MRC RL-311-100 TRI Reagent® RT - Liquid Samples 100 ml1950MRC RL-311-200 TRI Reagent® RT - Liquid Samples 200 ml3380MRC RL-311-50 TRI Reagent® RT - Liquid Samples 50 ml1168MRC RL-311-500 TRI Reagent® RT - Liquid Samples 500 ml 8200