Ammonia as (NH4+) Back Catalog number: 50631 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1633.11-100-ME Cimetidine carboxamide dihydrochloride (free base), 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 110592-19-3 Price on request 0377.18-K-T 9-Phenylcarbazole, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 1150-62-5 Price on request 676882 Praziquantel, 250mg Price on request