Internal Standard for AB SIM Back Catalog number: 94541 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673974 4-Nitrophenol, 100 µg/ml, Methanol, 5ml Price on request 3804.15-25MG 6-Chloro-4-(2-chlorophenyl)-2-quinazoline carboxaldehyde, neat, Solvent-neat, Unit 25mg, # of units-, Cas.no. 93955-15-8 Price on request 2719.4-50-ME Perfluorobutane sulphonate, potassium salt, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 29420-49-3 Price on request