CLP Calibration Std. IV Back Catalog number: 52152 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended XA11290000AL Chlorfenvinphos, 100µg/mL in Acetonitrile, 1ml Price on request Y0000583 Valerian dry extract, 400mg Price on request 675506 Fentin acetate, 250mg Price on request