AA Standard #1 Back Catalog number: 59227 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677619 Chlorthiamid, 100 µg/ml, Ethyl acetate, 1ml Price on request 3444.6-100-AN Methidathion, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 950-37-8 Price on request 3477.18-100-CY Perthane Price on request