Chapter 29 · Organic chemicals · Section 6

HS Code 2933.59

Other

Heading 2933: Heterocyclic compounds with nitrogen hetero-atom(s) only

US duty (general)
Free - 6.5%
US HTS lines
13
EU CN codes
4
UK commodity codes
43
Unit
kg

US HTS + UK Tariff v4.0.1633 · updated 2026-10-21 · sources

Rates on this page are the official published schedule rates, shown for information. This is not a customs ruling: preference programs, Section 232/301 surcharges and per-shipment fees can change what you actually pay.

United States - HTS lines under 2933.59

Source: official Harmonized Tariff Schedule (USITC). "General" is the normal-trade-relations rate; "Special" lists preference programs; "Other" is the column-2 rate. Additional Section 232/301 duties may apply on top.

HTS codeDescriptionGeneralSpecialOtherUnit
2933.59.10 Pesticides > Aromatic or modified aromatic >
Herbicides 		6.5% Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) 15.4¢/kg + 48.5% kg
2933.59.15 Pesticides > Aromatic or modified aromatic >
Other 		6.5% Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) 15.4¢/kg + 64.5% kg
2933.59.18 Pesticides > Aromatic or modified aromatic >
Other 		6.5% Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) 30.5% kg
2933.59.21 Drugs > Aromatic or modified aromatic >
Antihistamines, including those principally used as anti-nauseants 		6.5% Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) 15.4¢/kg + 82% kg
2933.59.22 Aromatic or modified aromatic > Anti-infective agents >
Nicarbazin; and Trimethoprim 		6.5% Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) 15.4¢/kg + 46% kg
2933.59.36 Aromatic or modified aromatic > Anti-infective agents >
Other 		6.5% Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) 15.4¢/kg + 67.5% kg
2933.59.46 Aromatic or modified aromatic > Anti-infective agents >
Antidepressants, tranquilizers and other psychotherapeutic agents 		6.5% Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) 15.4¢/kg + 149.5% kg
2933.59.53 Aromatic or modified aromatic > Anti-infective agents >
Other 		6.5% Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) 15.4¢/kg + 45% kg
2933.59.59 Aromatic or modified aromatic > Anti-infective agents >
Other 		3.7% Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) 25% kg
2933.59.70 Other > Aromatic or modified aromatic >
Products described in additional U.S. note 3 to section VI 		6.5% Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) 15.4¢/kg + 52% kg
2933.59.80 Other > Aromatic or modified aromatic >
Other 		6.5% Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) 15.4¢/kg + 52% kg
2933.59.85 Other > Other >
2-Amino-4-chloro-6-methoxy pyrimidine; 2-Amino-4,6-di methoxy pyrimidine; and 6-Methyl uracil 		Free - 30.5% kg
2933.59.95 Other > Other >
Other 		6.5% Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,L,MA,OM,P,PA,PE,S,SG) 30.5% kg

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Enter the customs value (and quantity, when a rate is per-unit) to estimate the general-rate duty per HTS line. Estimates exclude Section 232/301 surcharges, MPF/HMF and fees. Not a customs ruling.

European Union - CN codes under 2933.59

Source: EU Combined Nomenclature (Eurostat, © European Union, reused per Decision 2011/833/EU). Duty rates and measures live in TARIC; each code links to the official consultation.

CN codeDescription
2933 59 10 Diazinon (ISO) EU duty (TARIC) →
2933 59 95 Other EU duty (TARIC) →
2933 59 20 1,4-Diazabicyclo[2.2.2]octane (triethylenediamine) EU duty (TARIC) →
2933 59 00 Other EU duty (TARIC) →

United Kingdom - commodity codes under 2933.59

Source: UK Integrated Online Tariff (Open Government Licence v3.0). Declarable 10-digit codes go on the customs declaration; check the official page for the current duty and VAT measures.

