Naproxen, 100µg/ml in MeOH, 1ml Back Catalog number: 96589 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 34291 1,1-Dichloroethane, 2000µg/ml in MeOH, 1ml Price on request 2125.12-10-IO Arochlor 1221 , 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 11104-28-2 Price on request 59343 Perchlorate Level 5 Price on request