EPN, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 678089 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 71200 g-Butyrolactone Price on request 98864 Formaldehyde-DNPH Level 7 (20ug/mL) Price on request XA20950902CY PAH-Mix 9 deuterated, 100µg/mL in Cyclohexane, 1ml Price on request