Demands Back Catalog number: 59597 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11742.12-100-IO 2,2',3,4,5',6-Hexachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request 91704 EPA Method 502.2 Surrogate Standard Price on request 2748.13-1G Benzophenone, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 119-61-9 Price on request