1,4-Difluorobenzene Back Catalog number: 70155 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-IS-F200 Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane Price on request 71665 4-Chloroanisole Price on request 10341.28-100-IO n-Nonyl n-undecyl phthalate Price on request