Theophylline, 100µg/ml in MeOH, 5ml Back Catalog number: 18000-1150-100ME5 Manufacturer: NEOCHEMA Availability: In the manufacturer's stock Price on request - + Recommended 3379.8-100 Dicrotophos, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 141-66-2 Price on request 14800-0160-50ME5 Trifluoromethanesulfonic acid, 50µg/ml in MeOH, 5ml Price on request 673616 beta-HCH, 100 µg/ml, Ethyl acetate, 5ml Price on request