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HS 2933 — Heterocyclic compounds with nitrogen hetero-atom(s) only

HS heading 2933 (Heterocyclic compounds with nitrogen hetero-atom(s) only) spans 14 products in U.S. import records, with 70,169 bill-of-lading shipments. The most imported are Heterocyclic compounds with nitrogen hetero-atom(s) only, other, 6-Hexanelactam (ε-Caprolactam), and Compounds containing an unfused triazine ring (whether or not hydrogenated) in the structure, melamine.

Part of Chapter 29: Organic chemicals

Sourced from U.S. Customs bill of lading data · Updated monthly · Data through July 2026

Products under this heading

HSProductShipments
293399Heterocyclic compounds with nitrogen hetero-atom(s) only, other21,834
2933716-Hexanelactam (ε-Caprolactam)7,511
293361Compounds containing an unfused triazine ring (whether or not hydrogenated) in the structure, melamine7,447
293379Lactams, other lactams7,235
293319Compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure, other6,118
293369Compounds containing an unfused triazine ring (whether or not hydrogenated) in the structure, other5,930
293339Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure, other5,746
293359Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure, other3,089
293391Alprazolam (INN), camazepam (INN), chlordiazepoxide (INN), clonazepam (INN), clorazepate, delorazepam (INN), diazepam (INN), estazolam (INN), ethyl loflazepate (INN), fludiazepam (INN), flunitrazepam (INN), flurazepam (INN), halazepam (INN), lorazepam (INN), lormetazepam (INN), mazindol (INN), medazepam (INN), midazolam (INN), nimetazepam (INN), nitrazepam (INN), nordazepam (INN), oxazepam (INN), pinazepam (INN), prazepam (INN), pyrovalerone (INN), temazepam (INN), tetrazepam (INN) and triazolam (INN)2,439
293349Compounds containing in the structure a quinoline or isoquinoline ring-system (whether or not hydrogenated), not further fused, other1,569
293329Compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure, other454
293331Pyridine and its salts448
293372Clobazam (INN) and methyprylon (INN)178
293321Hydantoin and its derivatives171
HS 2933: Heterocyclic compounds with nitrogen hetero-atom(s) only — U.S. Import Data | ImportDoor