Tungsten (W) Back Catalog number: 57174 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9255.32-25-5DRIED Ergocryptinine, 25µg/mL, Solvent-dried down, Unit 5mL, # of units-1, Cas.no. 511-10-4 Price on request 64446 Fermentation standard Mix, in Water, 1ml Price on request PCN-STK-A PCN Native Stock Solution, 1000ng/ml in Nonane, 1,2ml Price on request