Aroclor 1221 Back Catalog number: X9160 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended PLAS-AX-019N 2H-benzimidazole-2-thione, 1,3-di-hydro-4(or 5)-methyl Price on request 92218 Appendix II Semi-Volatile Mix Price on request 0400.21-150-CY n-Heneicosane, ?13C: -28.59, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 629-94-7 Price on request