Theophylline Back Catalog number: 79628 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70596 Coumaphos, 1000µg/ml in MeOH, 1ml Price on request 8845.7-K-IO 2-Isopropylpyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. Price on request 50469 ICP Mix - 2.0 µg / mL Price on request