Description

Melarsonic Acid CAS NO 37526-80-0 is an organoarsenic compound primarily recognized for its role as a key intermediate in the synthesis of veterinary trypanocidal agents. Its importance lies in providing a reliable and high-purity building block for the production of pharmaceuticals targeting parasitic diseases in livestock. This product is essential for manufacturers and research institutions in the veterinary pharmaceutical and fine chemical synthesis sectors who require consistent quality for complex API development.

Application

• Veterinary Pharmaceutical Intermediate: Critical precursor in the synthesis of trypanocides like Melarsomine dihydrochloride, used to treat parasitic infections.
• Fine Chemical Synthesis: Serves as a specialized building block for organoarsenic compounds in research and development.
• Parasitology Research: Used in academic and industrial laboratories for studying anti-parasitic mechanisms and developing new therapeutics.
• API (Active Pharmaceutical Ingredient) Manufacturing: Employed in controlled synthesis processes for producing final drug substances.

Basic Information

Product Name	Melarsonic Acid
CAS No.	37526-80-0
Molecular Formula	C₆H₉AsN₆O₄
Molecular Weight	280.09 g/mol
Synonyms	Melarsonic Acid; Arsobal; RP 11072; 2-[4-(4,6-Diamino-1,3,5-triazin-2-yl)amino]phenyl]-1,3,2-dithiarsolane-4,5-diol 2-oxide; Mel W; Trimelarsan; Melarsen Oxide-BAL; Mel B precursor
EINECS	Contact for details

Quality Control

Our Melarsonic Acid is produced under strict quality management systems to ensure high purity and batch-to-batch consistency, suitable for pharmaceutical intermediate applications. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. We adhere to relevant cGMP guidelines for the manufacture of advanced intermediates, supporting our commitment to supply chain reliability for our global partners.

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 incompatible materials.

Specification

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

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