Ibuprofen, 100 µg/ml, Methanol, 1ml Back Catalog number: 681069 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 31004 EPA Method 500 Series Internal Standard Price on request 9339.13-100-IO Methyl dihydrojasmonate, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 24851-98-7 Price on request 94450 Pesticide Standard Price on request