2-Nitropyrene, 200ug/mL in Toluene, 1ml Back Catalog number: 1468.16-200-T Manufacturer: CHIRON AS Availability: In the manufacturer's stock Price on request - + Recommended 11668.12-100-IO 3,4-Dichlorobiphenyl ,100 µg/mL,isooctane,1mL Price on request 97742 EPA Method 8270 PAH Standard Price on request 30105 EPA Method 552,552.1,552.2 Internal Std Price on request