Description

4-Bromoisoquinoline-5-Sulphonyl Chloride is a high-purity, reactive chemical intermediate essential for advanced organic synthesis. This compound matters for its role as a key building block in the development of complex molecules, particularly in pharmaceutical and agrochemical research. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for constructing novel heterocyclic compounds and active ingredients.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of potential drug candidates, particularly those targeting central nervous system (CNS) disorders, oncology, and infectious diseases.
• Agrochemical Synthesis: Used in the research and development of novel pesticides, herbicides, and fungicides, leveraging the isoquinoline scaffold for biological activity.
• Ligand and Catalyst Development: Serves as a starting material for creating specialized ligands used in transition metal catalysis and asymmetric synthesis.
• Material Science Research: Employed in the synthesis of organic semiconductors, light-emitting materials, and other advanced functional materials.
• Custom Synthesis and Contract Manufacturing: A vital reagent for custom synthesis houses and CDMOs (Contract Development and Manufacturing Organizations) producing bespoke compounds for client projects.
• Academic and Institutional Research: Used in university and government laboratories for fundamental studies in heterocyclic chemistry and reaction methodology development.

Basic Information

Product Name	4-Bromoisoquinoline-5-Sulphonyl Chloride
CAS No.	127625-94-9
Molecular Formula	C9H5BrClNO2S
Molecular Weight	306.56 g/mol
Synonyms	5-Isoquinolinesulfonyl chloride, 4-bromo-; 4-Bromo-5-isoquinolinesulfonyl chloride; 4-Bromoisoquinoline-5-sulfonyl chloride; 4-Bromo-isoquinoline-5-sulfonyl chloride; 127625-94-9; 4-Brom-5-isochinolinsulfonylchlorid; 4-Bromo-isoquinoleine-5-sulfonyl chloride
EINECS	Contact for details

Quality Control

Our 4-Bromoisoquinoline-5-Sulphonyl Chloride is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity suitable for research and development applications. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. We adhere to cGMP principles where applicable, and our quality management system is designed to meet the stringent requirements of our global B2B clientele.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 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.