Theophylline

ISO 17353/23161 Multicomponent OC* Standard Solution, Stock Solution A 8 Analytes, each 1000µg/mL OC in methanol; units: 5x1mL, 5x5mL * OC: Organotin cation OCT: Organotin compound Prod.No. Compound CAS No. OCT 1983.4Mono-n-butyltin trichloride [11

Oxygenated Quantitative Calibration Mixtures (without Internal Standard) 4 Analytes, each Wt.% as listed in isooctane/xylene (65:35); unit: 5x10mL one of each Std. Analyte Analyte Std. 1 Std. 2 Std. 3 Std. 4 Std.

1-Propylimidazole, 25mg