PSA-GCB-Mix 1 Back Catalog number: 674494 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 9282.28-100-ME Sildenafil citrate,100 µg base/mL,MeOH,1mL Price on request 682410 2-(Diethylamino)ethanol, 1000mg Price on request 8779.14-K-IO Di-n-propyl phthalate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 131-16-8 Price on request