Description

5-Isoquinolinesulfonic Acid is a versatile heterocyclic sulfonic acid derivative serving as a key synthetic intermediate and building block in advanced organic chemistry. Its value lies in its unique isoquinoline scaffold, which is integral to the development of compounds with significant biological and material science applications. This product is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of potential drug candidates, particularly those targeting neurological disorders or exhibiting antimicrobial activity.
• Agrochemical Research: Used in the development of novel herbicides, fungicides, and plant growth regulators leveraging the isoquinoline structure.
• Ligand and Catalyst Synthesis: Serves as a starting material for creating complex ligands used in catalytic systems and metal-organic frameworks (MOFs).
• Dye and Pigment Manufacturing: Acts as a sulfonating agent and intermediate in the production of specialized dyes and colorants.
• Corrosion Inhibitor Formulation: Incorporated into formulations designed to protect metal surfaces in industrial processes.
• Academic and R&D Laboratories: Employed in fundamental research for studying reaction mechanisms and synthesizing new heterocyclic compounds.

Basic Information

Product Name	5-Isoquinolinesulfonic Acid
CAS No.	27655-40-9
Molecular Formula	C9H7NO3S
Molecular Weight	209.22 g/mol
Synonyms	Isoquinoline-5-sulfonic Acid; 5-Sulfoisoquinoline; 5-Isoquinolylsulfonic Acid; 5-Isoquinolinesulphonic Acid; 1-Azanaphthalene-5-sulfonic Acid; NSC 403697; AI3-52290
EINECS	Contact for details

Quality Control

Our 5-Isoquinolinesulfonic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets exacting standards for research and industrial use. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its strong acid/organic solvent nature, keep away from incompatible materials such as strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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