Ammonium Standard: NH4+, 1000µg/ml in Water, 100ml Back Catalog number: VHG-INH41K-100 Availability: In the manufacturer's stock Price on request - + Recommended 8873.8-K-IO 2-Acetyl-3,5- and 2-acetyl-3,6-dimethylpyrazine, isomer mix, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. Price on request 9284.17-100MG Sertraline hydrochloride, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 79559-97-0 Price on request 3239.22-K-IO 7,10,13,16,19-Docosapentaenoic acid (all-cis), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 24880-45-3 Price on request