Perchlorate (ClO4-) Back Catalog number: 57002 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673830 Diflufenican, 100mg Price on request 1833.17-K-IO Ethylene glycol mono(p-nonylphenyl) ether, mixture of isomers, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request X9127 Methapyrilene HCl Price on request