Theophylline Back Catalog number: 72031 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1135.15-10MG n-Pentadecane, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 629-62-9 Price on request 1398.19-K-IO Methyl octadecanoate (Methyl stearate), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 112-61-8 Price on request 2195.11-K-ME 1-Methyl-4-nitronaphthalene, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 880-93-9 Price on request