Posted March six, 2004 do you have the sigma aldrich catalog? In that case, whats the number to order out in the catalog? I am unable to come across it on their Web page... and I am unable to order online simply because I am not a real research company, http://onlineresearchchemicals27790.newsbloger.com/1759846/the-smart-trick-of-where-can-i-buy-research-chemicals-online-that-nobody-is-discussing