Best Chloroquine Phosphate

Product description Name Chloroquine diphosphate Synonyms N-(7-Chloro-4-quinolinyl)-N,N-dimethyl-1,4-pentanediamine diphosphate salt Molecular Formula C18H26ClN3.2(H3PO4);C18H32ClN3O8P2 Molecular Weight 515.87 CAS Registry Number 50-63-5 EINECS 200-055-2 Chloroquine Phosphate A white or almost white crystalline powderIt complies with the standard of BP2007. The TNN development limited(ISO 9001: 2008), are strong in the field of Pharmaceuticals, food additives, and fine chemicals for more than 10 years export history. Specification : Items of analysis Specification Results Appearance A white or almost white crystalline conform Melting point 195°C-197°C 196°C Indentification: A. The solution shows absorption maxima at 220nm,235nm,256nm,329nm and 342nm; B. The precipitate melts at 206°C-209°C C. Gives reaction of phosphates Conform Conform Conform Solution S: Complies with test conform Apperance of solution ≤BY5 or GY5 no more thanGY5 Ph: (10%w/v) 3.8-4.3 4.2 Related substances One spot ≤1.0% Any other spot ≤0.5% Conform Heavy metals ≤20ppm no more thann 10ppm Assay 98.5-101.0% 99.6% Loss on drying ≤2.0% 0.6%