Methamidophos Back Catalog number: 3443.2-100-AN Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 82450 EPA Method 1666 Standard #2 Price on request 90184A Toxaphene 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