Description

5-Ethyl-2-Methylpyridine-3-Sulfonic Acid is a specialized pyridine sulfonic acid derivative that serves as a key intermediate in advanced organic synthesis. Its value lies in its unique sulfonic acid functionality attached to the pyridine ring, making it a versatile building block for creating complex molecules with tailored properties. This compound is essential for research chemists and process development scientists in the pharmaceutical and agrochemical industries, where it is used to synthesize active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for drugs targeting the central nervous system.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and insecticides, where the pyridine-sulfonic acid moiety contributes to biological activity.
• Ligand and Catalyst Precursor: Serves as a starting material for creating specialized ligands used in homogeneous catalysis and metal complexation.
• Functional Material Research: Employed in the development of ionic liquids, surfactants, and other specialty chemicals due to its acidic and polar characteristics.
• Dye and Pigment Intermediate: Acts as a precursor in the synthesis of complex colorants and photographic chemicals.
• Custom Synthesis and Contract Manufacturing: A valuable substrate for fine chemical manufacturers offering bespoke synthesis services to the life sciences sector.

Basic Information

Product Name	5-Ethyl-2-Methylpyridine-3-Sulfonic Acid
CAS No.	856163-59-2
Molecular Formula	C8H11NO3S
Molecular Weight	201.24 g/mol
Synonyms	3-Pyridinesulfonic acid, 5-ethyl-2-methyl-; 2-Methyl-5-ethylpyridine-3-sulfonic acid; 5-Ethyl-2-methyl-3-pyridinesulfonic acid; 5-Ethyl-2-methylpyridine-3-sulphonic acid; 856163-59-2; 5-Ethyl-2-picoline-3-sulfonic acid
EINECS	Contact for details

Quality Control

Our production of 5-Ethyl-2-Methylpyridine-3-Sulfonic Acid adheres to stringent quality management protocols to ensure batch-to-batch consistency and purity. Each lot undergoes comprehensive analytical testing, including HPLC for assay and impurity profiling, to meet the exacting standards required for pharmaceutical and fine chemical applications. Certificates of Analysis (COA) detailing identity, purity, and related substances are provided with every shipment and are available upon request.

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 product is hygroscopic (moisture-sensitive) and should be handled in a dry environment to prevent degradation. Keep away from strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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