CWA Perchlorate Back Catalog number: 55116 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2139.2-1ML Ethylene sulfide, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 420-12-2 Price on request S-4453-4K-5ACX10 ISO 9377-2MOD Quality Control Standard of Base Oil EDC 95/11 4000µg/mL in acetone, 1x1mL, 5x1mL, 10x1mL Price on request CLF14072.12-100-I 1,2,5,6,9,10-Hexachlorododecane, 100µg/ml in Isooctane, 1ml Price on request