Description

Phosphoric Acid Dimethyl 4-Sulfamoylphenyl Ester is a specialized organophosphorus compound primarily used as a key synthetic intermediate. Its value lies in its role as a versatile building block for constructing more complex molecules, particularly in the development of active pharmaceutical ingredients (APIs). This chemical is essential for manufacturers and research institutions in the pharmaceutical, agrochemical, and specialty chemical sectors seeking to develop sulfonamide-based compounds.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of various sulfonamide-containing drugs and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the research and production of novel herbicides, fungicides, and plant growth regulators.
• Chemical Research: Serves as a valuable building block in organic synthesis and medicinal chemistry for creating new molecular entities.
• Dye and Pigment Manufacturing: Acts as an intermediate in the production of certain specialty dyes and colorants.
• Ligand and Catalyst Development: Utilized in the preparation of specialized ligands for metal catalysis and other chemical processes.

Basic Information

Product Name	Phosphoric Acid Dimethyl 4-Sulfamoylphenyl Ester
CAS No.	115-92-4
Molecular Formula	C8H12NO6PS
Molecular Weight	281.22 g/mol
Synonyms	Dimethyl (4-Sulfamoylphenyl) Phosphate; 4-(Dimethoxyphosphoryloxy)benzenesulfonamide; Phosphoric Acid, Dimethyl Ester, Ester with 4-Hydroxybenzenesulfonamide; Benzenesulfonamide, 4-hydroxy-, dimethyl phosphate; Phenyl 4-Sulfamoyl Dimethyl Phosphate; O,O-Dimethyl O-(4-Sulfamoylphenyl) Phosphate; Dimethyl P-(4-Sulfamoylphenyl) Phosphate
EINECS	204-121-7

Quality Control

Our Phosphoric Acid Dimethyl 4-Sulfamoylphenyl Ester is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications. We support cGMP standards for pharmaceutical intermediate applications.

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). Keep away from strong bases and oxidizing agents. For long-term storage, consider under an inert atmosphere to maintain product integrity.

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%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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