Cenogenic Corporation is a manufacturer of Diagnostic Reagents. We are interested in gum guaiac powder We use this in the manufacture of one of our diagnostic kits. The product that has worked for us in the past is a dark brown color. Please let me know if you have this product available and if you could provide us a 100 gram sample. Also, please provide a price for a purchase of 15 - 25 kilos. Thank you for your help.

Nitza Hernandez-Katz