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Home > HTS Codes > Chapter 29 > 2933 > 2933.99

Custom Duty Rate for HTS Code 2933.99 : Heterocyclic compounds with nitrogen hetero-atom[s] only (excluding those containing an unfused pyrazole, imidazole, pyridine or triazine ring, whether or not hydrogenated, a quinoline or isoquinoline ring-system, not further fused, whether or not hydrogenated, a pyrimidine ring, whether or not hydrogenated, or piperazine ring in the structure, and lactams, alprazolam "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", and salts thereof)

Heading/SubheadingArticle DescriptionUnit of QuantityRates of Duty
12
GeneralSpecial
2933.99.01.00Butyl (r)-2-[4-(5-trifluoromethyl-2-pyridinyloxy)phenoxy]propanoate, being a heterocyclic compoundkgFree15.4¢/kg + 50%
2933.99.02.002-[4-[(6-chloro-2-quinoxalinyl)oxy]phenoxy]propionic acid, ethyl ester, being a heterocyclic compoundkgFree15.4¢/kg + 64.5%
2933.99.05.00Acridine and indole, being heterocyclic compounds with nitrogen hetero-atom(s) onlykgFreeFree
2933.99.06.00Myclobutanil or fenbuconazole, being aromatic triazole derivativeskg10.00%Free (A,AU,BH,CA,CL,CO,D,E,IL,JO,KR,MA,MX,OM,P,PA,PE,S,SG)15.4¢/kg + 64.5%
2933.99.08.00Acetoacetyl-5-aminobenzimidazolone or other specified compounds, containing nitrogen hetero-atom(s)kgFree15.4¢/kg + 52%
2933.99.11.00Carbazole, being a heterocyclic compound with nitrogen hetero-atom(s) onlykgFree15.4¢/kg + 39.5%
2933.99.12.006-bromo-5-methyl-1h-imidazo[4,5-b]pyridine or other specified compounds, containing nitrogen hetero-atom(s)kg10.00%Free (A+,AU,BH,CA,CL,CO,D,E,IL,JO,K,KR,MA,MX,OM,P,PA,PE,S,SG)15.4¢/kg + 39.5%
2933.99.14.005-amino-4-chloro-alpha-phenyl-3-pyridazinone, being an aromatic heterocyclic pesticidekg10.00%Free (A,AU,BH,CA,CL,CO,D,E,IL,JO,KR,MA,MX,OM,P,PA,PE,S,SG)15.4¢/kg + 40.5%
2933.99.16.00O-diquat dibromide (1,1'-ethylene-2,2'-dipyridylium dibromide), being an aromatic heterocyclic pesticidekgFree15.4¢/kg + 40.5%
2933.99.17.01Aromatic heterocyclic insecticides, not specified elsewhere, containing nitrogen hetero-atom(s) onlykg10.00%Free (A,AU,BH,CA,CL,CO,D,E,IL,JO,KR,MA,MX,OM,P,PA,PE,S,SG)15.4¢/kg + 64.5%
2933.99.22.00Aromatic heterocyclic pesticides, other than insecticides, not specified elsewherekg10.00%Free (A,AU,BH,CA,CL,CO,D,E,IL,JO,KR,L,MA,MX,OM,P,PA,PE,S,SG)15.4¢/kg + 64.5%
2933.99.24.00Photographic chemicals, containing nitrogen hetero-atom(s) only, being aromatic or modified aromatickg10.00%Free (A,AU,BH,CA,CL,CO,D,E,IL,JO,KR,MA,MX,OM,P,PA,PE,S,SG)15.4¢/kg + 50%
2933.99.26.00Aromatic heterocyclic antihistamines, containing nitrogen hetero-atom(s) onlykg10.00%Free (A+,AU,BH,CA,CL,CO,D,E,IL,JO,K,KR,MA,MX,OM,P,PA,PE,S,SG)15.4¢/kg + 45%
2933.99.42.00Acriflavine, carbadox or pyrazinamide, being aromatic heterocyclic anti-infective agentskgFree15.4¢/kg + 46%
2933.99.46.00Aromatic heterocyclic anti-infective agents, not specified elsewhere, containing nitrogen hetero-atom(s)kg10.00%Free (A+,AU,BH,CA,CL,CO,D,E,IL,JO,K,KR,MA,MX,OM,P,PA,PE,S,SG)15.4¢/kg + 67.5%
2933.99.51.00Hydralazine hydrochloride, being an aromatic heterocyclic cardiovascular drugkgFree15.4¢/kg + 47.5%
2933.99.53.00Aromatic heterocyclic cardiovascular drugs, other than hydralazine hydrochloridekg10.00%Free (A+,AU,BH,CA,CL,CO,D,E,IL,JO,K,KR,MA,MX,OM,P,PA,PE,S,SG)15.4¢/kg + 65%
