Sulfisoxazole, 100 µg/ml, Methanol, 1ml Back Catalog number: 679822 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended DF-IS-B Mass-Labelled PCDD/PCDF Internal Standard Solution, 1.2ml, nonane Price on request 676900 Pebulate, 10 µg/ml, Ethyl acetate, 10ml Price on request 680191 4-Amino carminic acid, 10mg Price on request