Calibration Standard Set Back Catalog number: 53042 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9069.7-K-IP 4,6-Dichloroguaiacol , 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 16766-31-7 Price on request 676286 Mepanipyrim, 100 µg/ml, Acetonitrile, 1ml Price on request 57281 Thallium (Tl) Price on request