Pesticide Standard Back Catalog number: 92699 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended S-4058 Dibenzothiophene in Xylene S-4058 1000 µg/mL, 5x1mL ampoules Please request for diluted samples in the range 1 to 1000mg/mL. Price on request 70282 Toluene-d8 Price on request 79481 2,6-Di-tert-butyl-1,4-benzoquinone Price on request