BTEX (20 µg/mL) Back Catalog number: 98518 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 4PM201 2,2',3,3',4',5,6,6'-Octachloro-4-methoxybiphenyl, 1.2ml x 50ug/ml, nonane Price on request 91623 Pesticide Mix #2 Price on request 684125 2-(1-Hydroxyethyl)-6-methylaniline, 5mg Price on request