Pyrene Back Catalog number: 92540 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 31056 EPA Method 552.1 - Surrogate Standard Price on request 34281 trans-1,2-Dichloroethene Price on request 11982.27-K-ME Difluprednate,1000 µg/mL,MeOH,1mL, Price on request