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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 70,515 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 May 2026

Products under this heading

HSProductShipments
293399Heterocyclic compounds with nitrogen hetero-atom(s) only, other22,028
2933716-Hexanelactam (ε-Caprolactam)7,558
293361Compounds containing an unfused triazine ring (whether or not hydrogenated) in the structure, melamine7,442
293379Lactams, other lactams7,251
293319Compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure, other6,124
293369Compounds containing an unfused triazine ring (whether or not hydrogenated) in the structure, other6,009
293339Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure, other5,747
293359Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure, other3,072
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)2,458
293349Compounds containing in the structure a quinoline or isoquinoline ring-system (whether or not hydrogenated), not further fused, other1,578
293331Pyridine and its salts453
293329Compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure, other452
293372Clobazam (INN) and methyprylon (INN)176
293321Hydantoin and its derivatives167
HS 2933: Heterocyclic compounds with nitrogen hetero-atom(s) only — U.S. Import Data | ImportDoor