CWA BTEX & MTBE Back Catalog number: 38166 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2127.12-100-IOX5 Arochlor 1248 , 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 12672-29-6 Price on request 50647 Sodium arsenate dibasic heptahydrate (As) Price on request 71231 2,4-Dimethylpentane Price on request