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HTS lookup › Chapter 29 › Heading 2933

HTS 2933.99 (2933.99.00) duty rate

2933.99.00 is not a rated tariff line. Subheading 2933.99 (Heterocyclic compounds with nitrogen hetero-atom(s) only › Other › Other) is split into 29 tariff lines, and the duty rate depends on which one your product falls under:

LineDescriptionGeneralSection 301 (China)Exclusions
2933.99.01Butyl (R)-2-[4-(5-trifluoromethyl-2- pyridinyloxy)phenoxy]propanoateFreenone
2933.99.022-[4-[(6-Chloro-2-quinoxalinyl)oxy]phenoxy]- propionic acid, ethyl esterFreenone
2933.99.05Aromatic or modified aromatic: Acridine and indoleFreenone
2933.99.06α-Butyl-α-(4-chlorophenyl)-1H-1,2,4- triazole-1- propanenitrile (Myclobutanil); andα-[2-(4-Chl…6.5%none
2933.99.08Aceto acetyl-5-amino benz imidazolone; 3-(2H-Benzo triazol-2-yl)-5-(tert-butyl)-4- hydroxy ben…Freenone
2933.99.11Aromatic or modified aromatic: CarbazoleFreenone
2933.99.126-Bromo-5-methyl-1H-imidazo[4,5-b]- pyridine; 2-sec-Butyl-4-tert-butyl-6-(benzotriazol-2- yl)p…5.8%none
2933.99.145-Amino-4-chloro-α-phenyl-3- pyridazinone6.5%none
2933.99.16o-Diquat dibromide (1,1'-Ethylene- 2,2'-dipyridylium dibromide)Freenone
2933.99.17Other: Insecticides6.5%none
2933.99.22Other: Other6.5%none
2933.99.24Other: Photographic chemicals6.5%none
2933.99.26Drugs: Antihistamines6.5%none
2933.99.42Acriflavine; Acriflavine hydrochloride; Carbadox; and PyrazinamideFreenone
2933.99.46Anti-infective agents: Other6.5%none
2933.99.51Cardiovascular drugs: Hydralazine hydrochlorideFreenone
2933.99.53Cardiovascular drugs: Other6.5%none
2933.99.55Analgesics, antipyretics and nonhormonal anti-inflammatory agents6.5%none
2933.99.58Droperidol; and Imipramine hydrochlorideFreenone
2933.99.61Antidepressants, tranquilizers and other psychotherapeutic agents: Other6.5%none
2933.99.65Anticonvulsants, hypnotics and sedatives6.5%none
2933.99.70Drugs primarily affecting the central nervous system: Other6.5%none
2933.99.75Drugs: Other6.5%none
2933.99.79Products described in additional U.S. note 3 to section VI6.5%none
2933.99.82Other: Other6.5%none
2933.99.85Other: 3-Amino-1,2,4-triazole3.7%none
2933.99.89Other: HexamethyleneimineFreenone
2933.99.90Other: Drugs3.7%none
2933.99.97Other: Other6.5%none

Open the line that matches your product for its full rate table, Section 301 actions, exclusions, statistical suffixes and a free duty calculator.

Official USITC HTS, 2026HTSRev22 · check on hts.usitc.gov

Subheading 2933.99 at a glance

Heading 2933 · Chapter 29 · HTS lookup

General information from the official US Harmonized Tariff Schedule (USITC); not legal or customs advice. Classification is decided by CBP.

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