Section 06 Products of the chemical or allied industries 29 Organic chemicals 29 33 Heterocyclic compounds with nitrogen hetero-atom(s) only; 29 33 71 6-Hexanelactam (epsilon-caprolactam) 29 33 71 00 6-Hexanelactam (epsilon-caprolactam) Commodity Code Description 29 33 71 00 000 6-Hexanelactam (epsilon-caprolactam)