Levulinic acid, 250mg Back Catalog number: 677804 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended S-4341-K-HXX10 Quality Control Standard of Mineral Oils 2 2x500µg/ml in n-Hexane i 1ml crimp-top Price on request 70673 Ethephon Price on request GLC-673-B GLC reference standard GLC-673-B, 100mg Price on request