Ammonium Standard: NH4+, 1000µg/ml in Water, 100ml Back Catalog number: VHG-INH41K-100 Availability: In the manufacturer's stock Price on request - + Recommended 672952 Dequalinium chloride, 500mg Price on request 2521.8-K-ME 2-(4-Hydroxyphenyl)acetamide, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 17194-82-0 Price on request T412150 Thymine, 25g Price on request