

share
1-Methyl-3-Sulphonatopyridinium CAS NO 21876-47-1
Unit Price:
CAS No.:21876-47-1
Grade:Pharmacy Grade
Content:99.9%
Brand:Customizable
Packaging:Customizable
Description
1-Methyl-3-Sulphonatopyridinium is a versatile pyridinium-based ionic compound, also known as 3-(Methylsulfonyl)pyridinium inner salt. This product is valued for its role as a key intermediate and reagent in advanced organic synthesis, particularly in the development of pharmaceuticals and specialty chemicals. It is essential for research and production facilities in the pharmaceutical, agrochemical, and fine chemical sectors seeking to introduce sulfonate functionalities or create novel ionic materials.
Application
- Pharmaceutical Intermediate: A crucial building block in the synthesis of active pharmaceutical ingredients (APIs), especially those requiring sulfonate or pyridinium moieties.
- Phase-Transfer Catalyst: Used to facilitate reactions between reactants in immiscible phases, improving yield and efficiency in organic synthesis.
- Ionic Liquid Precursor: Serves as a starting material for the preparation of task-specific ionic liquids with tailored properties for green chemistry applications.
- Chemical Research & Development: Employed in academic and industrial R&D for exploring new reaction pathways and developing novel compounds.
- Agrochemical Synthesis: Used in the manufacturing process of certain herbicides, fungicides, and plant growth regulators.
- Dye and Pigment Manufacturing: Acts as an intermediate in the production of specialized dyes and functional colorants.
Basic Information
| Product Name | 1-Methyl-3-Sulphonatopyridinium |
| CAS No. | 21876-47-1 |
| Molecular Formula | C6H7NO3S |
| Molecular Weight | 173.19 g/mol |
| Synonyms | 3-(Methylsulfonyl)pyridinium inner salt; 1-Methylpyridinium-3-sulfonate; Pyridinium, 1-methyl-3-sulfo-, inner salt; 3-Sulfopyridinium betaine; 1-Methyl-3-sulfopyridinium; N-Methyl-3-pyridinesulfonate |
| EINECS | Contact for details |
Quality Control
Our 1-Methyl-3-Sulphonatopyridinium is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements of our global clientele. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment and is available upon request.
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). This material is hygroscopic (moisture-sensitive); keep the container tightly sealed to prevent absorption of atmospheric moisture.
Specification
| Item | Specification |
|---|---|
| Appearance | White to off-white powder |
| Identification (IR) | Conforms to structure |
| Assay (HPLC) | ≥ 98.0% |
| Water Content (KF) | ≤ 2.0% |
| Residue on Ignition | ≤ 0.1% |
Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.
Hot Related Products


Lithium Bis(Trifluoromethanesulphonyl)Imide CAS NO 90076-65-6


2,4-Dinitrobenzenesulfonic Acid Sodium Salt CAS NO 885-62-1


Ethyl p-Toluenesulfonate CAS NO 80-40-0


(+/-)-10-Camphorsulfonic Acid Sodium Salt CAS NO 34850-66-3


n-(2-Methyl-5-Nitro-Phenyl)Benzenesulfonamide CAS NO 121-77-7


Sodium n-Cyclohexylsulfamate CAS NO 139-05-9


Sodiumiodomethanesulphonate CAS NO 143-47-5


Thiosulfuric Acid Hydrogen S-[2-(Methylamino)Ethyl] Ester CAS NO 1000-68-6


Benzyl 4-Toluenesulfonate CAS NO 1024-41-5


Thiosulfuric Acid Hydrogen S-[2-[(2-Phenoxyethyl)Amino]Ethyl] Ester CAS NO 1085-52-5


4-Amino-6-Chloro-N~1~,N~1~,N~3~,N~3~-Tetramethyl-1,3-Benzenedisulfonamide CAS NO 1090-97-7


1-(p-Hydroxyphenyl)-2-Phenyl-4-[2-(Phenylsulfonyl)Ethyl]Pyrazolidine-3,5-Dione CAS NO 1107-46-6


2,4-Butanesultone CAS NO 1121-03-5


4-Methoxybenzenesulfonamide CAS NO 1129-26-6


4-(n-Butoxy)Benzenesulphonamide CAS NO 1138-58-5


4-Chlorobenzenesulfonothioic Acid S-Phenyl Ester CAS NO 1142-97-8


Benzenesulfonamide, n-(Dihydro-2(3H)-Furanylidene)-4-Methyl- (9Ci) CAS NO 1209-75-2


4-{[(4-Methylphenyl)Sulfonyl]Amino}Butanoic Acid CAS NO 1213-42-9


2-Amino-5-Naphthalene-(N,n-Dimethyl)Sulfonamide CAS NO 1214-03-5


4-Methyl-1,3,2-Dioxathiolane 2-Oxide CAS NO 1469-73-4
Why choose US
Trusted Manufacturer
With our own production facilities, we ensure consistent quality, reliable supply, and full traceability.
Rigorous Quality Assurance
Each batch undergoes strict QC, accompanied by COA, MSDS, and full compliance with international standards.
Advanced R&D Expertise
Our in-house lab drives process innovation, new product development, and tailored synthesis solutions.






