QC Check Sample Back Catalog number: 59528 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1668.12-100-IO 1,2-Dichlorododecane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 75121-23-2 Price on request EPA-23CS3 Calibration Verification Solution, 1ml, nonane Price on request 70573 a-Methylstyrene Price on request