Method 1640Mix A Back Catalog number: 52146 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended H918750 (+)-20-Hydroxyecdysone, 1g Price on request 15900-4030-100AN5 Prochloraz, 100µg/ml in Acetonitrile, 5ml Price on request 19114 EPA Method 625 Base/Neutrals Mix #1 Price on request