Homovanillic acid, 25mg Back Catalog number: 685315 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended S-12401A1-1ML Methoprotryne, 100µg/ml in Acetonitrile, 1ml Price on request 59910 Cations Std. Level 5 Price on request 679659 delta-HCH, 10.0 µg/ml, Cyclohexane, 10ml Price on request