Description

S-(6-Purinyl)Cysteine is a specialized biochemical building block featuring a purine moiety linked to a cysteine amino acid. This unique structure makes it a valuable intermediate for research and development in medicinal chemistry and biochemistry. It is primarily utilized by scientists and manufacturers in the pharmaceutical and biotechnology sectors for applications such as targeted drug discovery and biochemical probe synthesis.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel nucleoside analogs and targeted therapeutic agents.
• Biochemical Research: Used as a tool compound for studying enzyme mechanisms, particularly those involving purine metabolism and cysteine-dependent processes.
• Proteomics & Bioconjugation: Serves as a specialized linker or modifier for protein and peptide engineering due to its reactive thiol and aromatic groups.
• Antiviral & Anticancer Agent Development: Investigated as a core structure for designing compounds that interfere with nucleic acid synthesis in diseased cells.
• Diagnostic Reagent Synthesis: Employed in creating labeled compounds and probes for diagnostic assays and imaging.

Basic Information

Product Name	S-(6-Purinyl)Cysteine
CAS No.	125136-34-7
Molecular Formula	C8H9N5O2S
Molecular Weight	239.26 g/mol
Synonyms	S-(6-Purinyl)-L-cysteine; 6-Purinylcysteine; L-Cysteine, S-(6-purinyl)-; (2R)-2-Amino-3-[(6-purinyl)sulfanyl]propanoic acid; Purinylcysteine; 6-Mercaptopurine cysteine adduct; S-(Purin-6-yl)cysteine
EINECS	Contact for details

Quality Control

Our S-(6-Purinyl)Cysteine is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods. Certificates of Analysis (COA) detailing batch-specific results are provided to ensure traceability and compliance with your research or production standards.

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 compound is easily oxidized and should be handled under an inert atmosphere when appropriate for prolonged use. Keep container tightly sealed to minimize exposure to air and moisture.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 2.0%
Heavy Metals	≤ 20 ppm

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