CLP Pesticide Matrix Spiking Solution Back Catalog number: 20020 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3391.9-100-CY Endosulfan Price on request 10861.12-K-AN Tolbutamide Price on request L13540000AL Fenpropimorph. 10µg/mL in Acetonitrile, 10ml Price on request