13C3-Caffeine, 10mg Back Catalog number: 680424 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 677492 D3-Diflufenican, 100 µg/ml, Acetonitrile, 1ml Price on request 71790 Aroclor 5432 Price on request 2373.8-K-IO 4-Methylguaiacol, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 93-51-6 Price on request