Ammonium Standard: NH4+, 1000µg/ml in Water, 100ml Back Catalog number: VHG-INH41K-100 Availability: In the manufacturer's stock Price on request - + Recommended 11163.22-K-ME Fluphenazine dihydrochloride,1000 µg base/mL,MeOH,1mL, Price on request 680652 Cetirizine dihydrochloride, 50mg Price on request 93813 4,4’-Dichlorobiphenyl Price on request