Commodity codeDescription
2933 59 00 00 Other UK duty & VAT →
2933 59 10 00 Diazinon (ISO) UK duty & VAT →
2933 59 20 00 1,4-Diazabicyclo[2.2.2]octane (triethylenediamine) UK duty & VAT →
2933 59 95 00 Other UK duty & VAT →
2933 59 95 10 6-Amino-1,3-dimethyluracil (CAS RN 6642-31-5) UK duty & VAT →
2933 59 95 13 2-Diethylamino-6-hydroxy-4-methylpyrimidine (CAS RN 42487-72-9) UK duty & VAT →
2933 59 95 14 2-Chloro-7-cyclopentyl-N,N-dimethyl-7H-pyrrolo[2,3-d]pyrimidine-6-carboxamide (CAS RN 1211443-61-6) with a purity by weight of 97 % or more UK duty & VAT →
2933 59 95 16 Tert-butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate (CAS RN 571188-59-5) with a purity by weight of 98 % or more UK duty & VAT →
2933 59 95 19 Tert-butyl 4-[(2-chloropyrimidin-5-yl)oxy]butanoate (CAS RN 945771-55-1) with a purity by weight of 95 % or more UK duty & VAT →
2933 59 95 20 2,4-Diamino-6-chloropyrimidine (CAS RN 156-83-2) UK duty & VAT →
2933 59 95 27 2-[(2-Amino-6-oxo-1,6-dihydro-9H-purin-9-yl)methoxy]-3-hydroxypropylacetate (CAS RN 88110-89-8) UK duty & VAT →
2933 59 95 29 2-Amino-4-(4-methylpiperazin-1-yl) benzoic acid tert-butyl ester (CAS RN 1034975-35-3) with a purity by weight of 95 % or more UK duty & VAT →
2933 59 95 31 Sotorasib (INN) (CAS RN 2296729-00-3) with a purity by weight of 99 % or more UK duty & VAT →
2933 59 95 32 5-Chloro-3-nitropyrazolo[1,5-a]pyrimidine (CAS RN 1363380-51-1) with a purity by weight of 98 % or more UK duty & VAT →
2933 59 95 33 4,6-Dichloro-5-fluoropyrimidine (CAS RN 213265-83-9) UK duty & VAT →
2933 59 95 34 6-chloro-1,3-dimethyluracil (CAS RN 6972-27-6) with a purity by weight of 97 % or more UK duty & VAT →
2933 59 95 35 3-Iodo-1H-pyrazolo[3,4-d]pyrimidin-4-amine (CAS RN 151266-23-8) with a purity by weight of 98 % or more UK duty & VAT →
2933 59 95 36 1-(Cyclopropylcarbonyl)piperazine hydrochloride (CAS RN 1021298-67-8) with a purity by weight of 98 % or more UK duty & VAT →
2933 59 95 38 5-(5-Chlorosulfonyl-2-ethoxyphenyl)-1-methyl-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one (CAS No 139756-22-2) with a purity by weight of 98 % or more UK duty & VAT →
2933 59 95 40 Pirimiphos-methyl (ISO) (CAS RN 29232-93-7) with a purity by weight of 90 % or more UK duty & VAT →
2933 59 95 41 2-(4-Phenoxyphenyl)-7-(piperidin-4-yl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine-3-carbonitrile (CAS RN 2190506-57-9) with a purity by weight of 98 % or more UK duty & VAT →
2933 59 95 44 1,4,5,6-Tetrahydro-1,2-dimethylpyrimidine (CAS RN 4271-96-9) with a purity by weight of 98 % or more UK duty & VAT →
2933 59 95 45 1-[3-(Hydroxymethyl)pyridin-2-yl]-4-methyl-2-phenylpiperazine (CAS RN 61337-89-1) UK duty & VAT →
2933 59 95 46 Trilaciclib (CAS RN 1374743-00-6) with a purity by weight of 99 % or more UK duty & VAT →
2933 59 95 47 6-Methyl-2-oxoperhydropyrimidin-4-ylurea (CAS RN 1129-42-6) with a purity of 94 % or more UK duty & VAT →
2933 59 95 50 2-(2-Piperazin-1-ylethoxy)ethanol (CAS RN 13349-82-1) UK duty & VAT →
2933 59 95 51 (1R,5S)-8-Benzyl-3,8-diazabicyclo[3.2.1]octane ; 4-(4-hydroxyphenyl)phenol (2:1) (CAS RN 2642049-87-2) with a purity by weight of 95 % or more UK duty & VAT →
2933 59 95 52 6-Benzyladenine (CAS RN 1214-39-7) with a purity by weight of 97 % or more UK duty & VAT →
2933 59 95 54 2-Chloro-4-methylpyrimidine (CAS RN 13036-57-2) with a purity by weight of 99 % or more UK duty & VAT →
2933 59 95 56 Ruxolitinib phosphate (INNM) (CAS RN 1092939-17-7) with a purity by weight of 99 % or more UK duty & VAT →
2933 59 95 58 Sitagliptin phosphate monohydrate (INNM) (CAS RN 654671-77-9) with a purity by weight of 95 % or more, and containing by weight not more than 1 % of a stabiliser UK duty & VAT →
2933 59 95 60 2,6-Dichloro-4,8-dipiperidinopyrimido[5,4-d]pyrimidine (CAS RN 7139-02-8) UK duty & VAT →
2933 59 95 61 4-Methyl-7H-pyrrolo[2,3-d]pyrimidine (CAS RN 945950-37-8) with a purity by weight of 98 % or more UK duty & VAT →
2933 59 95 63 1-(3-Chlorophenyl) piperazine (CAS RN 6640-24-0) UK duty & VAT →
2933 59 95 64 Thiopental (INNM) (CAS RN 76-75-5) with a purity by weight of 98 % or more UK duty & VAT →
2933 59 95 65 1-Chloromethyl-4-fluoro-1,4-diazoniabicyclo[2.2.2]octane bis(tetrafluoroborate) (CAS RN 140681-55-6) UK duty & VAT →
2933 59 95 66 Piperazin-2-one (CAS RN 5625-67-2) with a purity by weight of 96 % or more UK duty & VAT →
2933 59 95 68 Guanine (CAS RN 73-40-5) with a purity by weight of 99 % or more UK duty & VAT →
2933 59 95 70 N-(4-Ethyl-2,3-dioxopiperazin-1-ylcarbonyl)-D-2-phenylglycine (CAS RN 63422-71-9) UK duty & VAT →
2933 59 95 77 3-(Trifluoromethyl)-5,6,7,8-tetrahydro[1,2,4]triazolo[4,3-a]pyrazine hydrochloride (1:1) (CAS RN 762240-92-6) UK duty & VAT →
Not a customs ruling. Classification is determined by the importing country's customs authority and depends on the exact product. This page is reference information from official published schedules, not legal advice. For a binding decision, request a ruling (US: CBP CROSS · UK: HMRC ATaR · EU: BTI).

