Terbium (Tb) Back Catalog number: 56065 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3705.9-65-05HC Descarbamoylsaxitoxin, 65µM, Solvent-3mM HCl, Unit 0.5mL, # of units-1, Cas.no. Price on request 3130.5-K-IO Pentanoic acid (Valeric), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 109-52-4 Price on request 71549 2,2,5,5-Tetramethyltetrahydrofuran Price on request