13C3-Caffeine, 10mg Back Catalog number: 680424 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 11802.12-50-NN Triclosan, purified 99%,50 µg/mL,n-nonane,1mL, Price on request 673679 Propham, 10 µg/ml, Ethyl acetate, 10ml Price on request 38200 RCRA Low Level PAHs Price on request