QC Standard 4 Back Catalog number: 52087 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677932 2,4,5-T-methyl ester, 100 µg/ml, Acetonitrile, 1 Price on request 1228.22-K-IO Bis(2-ethylhexyl) adipate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 103-23-1 Price on request 680280 Stearic acid, 250mg Price on request