cysteine; 2-Mercaptopyridine-L-cysteine conjugate; (2R)-2-Amino-3-[(2-pyridinyl)sulfanyl]propanoic acid; Cys(2-Mpy); Cysteine S-conjugate of 2-mercaptopyridine; 2-Pyridylthio-L-cysteine
EINECS	Contact for details

Quality Control

Our Cysteine-2-Mercaptopyridine is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, chiral analysis, and identity confirmation via IR and NMR spectroscopy. We provide full traceability and Certificates of Analysis (COA) are available for all shipments, ensuring compliance with your research and cGMP-grade production requirements.

Storage

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

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Chiral Purity (HPLC)	≥ 99.0% (L-isomer)
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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