Caffeine, 100 µg/ml, Methanol, 1ml Back Catalog number: 677301 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended S-4180-K-5MTX5 MTBE Contaminant Standard Low Contaminant Mixture 11 Analytes, each 0,1 Wt.% in MTBE; units: 1x1mL, 5x1mL, 1x5mL, 5x5mL tert-Amyl methyl ether 2-Methylbutane trans-2-Pentene tert-Butanol 2-Methyl-2-butene Triisobutylen Price on request MCDE-180 2,2',3,4,4',5,5'-Heptachloro[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane Price on request 2537.12-100MG (1-Hydroxyethyl)-4-(2-methylpropyl)benzene, neat, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 40150-92-3 Price on request