Description

Isoquinolin-1-Thione CAS NO 4702-25-4 is a specialized heterocyclic sulfur-containing compound that serves as a versatile building block in advanced organic synthesis. Its unique structure makes it a valuable intermediate for developing pharmaceuticals, agrochemicals, and functional materials. This product is essential for research chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries seeking to create novel compounds with targeted properties.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of potential drug candidates, particularly those targeting neurological disorders, cancer, and infectious diseases.
• Agrochemical Synthesis: Used in the development of novel pesticides, herbicides, and fungicides due to its bioactive heterocyclic core.
• Ligand and Catalyst Development: Serves as a starting material for creating chelating ligands and organocatalysts used in asymmetric synthesis and metal complexation.
• Material Science Research: Employed in the synthesis of organic semiconductors, conductive polymers, and other functional organic materials.
• Chemical Biology Probes: Utilized as a scaffold for developing molecular probes to study enzyme mechanisms and biological pathways.
• Academic and R&D Laboratories: A fundamental reagent for methodological studies in organic chemistry and heterocyclic compound research.

Basic Information

Product Name	Isoquinolin-1-Thione
CAS No.	4702-25-4
Molecular Formula	C9H7NS
Molecular Weight	161.22 g/mol
Synonyms	1-Isoquinolinethione; 1-Isoquinolinyl thione; 1(2H)-Isoquinolinethione; Isoquinoline-1-thiol; 1-Mercaptoisoquinoline; 1-Thioxo-1,2-dihydroisoquinoline; 1,2-Dihydroisoquinoline-1-thione; Isoquinoline-1(2H)-thione
EINECS	225-168-5

Quality Control

Our Isoquinolin-1-Thione is produced under strict quality management systems to ensure batch-to-batch consistency and high purity. We provide comprehensive analytical data, including HPLC purity, identity confirmation by FT-IR and NMR spectroscopy, and residual solvent analysis. A detailed Certificate of Analysis (COA) is supplied with each batch, and custom synthesis to meet specific purity or packaging requirements is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider storing under an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residual Solvents (GC)	Meets ICH guidelines

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