Formaldehyde Oxazolidine 2000 µg/mL in Toluene, analytical standard (Supelco)

Benzidine-DFTPP solution in methylene chloride, analytical standard (Supelco)

trans-6-Petroselaidic Methylester, analytical standard (Supelco)

N,N'-(2-Methyl-1,3-Phenylene)Bis(4-(2-Pyridinyl)-1-Piperazinecarboxamide), 1000 µg/mL in DMSO, analytical standard (Supelco)

N,N'-(4-Methyl-1,3-Phenylene)Bis(4-(2-Pyridinyl)-1-Piperazinecarboxamide), analytical standard (Supelco)

4'-Hydroxyacetophenone, analytical standard

p-Toluic acid, analytical standard

4-Nitrotoluene 1000 µg/mL in Acetonitrile, analytical standard (Supelco)

4-Isopropyltoluene, analytical standard (Supelco)

4-Isopropyltoluene, analytical standard, for GC