CLP - Pesticide Surrogate Spike Solution Back Catalog number: 21023 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 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 10533.28-1MG 25-Hydroxyvitamin D2-d6 (Dimethyl 26,27-d6) Price on request MCBS Mass-Labelled Chlorobenzene Solution/Mixture, 1.2ml, isooctane Price on request