IP 391-95 Calibration Level 1 Back Catalog number: 98401 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10905.20-K-AN Ethyl stearate-d5,1000 µg/mL,acetonitrile,1mL Price on request 94549 Semi-Volatile Standard Price on request 79684 Fipronil Price on request