Nearby codes in heading 2933

The subheadings immediately before and after 2933.59 in chapter 29.

2933.53 Allobarbital (INN), amobarbital (INN), barbital (INN), butalbital (INN), butobarbital, cyc 2933.54 Other derivatives of malonylurea (barbituric acid); salts thereof 2933.55 Loprazolam (INN), mecloqualone (INN), methaqualone (INN) and zipeprol (INN); salts thereof 2933.61 Melamine 2933.69 Other 2933.71 6-Hexanelactam (ε-Caprolactam)

Sources: U.S. International Trade Commission, Harmonized Tariff Schedule (public domain) · EU Combined Nomenclature © European Union, Eurostat (Decision 2011/833/EU) · UK Integrated Online Tariff, contains public sector information licensed under the Open Government Licence v3.0. Data refreshed weekly. Details on About & Data Sources.

Frequently asked questions

Common questions about HS code 2933.59.

What is HS code 2933.59?

HS code 2933.59 covers: Other. It belongs to chapter 29 (Organic chemicals) of the Harmonized System.

What is the US import duty for HS code 2933.59?

The US general (normal trade relations) rates under this subheading range: Free - 6.5%. Preference programs and Section 232/301 surcharges can change the effective rate; see the HTS lines for detail.

What is the UK commodity code for 2933.59?

The UK extends 2933.59 to 43 declarable 10-digit commodity codes, starting with 2933590000. The full code goes on the UK customs declaration.