Isopropylbenzene, 1000µg/ml in Cyclohexane, 1ml Back Catalog number: 2155.9-K-CY Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 8481.22-K-AN Diltiazem hydrochloride,1000 µg base/mL,acetonitrile,1mL, Price on request 72001 Tris(2-chloroethyl)phosphate Price on request 2517.8-K-ME Caffeine, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 58-08-2 Price on request