QC Standard 2 Back Catalog number: 56085 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 90898 3,3’-Dimethylbenzidine Price on request 2101.20-K-IO Di-n-hexyl phthalate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 84-75-3 Price on request 2879.5-1ML Isopropyl acetate, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 108-21-4 Price on request