Description

4,5-Dimethylpyridine-3-Sulfonic Acid is a specialized sulfonated pyridine derivative that serves as a key building block in advanced organic synthesis. This compound is valued for its strong acidic character and its role as a versatile intermediate for introducing functional complexity into target molecules. It is primarily sought by research and development chemists in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of novel drug candidates, particularly for creating sulfonamide-containing molecules with potential biological activity.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and insecticides, where the pyridine-sulfonic acid moiety can enhance efficacy and selectivity.
• Ligand and Catalyst Preparation: Serves as a starting material for synthesizing complex ligands used in transition metal catalysis and coordination chemistry.
• Functional Material Research: Employed in the development of specialty polymers, dyes, and electronic materials that require specific acid-functionalized heterocyclic units.
• Chemical Research & Development: A valuable reagent for academic and industrial R&D exploring new synthetic methodologies and compound libraries.

Basic Information

Product Name	4,5-Dimethylpyridine-3-Sulfonic Acid
CAS No.	1160993-91-8
Molecular Formula	C7H9NO3S
Molecular Weight	187.22 g/mol
Synonyms	3-Pyridinesulfonic acid, 4,5-dimethyl-; 4,5-Dimethyl-3-pyridinesulfonic acid; 4,5-Dimethylpyridine-3-sulfonate; 3-Sulfo-4,5-dimethylpyridine; 4,5-Dimethyl-3-sulfopyridine
EINECS	Contact for details

Quality Control

Our production of 4,5-Dimethylpyridine-3-Sulfonic Acid adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is characterized using advanced analytical techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and should be handled in a dry environment to prevent degradation. Keep away from strong bases and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%

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