Zirconium (Zr) Back Catalog number: 58140 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0723.12-K-IO 1,4-Dimethylnaphthalene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 571-58-4 Price on request 681707 Methotrexate hydrate, 100mg Price on request 2326.12-10-IOX5 Arochlor 5460 , 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 11126-42-4 Price on request