Strontium (Sr) Back Catalog number: 57138 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0220.20-10MG Perylene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 198-55-0 Price on request 673259 Dimethoate, 100 µg/ml, Acetonitrile, 5ml Price on request 2619.32-10UG 17 alpha(H),21ß(H)-(22RS)-Bishomohopane, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 54352-50-0 Price on request