Description

4-Mercaptoquinoline is a versatile sulfur-containing heterocyclic compound that serves as a critical building block in advanced organic synthesis. Its unique mercapto-quinoline structure makes it a valuable ligand and intermediate for creating complex molecules with tailored properties. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and materials science industries, where it is used to develop new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel quinoline-based drug candidates, particularly those targeting infectious diseases and cancer.
• Agrochemical Synthesis: Building block for developing new generation pesticides and fungicides that leverage the bioactivity of the quinoline scaffold.
• Coordination Chemistry & Catalysis: Acts as a chelating ligand for transition metals (e.g., Pd, Pt, Ru) in the development of homogeneous catalysts for cross-coupling and other organic transformations.
• Material Science Research: Used in the creation of organic semiconductors, conductive polymers, and metal-organic frameworks (MOFs) due to its electron-rich and binding capabilities.
• Analytical Chemistry: Serves as a derivatization agent or a complexing agent in spectroscopic methods for metal ion detection.
• Fine Chemical Synthesis: Intermediate for the production of dyes, pigments, and other specialty chemicals requiring the quinoline structure.

Basic Information

Product Name	4-Mercaptoquinoline
CAS No.	51812-96-5
Molecular Formula	C9H7NS
Molecular Weight	161.22 g/mol
Synonyms	4-Quinolinethiol; Quinoline-4-thiol; 4-Thiolquinoline; 4-Sulfanylquinoline; 4-Mercaptoquinoline; 4-Hydroxyquinoline thione (tautomer); 4(1H)-Quinolinethione; 4-Quinolinyl mercaptan
EINECS	Contact for details

Quality Control

Our 4-Mercaptoquinoline is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity assessment and NMR/IR for structural confirmation, to ensure it meets the high standards required for research and industrial synthesis. A Certificate of Analysis (COA) detailing specific batch results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This material is easily oxidized; for long-term storage, consider keeping under an inert atmosphere (e.g., nitrogen or argon) to maintain stability and purity.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	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.