Verification II Standard 2 Back Catalog number: 53020 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 682137 Iprodione Metabolite RP 30228, 100mg Price on request 72419 Isovaleraldehyde Price on request 673417 Promecarb, 100 µg/ml, Acetonitrile, 5ml Price on request