BTEX (5.0 µg/mL) Back Catalog number: 98516 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1960.12-50-IO 2,3',4-Tribromodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 147217-77-4 Price on request 93358 1-Chloro-2-fluorobenzene Price on request 71836 1,2,4-Trichloro-5-nitrobenzene Price on request