Levulinic acid Back Catalog number: 72423 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 681069 Ibuprofen, 100 µg/ml, Methanol, 1ml Price on request 677651 Demeton-O, 25mg Price on request 678514 Triazophos, 100 µg/ml, Acetonitrile, 5ml Price on request