Description

1-Chloro-5-Isoquinolinesulfonic Acid is a high-purity, functionalized isoquinoline derivative serving as a critical building block in advanced organic synthesis. Its unique structure, featuring both a chloro and a sulfonic acid group, makes it a versatile intermediate for constructing complex molecules with tailored properties. This compound is essential for research and development chemists in the pharmaceutical and agrochemical industries, particularly for creating novel active ingredients and fine-tuning molecular interactions.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting neurological disorders and infectious diseases.
• Agrochemical Research: Used to develop new herbicides, fungicides, and insecticides by acting as a core scaffold for bioactive molecules.
• Ligand Synthesis: Employed in the preparation of specialized ligands for catalysis and metal-organic frameworks (MOFs).
• Dye and Pigment Manufacturing: Serves as an intermediate for creating specialized dyes and functional pigments.
• Material Science: Utilized in the development of advanced polymers and organic electronic materials due to its electron-withdrawing sulfonic acid group.
• Chemical Biology Probes: Acts as a building block for fluorescent tags and molecular probes used in biochemical assays.

Basic Information

Product Name	1-Chloro-5-Isoquinolinesulfonic Acid
CAS No.	105627-80-3
Molecular Formula	C9H6ClNO3S
Molecular Weight	243.67 g/mol
Synonyms	5-Chloro-isoquinoline-1-sulfonic acid; 1-Chloroisoquinoline-5-sulfonic Acid; Isoquinoline-5-sulfonic acid, 1-chloro-; 1-Chloro-5-sulfoisoquinoline; 105627-80-3; 1-Chloro-5-isoquinolinesulphonic acid; 1-Chloroisoquinoline-5-sulfonate
EINECS	Contact for details

Quality Control

Our 1-Chloro-5-Isoquinolinesulfonic Acid is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot is subjected to rigorous analytical testing, including HPLC for assay and purity determination, to meet the exacting standards required for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept under dry, inert conditions to prevent degradation. Keep away from incompatible materials such as strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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