Calibration Standard Mix 4 Back Catalog number: 53013 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 72900 1-Dodecanethiol Price on request 2574.26-5MG Benzo[a]pentacene, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 239-98-5 Price on request 8019.8-K-IO 5-Fluorosatin, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 443-69-6 Price on request