Parathion ethyl, 1000µg/ml in MeOH, 1ml Back Catalog number: 70383 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 3689.16-K-IO 4-tert-Octylphenol EO, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2315-67-5 Price on request 677044 Non-Buffered Mix-2 Price on request 0465.16-200-T 1,4-Dimethylanthracene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 781-92-0 Price on request