Sulfotep, 100 µg/ml, Ethyl acetate, 1ml Back Catalog number: 677926 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 0980.28-10-IO d4 C28 alpha alpha alpha (20R)/C29 alpha alpha alpha (20R)-Methyl/Ethylcholestane, 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request 50640 Ferrous Iron (Fe) Price on request 95259 PCB Mix 2.5 ppb Price on request