1,4-Difluorobenzene Back Catalog number: 70155 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2800.22-5MG Betamethasone, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 378-44-9 Price on request S-4051-2-10HW Sulfur Calibration Mixtures: Di-n-butyl sulfide in Heavy White Oil (less than 20mg/kg S) Unit : 10mL screw-capped bottle Light White Mineral Oil Heavy White Mineral Oil (20 cSt at 40°C) (70 cSt at 40°C) Price on request 673951 Parathion-methyl, 100mg Price on request