Ammonium (NH4+) Back Catalog number: 54256 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4079-ASS-5IOX5 Routine Biomarker Internal Standard Cocktail 3 S-4079-ASS-IO 7 Analytes, each concentration as listet in isooctane; units: 10x1mL, 1x5mL, 5x5mL Please inquire for other quantities. Chiron No. Name CAS No. Price on request BRP-345 3,4,5-Tribromophenol, 1.2ml x 100ug/ml, toluene Price on request C16380400 Propachlor-oxalamic acid (OA), 10mg Price on request