Ammonium Standard: NH4+, 1000µg/ml in Water, 100ml Back Catalog number: VHG-INH41K-100 Availability: In the manufacturer's stock Price on request - + Recommended 10474.16 AH-7921-d6 (dimethyl-d6) Price on request 2717.29-10MG 24-Ethyl-5 alpha(H)-cholestan-3ß-ol (ß-Sitostanol), neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 83-45-4 Price on request S-4032-ASS-IOX5 Methylphenanthrene Index Cocktail 5 Analytes, each concentration as listed in isooctane; units: 1x1mL Relative ratios Chiron No. Name Cas.No by weight: 0 Price on request