Mineral Spike Back Catalog number: 50420 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0637.30-5MG Lup-3-one, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 3186-72-9 Price on request 2190.3-50-ME Perfluoropropionic acid, sodium salt, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 378-77-8 Price on request MDF-234678 2,3,4,6,7,8-Hexachloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene Price on request