13C6-Closantel, 10mg Back Catalog number: 679414 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended DF-IS-A Mass-Labelled PCDD Internal Standard Solution, 1.2ml x 1ug/ml, nonane Price on request 52336 Mixed Calibration Standard 2 Price on request 79562 tert-Butyl disulfide Price on request