BTEX (20 µg/mL) Back Catalog number: 98518 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9348.17-K-ME Omeprazole Price on request 2781.9-100-CY Fenitrothion, 100µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 122-14-5 Price on request 0882.16-500-IO 3,10-Dimethylphenanthrene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 66291-33-6 Price on request