CLP - Instrument Performance Check Solution Back Catalog number: 19167 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1985.18-K-MEX5 Triphenyltin chloride, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-5, Cas.no. 639-58-7 Price on request 59343 Perchlorate Level 5 Price on request 673116 DL-alpha-Tocopherol, 500mg Price on request