Protheragen | Address: 101-4 Colin Dr, Holbrook, New York 11741, USA 
https://www.protheragen.ai/impurity/valsartan-nitroso-impurity-161-item-67782.html | Send Inquiry | Phone: +1-(516)-253-5040
Protheragen supplies 8000+ products including drug raw materials, chemical products, analysis and custom synthesis with bases across the US, China, Germany, and Japan, certified by the FDA, PMDA, and more...

 LGC Standards / Toronto Research Chemicals | Address: 10 Priestley Road, Guildford, Surrey GU2 7XY, United Kingdom 
https://www.lgcstandards.com/US/en/N-2-Cyano-1-1-biphenyl-4-yl-methyl-N-nitroso-L-valine/p/TRC-C654250 | Send Inquiry | Phone: +44-(208)-943-8480
LGC Standards / Toronto Research Chemicals was founded in 1982 to manufacture and supply researchers in the biomedical fields with specialized complex organic small molecules not otherwise commerciall more...