QC Check Sample Back Catalog number: 59250 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 72252 Sodium propionate Price on request 0414.11-150-CYX10 n-Undecane, ?13C: -26.11, 150ug/ml, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no. 1120-21-4 Price on request S-4241-2K-IPX5 EPA 8040 Surrogate Standard S-4241 2mg/mL each in isopropanol, 1 mL, 5 x 1mL, 5mL 2-Fluorophenol 2,4,6-Tribromophenol Price on request