EPA Method 505/507 - Pesticide Standard

N-Methyl-N'-nitro-N-nitrosoguanidine (wetted with ca. 50% water), neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 70-25-7

Universal VOA Megamix

Cimetidine hydrochloride, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 70059-30-2