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 S-4678-500-10T Perdeuterated Internal Standard - PAH-Mixture 36 7 Analytes, each 500 µg /mL in toluene; 1x10mL Compounds Window 0978.10 Naphthalene-d8 1 [1146-65-2] 1086.12 Biphenyl-d10 2 [1486-0 Price on request 0293.19-200-T 2-Methylchrysene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 3351-32-4 Price on request 3167.20-K-IO Methyl nonadecanoate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1731-94-8 Price on request