Description

N4-Acetylsulfanilamide is a key sulfonamide derivative and an important pharmaceutical intermediate. This compound is valued for its role in the synthesis of more complex sulfa drugs, which are foundational in antimicrobial therapy. It is primarily required by manufacturers in the pharmaceutical, agrochemical, and fine chemical industries for research, development, and production processes. Consistent quality and reliable supply are critical for ensuring downstream product efficacy and regulatory compliance.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of various sulfonamide-based antibiotics and therapeutic agents.
• Biochemical Research: Used as a standard or reagent in studies involving sulfonamide metabolism, mode of action, and resistance mechanisms.
• Agrochemical Synthesis: Serves as a precursor in the development of certain herbicides and fungicides that utilize the sulfonamide functional group.
• Fine Chemical Production: Employed in the manufacture of dyes, pigments, and other specialty chemicals where the sulfanilamide structure is integral.
• Veterinary Medicine: Used in the production of sulfa drugs for animal health applications.

Basic Information

Product Name	N4-Acetylsulfanilamide
CAS No.	121-69-9
Molecular Formula	C8H10N2O3S
Molecular Weight	214.24 g/mol
Synonyms	4-Acetamidobenzenesulfonamide; N4-Acetylsulfanilamide; p-Acetamidobenzenesulfonamide; Sulfacetamide Impurity A; NSC 7606; Acetylsulfanilamide; Sulfanilamide, N4-acetyl-
EINECS	204-493-3

Quality Control

Our N4-Acetylsulfanilamide is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with key parameters such as assay, related substances, and residual solvents, supporting compliance with cGMP and other relevant pharmaceutical guidelines for intermediates.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Individual impurity ≤ 0.5% Total impurities ≤ 1.0%
Heavy Metals	≤ 20 ppm

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