Description

8-Quinolinesulfonic Acid, 4-Methyl- is a specialized sulfonated quinoline derivative that serves as a versatile intermediate in advanced organic synthesis. Its unique structure, combining a quinoline core with a sulfonic acid group and a methyl substituent, makes it a valuable building block for creating complex molecules with tailored properties. This compound is particularly relevant for research and production in the pharmaceutical and agrochemical sectors, where it is used to develop active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those targeting specific enzymes or receptors.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and plant growth regulators.
• Coordination Chemistry & Ligand: Acts as a chelating agent or ligand for metal ions in catalytic systems and material science applications.
• Dye & Pigment Manufacturing: Intermediate for producing sulfonated quinoline-based dyes and colorants.
• Corrosion Inhibitor Formulation: Component in specialty chemical blends designed to protect metals in industrial processes.
• Research & Development: A valuable tool for academic and industrial R&D in medicinal chemistry and organic synthesis.

Basic Information

Product Name	8-Quinolinesulfonic Acid, 4-Methyl-
CAS No.	227278-08-2
Molecular Formula	C₁₀H₉NO₃S
Molecular Weight	223.25 g/mol
Synonyms	4-Methyl-8-quinolinesulfonic acid; 4-Methylquinoline-8-sulfonic acid; 8-Sulfo-4-methylquinoline; 4-Methyl-8-sulfoquinoline; 4-Methylquinoline-8-sulphonic acid (British spelling); 4-Methyl-8-quinolylsulfonic acid; 4-Methyl-8-sulfonylquinoline
EINECS	Contact for details

Quality Control

Our production of 8-Quinolinesulfonic Acid, 4-Methyl- adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including HPLC, NMR, and titration to verify identity, potency, and impurity profiles. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Due to its hygroscopic (moisture-sensitive) nature, store in a cool, dry place at a controlled room temperature (15-25°C). The container should be kept in a well-ventilated area separate from strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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