Description

Sulfamonomethoxine CAS NO 1220-83-3 is a synthetic, long-acting sulfonamide antibiotic belonging to the sulfa drug class. This compound is valued for its potent antibacterial activity against a broad spectrum of Gram-positive and Gram-negative organisms. It is primarily utilized in the veterinary pharmaceutical industry for the treatment and prevention of bacterial infections in livestock and aquaculture.

Application

• Veterinary Therapeutics: Formulation of injectable and oral medications for treating bacterial infections in cattle, swine, and poultry.
• Aquaculture Medicine: Prevention and control of bacterial diseases in farmed fish and shrimp.
• Feed Additive: Incorporation into medicated animal feeds for prophylactic use and growth promotion.
• Research & Development: Used as a reference standard and active pharmaceutical ingredient (API) in pharmacological and microbiological studies.
• Intermediate Synthesis: Serves as a key chemical intermediate in the synthesis of more complex sulfonamide derivatives.

Basic Information

Product Name	Sulfamonomethoxine
CAS No.	1220-83-3
Molecular Formula	C11H12N4O3S
Molecular Weight	280.30 g/mol
Synonyms	4-Amino-N-(6-methoxy-4-pyrimidinyl)benzenesulfonamide; Sulfamonomethoxine; SMM; 6-Methoxysulfadimethoxine; 2-Sulfanilamido-6-methoxypyrimidine; Sulfamonomethoxin; Sulfamonomethoxinum; N1-(6-Methoxy-4-pyrimidinyl)sulfanilamide
EINECS	214-949-1

Quality Control

Our Sulfamonomethoxine is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing to ensure it meets high-purity standards suitable for pharmaceutical applications. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming specifications for identity, purity, and related substances.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	98.0% - 102.0% (on anhydrous basis)
Water (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Total impurities ≤ 2.0% Any single impurity ≤ 0.5%
Heavy Metals	≤ 20 ppm

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