Instrument Standard 5 Back Catalog number: 52081 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended PN-27S 1,2,3,4-Tetrachloronaphthalene, 1.2ml x 50ug/ml, nonane Price on request 9002.21-100-ME Cortisol-9,11,12,12-d4, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 73565-87-4 Price on request 71457 2,5-Dibromotoluene Price on request