13C3-Caffeine, 10mg Back Catalog number: 680424 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended MPFAC-24ES Mass-Labelled PFAS Extraction Standard, 1000ng/ml in MeOH, 1,2ml Price on request S680512 Spermine-d20, 1mg Price on request 79107 Di-n-octyl phthalate Price on request