Napropamide, 100µg/ml in Acetonitrile, 1ml Back Catalog number: S-11585A1-1ML Availability: In the manufacturer's stock Price on request - + Recommended 91871 WP - Volatile Aromatics Cal Check Price on request 2785.12-100-IO 3,3'-Dichlorobenzidine, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 91-94-1 Price on request 50013 Multi-Element Calibration Standard-4 Price on request