Pesticide Mix #1 Back Catalog number: 93172 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 685687 Acetaldehyde-2,4-DNPH, 1000µg/ml in Acetonitrile, Price on request 53046 Calibration Standard Mix 4 Price on request 679283 Metoprolol acid, 25mg Price on request