Ammonia as (NH4+) Back Catalog number: 54212 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2106.14-100-ME 1,5-Bis-(4-chlorophenyl)-biguanide HCl, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 13590-98-2 Price on request 674611 D7-Benzyldimethyltetradecylammonium chloride, 10mg Price on request XA12100010ME DEET D7 (methyl D3 benzeneamide D4), 100µg/ml in MeOH, 1ml Price on request