Skip to main content
ImportDoor Logo

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 70,340 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 June 2026

Products under this heading

HSProductShipments
293399Heterocyclic compounds with nitrogen hetero-atom(s) only, other21,960
2933716-Hexanelactam (ε-Caprolactam)7,514
293361Compounds containing an unfused triazine ring (whether or not hydrogenated) in the structure, melamine7,432
293379Lactams, other lactams7,240
293319Compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure, other6,121
293369Compounds containing an unfused triazine ring (whether or not hydrogenated) in the structure, other5,977
293339Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure, other5,741
293359Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure, other3,076
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)2,449
293349Compounds containing in the structure a quinoline or isoquinoline ring-system (whether or not hydrogenated), not further fused, other1,578
293329Compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure, other455
293331Pyridine and its salts452
293372Clobazam (INN) and methyprylon (INN)176
293321Hydantoin and its derivatives169
HS 2933: Heterocyclic compounds with nitrogen hetero-atom(s) only — U.S. Import Data | ImportDoor