trans-1,4-Dichloro-2-butene

Powder reagents for total chlorine (100 tests)

Pentachlorophenol ICV Mix

2-Methylcyclopenta[l]phenanthrene, 500 µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 121254-39-5