Perchlorate (ClO4-), 100µg/mL in Water, 100ml Back Catalog number: 59344 Availability: In the manufacturer's stock Price on request - + Recommended 676872 Cyclopentanone, 1ml Price on request CLM-3375-1.2 Ethynylestradiol (20,21-13C2,99%) 100 µg/mL in Acetonitrile, 1,2ml Price on request 96651 Internal Standard Price on request