Chitin, Practical Grade, 1g

1,4-Dinitrosopiperazine, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 140-79-4

Fenthion, 10µg/mL in Cyclohexane, 10ml

Atrazine-desisopropyl D5 (ethylamino D5), 100µg/ml in Acetone, 1ml