Discontinued ... Back Catalog number: 51123 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4007-ASS-AC PAH/NPD Stock Solution 21 Analytes, each concentration as listed in acetone; units: 1x1mL, 5x1mL 0711.10 Naphthalene [91-20-3] 1.86 µg/mL 0713.11 2-Methylnaphthalene [91-57-6] Price on request 0318.20-200-T 13(H)-Dibenzo[a,i]carbazole, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 239-64-5 Price on request FRS-039S Hexachlorocyclopantadienyl-dibromocyclooctane, 100µg/ml in Toluene, 1ml Price on request