Tecnazene, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 678506 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 2538.14-K-ME Naproxen Price on request 57047 Silver (Ag), 1000µg/ml in 2%-HNO3/Water, 100ml Price on request X9064 Di-n-butyl phthalate Price on request