2933.99.55Analgesics, antipyretics and nonhormonal anti-inflammatory agents10.00%Free (A*,AU,BH,CA,CL,CO,D,E,IL,JO,K,KR,MA,MX,OM,P,PA,PE,S,SG)15.4¢/kg +47.5%
2933.99.55.10Tolmetin, being an aromatic heterocyclic analgesic or anti-inflammatory agentkg
2933.99.55.20Tolmetin sodium dihydrate, being an aromatic heterocyclic analgesic or anti-inflammatory agentkg
2933.99.55.30Tolmetin sodium (anhydrous), being an aromatic heterocyclic analgesic or anti-inflammatory agentkg
2933.99.55.90Aromatic heterocyclic analgesics or anti-inflammatory agents, other than tolmetin or its saltskg
2933.99.58.00Droperidol or imipramine hydrochloride, being aromatic heterocyclic psychotherapeutic agentskgFree15.4¢/kg + 45.5%
2933.99.61.00Aromatic heterocyclic psychotherapeutic agents, other than droperidol or imipramine hydrochloridekg10.00%Free (A+,AU,BH,CA,CL,CO,D,E,IL,JO,K,KR,MA,MX,OM,P,PA,PE,S,SG)15.4¢/kg + 149.5%
2933.99.65.00Aromatic heterocyclic anticonvulsants, hypnotics or sedatives, containing nitrogen hetero-atom(s)kg10.00%Free (A+,AU,BH,CA,CL,CO,D,E,IL,JO,K,KR,MA,MX,OM,P,PA,PE,S,SG)15.4¢/kg + 48.5%
2933.99.70.00Aromatic heterocyclic drugs affecting the central nervous system, not elsewhere specifiedkg10.00%Free (A+,AU,BH,CA,CL,CO,D,E,IL,JO,K,KR,MA,MX,OM,P,PA,PE,S,SG)15.4¢/kg + 58.5%
2933.99.75.00Aromatic heterocyclic drugs, not specified in other subheadings, containing nitrogen hetero-atom(s)kg10.00%Free (A+,AU,BH,CA,CL,CO,D,E,IL,JO,K,KR,MA,MX,OM,P,PA,PE,S,SG)15.4¢/kg + 45%
2933.99.79.00Aromatic heterocyclic compounds with nitrogen hetero-atom(s) only, described in additional u.s. note 3 to section vikg10.00%Free (A+,AU,BH,CA,CL,CO,D,E,IL,JO,K,KR,L,MA,MX,OM,P,PA,PE,S,SG)15.4¢/kg + 52%
2933.99.82Other10.00%Free (A+,AU,BH,CA,CL,CO,D,E,IL,JO,K,KR,L,MA,MX,OM,P,PA,PE,S,SG)15.4¢/kg + 52%
2933.99.82.10Benzotriazole, being an aromatic heterocyclic compound with nitrogen hetero-atom(s) onlykg
2933.99.82.20Tolyltriazole, being an aromatic heterocyclic compound with nitrogen hetero-atom(s) onlykg
2933.99.82.90Aromatic heterocyclic compounds with nitrogen hetero-atom(s) only, other than specified triazoleskg
2933.99.85.003-amino-1,2,4-triazole, being a nitrogen-heterocyclic compoundkg0.00%Free (A,AU,BH,CA,CL,CO,D,E,IL,JO,KR,MA,MX,OM,P,PA,PE,S,SG)30.00%
2933.99.89.00Hexamethyleneimine, being a heterocyclic compound with nitrogen hetero-atom(s) onlykgFree30.00%
2933.99.90.00Non-aromatic heterocyclic drugs, containing nitrogen hetero-atom(s) onlykg0.00%Free (A,AU,BH,CA,CL,CO,D,E,IL,JO,K,KR,MA,MX,OM,P,PA,PE,S,SG)30.00%
2933.99.97.01Non-aromatic heterocyclic compounds, not elsewhere specified, containing nitrogen hetero-atom(s) onlykg10.00%Free (A,AU,BH,CA,CL,CO,D,E,IL,JO,K,KR,L,MA,MX,OM,P,PA,PE,S,SG)30.00%

Disclaimer: The HTS code data and duty rates shown on this page are sourced from the Harmonized Tariff Schedule of the United States, Revision 15 (2025), published by the U.S. International Trade Commission (USITC). This information is provided for general reference purposes only. Credlix is a trade finance platform, not a licensed customs broker, freight forwarder, or trade law firm. It makes no warranty, express or implied, regarding the accuracy, completeness, or fitness of this data. Always verify against the latest schedule at hts.usitc.gov before making any import decisions.

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