Hi,What is the cost of a 100grams,250grams,500gram, 1kg sample? I want N-(1,2,2,2-TETRACHLOROETHYL)FORMAMIDE.CAS#3659-66-3If the sample is 100% right, then I will order larger quantities. Please get back to me with the prices immediately. I want this to beshipped through ems/Canada post. I will request the name you want me to send the money after you reply with the prices. I will send my information/ along with the address also. Thank youJasHeirheirbalexventures@hotmail.ca