Surrogate Mix Back Catalog number: 91986 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0259.17-K-T 11H-Benzo[a]fluorene, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 238-84-6 Price on request BP-MS Native PCB Solution/Mixture for MS Detection, 1.2ml, nonane Price on request 1087.18-K-TX10 Benz[a]anthracene-d12, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 1718-53-2 Price on request