Napropamide, 100µg/ml in Acetonitrile, 5ml Back Catalog number: 15900-3490-100AN5 Manufacturer: NEOCHEMA Availability: In the manufacturer's stock Price on request - + Recommended 53100 ICP-MS Verification Standard #1 Price on request 96944 PT Semi-Vol Supplemental Acids Mix Price on request 98138 FID Test Mix - 20ug/mL Price on request