Internal Standard Solution, 1.2ml, nonane Back Catalog number: NK-IS-J5 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended P-802S Fenpropidin, 100µg/ml in MeOH, 1ml Price on request 2503.12-50-IO 5,6-Difluoro-2,2',3,4,4'-pentabromodiphenyl ether (2,2',3,4,4'-Pentabromo-5,6-difluorodiphenyl ether), 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 886748-33-0 Price on request 66123 2',3,4,4',5-Pentachlorobiphenyl (123) Price on request