BTEX (20 µg/mL) Back Catalog number: 98518 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 96631 Cocaine Mix Price on request 4PM97 2,2',3,4',5'-Pentachloro-4-methoxybiphenyl, 1.2ml x 50ug/ml, nonane Price on request 8581.6-50-ME Perfluorohexane sulfonic acid, potassium salt, 50ug/ml, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 3871-99-6 Price on request