WS Formaldehyde Back Catalog number: 38195 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0097.4-1ML Methyl-n-propylsulfide, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 3877-15-4 Price on request IPPFNS Sodium perfluoro-7-methyloctanesulfonate, 1.2ml x 50ug/ml, methanol Price on request 2036.12-50-T Octachlorodibenzo-p-dioxin, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 3268-87-9 Price on request