Mono-n-butyl phthalate (ring-1,2-13C2, dicarboxyl-13C2, 99%) 100 µg/mL in MTBE, 1,2ml Back Catalog number: CLM-4590-MT-1.2 Availability: In the manufacturer's stock Price on request - + Recommended 2755.11-100-IO 6-Methyl-2-naphthol, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 17579-79-2 Price on request 1317.18-100-T 3-Fluorochrysene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 36288-22-9 Price on request 72238 n-Heptane-d16 Price on request