EPA Method 531.1 Individual Analytes Back Catalog number: 31241 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8537.16-250MG n-Butyl iso-butyl phthalate (n-Butyl 2-methylpropyl phthalate), neat, Solvent-neat, Unit 250mg, # of units-1, Cas.no. 17851-53-5 Price on request S-4357-500-AC ISO 17495Methylated Phenols Stock Solution, 14 Analytes, each 500µg/mL in acetone; units: 5x1mL Prod.No. Compound CAS No. 2442.7 2-Nitroanisole [91-23-6] 2443.7 3-Nitroanisole [555-03-3] 2444.7 4-Nitroanisole [100-17-4] 2448.8 4-Methyl-2-nitroaniso Price on request BDD-1234678 1,2,3,4,6,7,8-Heptabromodibenzo-p-dioxin, 1.2ml x 25ug/ml, toluene Price on request