Theophylline Back Catalog number: 79628 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 682715 (3S,14S)-Ochratoxin A, 100 µg/ml, Acetonitrile, Price on request L20017000IO PCB No. 170, 10 ng/µl, 10ml Price on request 94001 Indeno(1,2,3-cd)pyrene Price on request