Description

2-Pyridinesulfonic Acid Methyl Ester is a versatile organic sulfonate ester derivative of pyridine, serving as a critical synthetic intermediate and building block in advanced chemical synthesis. Its value lies in its unique molecular structure, which combines a sulfonate ester group with a pyridine heterocycle, enabling its use in the development of pharmaceuticals, agrochemicals, and functional materials. This compound is primarily needed by research and development chemists, process development scientists, and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for drugs targeting the central nervous system or possessing sulfonamide-related functionalities.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and insecticides, where the pyridine-sulfonate moiety can contribute to biological activity.
• Ligand and Catalyst Precursor: Serves as a precursor for synthesizing specialized ligands used in transition metal catalysis and organometallic chemistry.
• Material Science Research: Employed in the development of novel polymers, ionic liquids, and other functional materials that require sulfonate ester groups.
• Chemical Biology Probe: Utilized in research to create molecular probes and tags for studying biological systems and enzyme mechanisms.
• Custom Synthesis and Contract Manufacturing: A valuable starting material for custom synthesis houses and CDMOs (Contract Development and Manufacturing Organizations) serving diverse client projects.

Basic Information

Item	Details
Product Name	2-Pyridinesulfonic Acid Methyl Ester
CAS No.	111480-82-1
Molecular Formula	C6H7NO3S
Molecular Weight	173.19 g/mol
Synonyms	Methyl 2-pyridinesulfonate; Methyl pyridine-2-sulfonate; 2-Pyridylsulfonic Acid Methyl Ester; Pyridine-2-sulfonic Acid Methyl Ester; 2-(Methylsulfonyloxy)pyridine; 2-Pyridinesulfonate Methyl Ester; 2-Pyridyl Methyl Sulfonate; Methyl 2-pyridyl sulfonate
EINECS	Contact for details

Quality Control

Our 2-Pyridinesulfonic Acid Methyl Ester is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity, NMR and IR for structural confirmation, and tests for residual solvents and moisture, to ensure it meets the high standards required for research and industrial synthesis. A Certificate of Analysis (COA) detailing all specifications 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 place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residual Solvents (GC)	Meets ICH guidelines

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