Heptachlor Back Catalog number: 70192 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1519.11-K-IO 5-tert-Butyl-2-methylphenol, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 5781-02-2 Price on request 83595 Picloram Price on request S-4254-50-10T Sulfur Calibr. Mix. Dibenzothiophene in Toluene (20 cSt)Unit: 10mL screw-capped bottle Matrix White oil White Oil Concentration Isooctane Toluene 3 cSt Price on request