DNPH - Mix 4, 50μg/ml in Acetonitrile, 5ml Back Catalog number: 13440-50AN5 Manufacturer: NEOCHEMA Availability: In the manufacturer's stock Price on request - + Recommended 9280.16-100-ME DL-Propranolol hydrochloride, 100µg base/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 318-98-9 Price on request 21056 CLP Acid & Base/Neutral Surrogate Mix Price on request 19030 EPA Method 507 - Performance Check Solution Price on request