Mono-ethyl phthalate (ring-1,2-13C2,99%, dicarboxyl-13C2,99%) 100 µg/mL in MTBE Back Catalog number: CLM-4586-MT-1.2 Availability: In the manufacturer's stock Price on request - + Recommended 1749.16-K-IO 3-n-Dodecylthiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 104934-52-3 Price on request 31421 Toluene Price on request 2954.10-100-IO Malathion-d7 (dimethyl-d6;3-d1), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 352438-94-9 Price on request