Fermentation Standard Back Catalog number: 97121 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0392.10-K-IO n-Butylbenzene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 104-51-8 Price on request 96049 VOC Standard 3 Price on request 9537.10-K-HX 2,4-Dimethylethylbenzene, 1000µg/mL, Solvent-hexane, Unit 1mL, # of units-1, Cas.no. 874-41-9 Price on request