Sulfur (S) Back Catalog number: 57216 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8483.19-100-ME Metoprolol tartrate, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 56392-17-7 Price on request X9178 Phenacetin Price on request 10889.2-K-ME Ethyl sulfate sodium salt,1000 µg ethyl sulfate/mL,MeOH,1mL, Price on request