TBBPA-DBPE, 100 µg/ml, Methanol, 1ml Back Catalog number: 679864 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 92357 EPA Method 8141/1657 Surrogate Standard Price on request 677838 2-Hydroxyibuprofen, 100 µg/ml, Acetonitrile, 1ml Price on request 92559 EPA Method 624 Internal / Surrogate Standard Price on request