CWA MBAS Back Catalog number: 55083 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673291 Fenthion, 100 µg/ml, Acetonitrile, 5ml Price on request 679999 4-Ethyltoluene, 100 µg/ml, Methanol, 1ml Price on request 2127.12-K-IO Arochlor 1248 , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 12672-29-6 Price on request