Theophylline, 100µg/ml in MeOH, 5ml Back Catalog number: 18000-1150-100ME5 Manufacturer: NEOCHEMA Availability: In the manufacturer's stock Price on request - + Recommended 1540.12-K-TX10 4-Aminobiphenyl-d9, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 344298-96-0 Price on request 0764.16-500-IO 1,9-Dimethylphenanthrene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 20291-73-0 Price on request 676956 Perfluorohexadecanoic acid, 100mg Price on request