Internal Standard for AB SIM Back Catalog number: 94541 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended LA15200300AL Metribuzin DA, 10μg/ml in Acetonitrile, 10ml Price on request M744802 Moxidectin-d3, 1mg Price on request 50123 Multi-Elements Mix Price on request