Theophylline Back Catalog number: 79628 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4168-ASS-10IO Valve Timing Calibration Mix (with Internal Standard) 5 Analytes, each Wt.% as listed in isooctane; units: 1x10mL and 5x10mL Name Wt.% Name Wt.% Benzene 4.5 o-Xylene Price on request 12356.14-100-ME Monocyclohexyl phthalate-3,4,5,6-d4, 100µg/ml in MeOH, 1ml Price on request 674877 Kanamycin monosulfate, 100mg Price on request