Perfluoro-3,5,5-trimethylhexanoic acid, 1.2ml x 50ug/ml, methanol Back Catalog number: P355TMHXA Availability: In the manufacturer's stock Price on request - + Recommended 30004 EPA Method 500 Series Internal Standard #5 Price on request C177605 Carboxin Sulfoxide, 50mg Price on request 673705 Tetradifon, 10.0 µg/ml, Ethyl acetate, 10ml Price on request