Pentachlorophenol-PFB derivative Back Catalog number: 71580 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8481.22-K-AN Diltiazem hydrochloride,1000 µg base/mL,acetonitrile,1mL, Price on request 91297 EPA Method 525.2 - 526 Internal Standard Price on request 680681 Aminocyclopyrachlor, 25mg Price on request