Description

[(2,3-Dihydro-1,5-Dimethyl-3-Oxo-2-Phenyl-1H-Pyrazol-4-Yl)Amino]Methanesulfonic Acid is a specialized organic sulfonic acid derivative, known for its role as a key synthetic intermediate. Its value lies in its unique molecular structure, which is pivotal for constructing more complex pharmacologically active compounds. This product is essential for research and development chemists in the pharmaceutical and fine chemical industries, particularly those focused on developing novel therapeutic agents.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for non-steroidal anti-inflammatory drugs (NSAIDs) and analgesic agents.
• Fine Chemical Synthesis: Used in the multi-step synthesis of complex organic molecules for research and development purposes.
• Biochemical Research: Serves as a reagent or precursor in studies involving enzyme inhibition or receptor binding assays.
• Chemical Reference Standard: Employed as a high-purity standard for analytical method development and quality control in chemical manufacturing.

Basic Information

Product Name	[(2,3-Dihydro-1,5-Dimethyl-3-Oxo-2-Phenyl-1H-Pyrazol-4-Yl)Amino]Methanesulfonic Acid
CAS No.	117-38-4
Molecular Formula	C12H15N3O4S
Molecular Weight	297.33 g/mol
Synonyms	4-(Aminosulfonyl)-2,3-dihydro-1,5-dimethyl-3-oxo-2-phenyl-1H-pyrazole; 4-Amino-1,5-dimethyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one 4-methanesulfonate; Metamizole Impurity C (Sulfonate); Dipyrone Sulfonate; Noramidopyrine Methanesulfonate Sodium Salt Impurity; 4-[(Methylsulfonyl)amino]antipyrine; 1-Phenyl-2,3-dimethyl-4-methylsulfonylaminopyrazol-5-one
EINECS	204-193-7

Quality Control

Our [(2,3-Dihydro-1,5-Dimethyl-3-Oxo-2-Phenyl-1H-Pyrazol-4-Yl)Amino]Methanesulfonic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) detailing specifications such as assay, related substances, and residual solvents, supporting compliance with cGMP and ICH guidelines for pharmaceutical intermediates.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect stability and handling properties.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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