Lead (Pb) Back Catalog number: 50053 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675366 4-OH-Pyriproxyfen (4'-OH-Pyr), 10mg Price on request 676369 Undecafluorohexanoic acid, 100mg Price on request 70252 Phenol-d6, 1000µg/ml in MeOH, 1ml Price on request