BTEX (2.0 µg/mL) Back Catalog number: 98515 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11680.12-100-IO 2,3',4'-Trichlorobiphenyl (= 2',3,4-),100 µg/mL,isooctane,1mL, Price on request 70372 5-alpha-Androstane Price on request 2459.7-K-IP 3-Methyl-4-nitrophenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 2581-34-2 Price on request