BTEX Standard Back Catalog number: 94132 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2687.18-K-IO Hexaethylbenzene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 604-88-6 Price on request 8870.8-K-IO 2-Acetyl-3-ethylpyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. Price on request 71136 1-Chloro-3-fluorobenzene Price on request