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 8712.12-100-IO 2,2',3,3',4,4',5',6-Octachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 42740-50-1 Price on request 3974.9-K-CY cis-1,2,cis-1,4-1,2,4-Trimethylcyclohexane, 1000µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 1678-80-4 Price on request 2547.12-100MG 1-[4-(2-Methylpropyl)phenyl]ethanone, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 38861-78-8 Price on request