Pyrene Back Catalog number: 79038 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 94759 Benzidine Price on request 11748.12-100-IO 2,2',3,5,6,6'-Hexachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request 72453 Nicosulfuron, 1000µg/ml in Acetonitrile, 1ml Price on request