Hafnium (Hf) Back Catalog number: 58072 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3449.8-100-AN Methyl parathion, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 298-00-0 Price on request 73478 2,6,?,?-Tetrachlorotoluene Price on request 79588 Isofenphos Price on request