Aromatics Quantitative Calibration Mix #4 Back Catalog number: 51132 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended D453000-500MG rac 3,4-Dihydroxymandelic Acid, 500mg Price on request 8909.14 5-Methyl-2,2',4,4'-tetrachlorodiphenylmethane, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. Price on request 0014.16-5MG 1,6-Dinitropyrene, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 42397-64-8 Price on request