2-(Trifluoromethyl)benzoic acid, 100mg Back Catalog number: C17845200 Availability: In the manufacturer's stock Price on request - + Recommended 1960.12-50-IO 2,3',4-Tribromodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 147217-77-4 Price on request DF-IS-I40 Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane Price on request 2621.32-10UG 17ß(H),21ß(H)-(22RS)-Bishomohopane , neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 54311-28-5 Price on request