Description

3-Acetamido-4-Methoxybenzenesulfinic Acid Hydrate, 97 is a high-purity sulfinic acid derivative, a versatile intermediate in advanced organic synthesis. Its core value lies in its role as a key building block for constructing complex molecules, particularly in pharmaceutical and agrochemical research and development. This compound is essential for chemists and manufacturers in the fine chemical, pharmaceutical, and life science industries who require reliable, high-quality intermediates for API synthesis and novel compound discovery.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds with sulfonamide or sulfone functionalities.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and other crop protection agents.
• Fine Chemical Manufacturing: Serves as a specialized intermediate for producing dyes, pigments, and other performance chemicals.
• Organic Synthesis Research: A valuable reagent in academic and industrial R&D labs for constructing complex heterocyclic compounds and exploring new reaction pathways.
• Material Science Precursor: Potential use in the development of specialty polymers and advanced materials.

Basic Information

Product Name	3-Acetamido-4-Methoxybenzenesulfinic Acid Hydrate, 97
CAS No.	205526-67-6
Molecular Formula	C9H11NO4S • xH2O
Molecular Weight	229.25 g/mol (Anhydrous basis)
Synonyms	3-Acetamido-4-methoxybenzenesulfinic acid hydrate; 4-Methoxy-3-acetamidobenzenesulfinic acid hydrate; N-(4-Methoxy-3-sulfinophenyl)acetamide hydrate; 3-Acetylamino-4-methoxybenzenesulfinic acid hydrate; Benzenesulfinic acid, 3-(acetylamino)-4-methoxy-, hydrate; 3-Acetamido-4-methoxybenzenesulphinic acid hydrate
EINECS	Contact for details

Quality Control

Our 3-Acetamido-4-Methoxybenzenesulfinic Acid Hydrate, 97 is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the specified 97% minimum purity grade. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance with your research or production standards.

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 and easily oxidized nature, it is recommended to store the material under an inert atmosphere (e.g., nitrogen or argon) and handle it in a moisture-controlled environment to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 3.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%
Residue on Ignition	≤ 0.1%

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