Sodium Perchlorate (18O4) Back Catalog number: 54022 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0443.8-K-ME Isooctane, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 540-84-1 Price on request 70945 Propyl ether Price on request 1599.13-10MG 2-Hydroxyfluorene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 2443-58-5 Price on request