4,4'-DDE, 10.0 µg/ml, Ethyl acetate, 10ml Back Catalog number: 673533 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 10228.14-100-ME Benzyl 2-hydroxybenzoate-3,4,5,6-d4, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1219802-40-0 Price on request LS20950009CY PAH-Mix 9, 10µg/mL in Cyclohexane, 5 x 1ml Price on request 691029 Ferulic Acid, 250mg Price on request