Cesium (Cs) Back Catalog number: 57355 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9296.22-100-AC Propoxyphene hydrochloride, 100µg/mL, Solvent-acetone, Unit 1mL, # of units-1, Cas.no. 1639-60-7 Price on request 9360.19-K-IO iso-Butyl benzyl phthalate (2-Methylpropyl benzyl phthalate), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 72170-45-7 Price on request 2622.33-10UG 17 alpha(H),21ß(H)-(22RS)-Trishomohopane , neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 54340-13-5 Price on request