Theophylline, 100µg/ml in MeOH, 5ml Back Catalog number: 18000-1150-100ME5 Manufacturer: NEOCHEMA Availability: In the manufacturer's stock Price on request - + Recommended 21113 EPA Method 8260 - Purgeable Internal Standard Price on request 674871 Carbadox, 100mg Price on request 685688 Acetone-2,4-DNPH, 1000μg/ml in Acetonitrile, 5ml Price on request