13C3-Caffeine, 100 µg/ml, Methanol, 1ml Back Catalog number: 681491 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 676670 N,N-Dimethylnicotinamide-2-sulfonamide, 10mg Price on request MET-11043EM1-1ML Alachlor OA, 100µg/ml in MeOH, 1ml Price on request LA18000040AL Pesticide-Mix 40, 10 ng/ µl, 1ml Price on request