Sulfate (SO42-) Back Catalog number: 50734 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 14076.9-K-ME Homovanillic acid-d5, 1000µg/ml in MeOH, 1ml Price on request 58114 Silicon (Si) Price on request 8378.18-50-5AN Sterigmatocystine, 50µg/mL, Solvent-acetonitrile, Unit 5mL, # of units-1, Cas.no. 10048-13-2 Price on request