Hexachlorobutadiene, 1000µg/ml in Toluene, 1ml Back Catalog number: 79116 Availability: In the manufacturer's stock Price on request - + Recommended 3189.20-K-IO Ethyl octadecanoate , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 111-61-5 Price on request 27013 EPA Method 8260B - Purgeable Internal Std Price on request 91983 IS Mix 01 - Sequoia Price on request