pyrimidine CAS-Nr (7637-33-4)" /> pyrimidine(7637-33-4) information like chemical properties,Structure,melting point,boiling point,density,molecular formula,molecular weight, physical properties,toxicity information,customs codes. You can also browse global suppliers,vendor,prices,Price,manufacturers of 2,5,7-Trimethyl-s-triazolo<1,5-a>pyrimidine(7637-33-4). At last,2,5,7-Trimethyl-s-triazolo<1,5-a>pyrimidine(7637-33-4) safety, risk, hazard and MSDS, CAS,cas number,Use,cas no may also be you need." />