Surrogate Standard Back Catalog number: 91625 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8543.14-K-IO Musk ketone, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 81-14-1 Price on request 10884.18-10MG Estrone-16,16-d2,neat,neat,10mg, Price on request 57074 Tungsten (W) Price on request