Hello Dear I check your site and I need 500 kg Oxytetracycusing in veterinary antibiotic product dissolve in water and Alcohol ethanol and methanol. we used oxytetracyc and OxytetracycUSP for this product.please send me your price for 500 kg and send a vshowing the percentage of dissolving in Alcohol.Waiting for soon reply.Best regardsNaser Gorjipour