1,2,4,5-Tetrachlorobenzene, 1000µg/ml in MeOH, 1ml Back Catalog number: 70274 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended DF-IS-G200 Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane Price on request 41016 Dibenzo(a,h)anthracene, 100µg/ml in Acetonitrile, 1ml Price on request 3923.15-10UG Lamotrigine-2N-glucuronide, neat, Solvent-neat, Unit ca. 10µg, # of units-1, Cas.no. 135288-68-5 Price on request