BTEX (2.0 µg/mL) Back Catalog number: 98515 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1810.13-50-IO Hexachlorophene, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 70-30-4 Price on request 2312.12-100-CY Isoproturon Price on request 673250 Demeton-S-methyl-sulfoxide, 10.0 µg/ml, Acetonitr Price on request