HTS 2933.99.79.00: US import duty from China
Heterocyclic compounds with nitrogen hetero-atom(s) only, Other, Other, Aromatic or modified aromatic, Other, Other, Products described in additional U.S. note 3 to section VI. Here is the full China to US duty stack and what it costs to land.
Duty rate & fees
| Charge | Rate |
|---|---|
| Base duty (MFN) | 6.5% |
| Total duty (on customs value) | 6.5% |
| Merchandise Processing Fee (MPF) | 0.3464% (min $33.58, max $651.50) |
| Harbor Maintenance Fee (HMF), ocean | 0.125% |
Worked example: $10,000 shipment
| Customs value | $10,000.00 |
| Base duty (MFN) | $650.00 |
| Merchandise Processing Fee | $34.64 |
| Harbor Maintenance Fee | $12.50 |
| Total landed cost | $10,697.14 |
Excludes freight and insurance. Run your exact numbers in the calculator →
FAQ
What is the import duty on HTS 2933.99.79.00 from China?
Goods classified under HTS 2933.99.79.00 (Heterocyclic compounds with nitrogen hetero-atom(s) only, Other, Other, Aromatic or modified aromatic, Other, Other, Products described in additional U.S. note 3 to section VI) have a duty of 6.5% of the customs value on the China to US lane (base rate plus any Section 301 tariff), plus the Merchandise Processing Fee (0.3464%, min $33.58, max $651.50) and, for ocean shipments, the Harbor Maintenance Fee (0.125%).
What does HTS code 2933.99.79.00 cover?
Heterocyclic compounds with nitrogen hetero-atom(s) only, Other, Other, Aromatic or modified aromatic, Other, Other, Products described in additional U.S. note 3 to section VI. US Customs and Border Protection determines the final classification at entry.
How much does it cost to import HTS 2933.99.79.00 from China?
On a $10,000 shipment, the estimated total landed cost is $10,697, about 7% in duty and fees. Use the calculator for your exact value, quantity, and shipping mode.
Related codes in heading 2933
- 2933.11.00.00Heterocyclic compounds with nitrogen hetero-atom(s) only, Compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure, Phenazone (Antipyrine) and its derivatives
- 2933.19.04.00Heterocyclic compounds with nitrogen hetero-atom(s) only, Compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure, Other, Aromatic or modified aromatic, Aminomethylphenylpyrazole (Phenylmethylaminopyrazole); and 3-Methyl-1-(<i>p</i>-tolyl)-2-pyrazolin-5-one (<i>p</i>-Tolyl methyl pyrazolone)
- 2933.19.08.00Heterocyclic compounds with nitrogen hetero-atom(s) only, Compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure, Other, Aromatic or modified aromatic, 3-(5-Amino-3-methyl-1<i>H</i>-pyrazol-1-yl)- benzenesulfonic acid; Amino-J-pyrazolone; 3-Amino-1-(2,4,6-trichlorophenyl)-5- pyrazolone; 3-Carboxy-1,4-sulfophenylpyrazol-5-one; 4-Chloro-3-(3-methyl-5-oxo-2-pyrazolin-1- yl)benzenesulfonic acid; 1-(<i>m</i>-Chlorophenyl)-3-methyl-2-pyrazolin- 5-one;<i>p</i>-Chloropyrazolone; 1-(2',5'-Dichlorophenyl)-3-methyl-2- pyrazolin-5-one; 1-(<i>o</i>-Ethylphenyl)-3-methyl-2-pyrazolin- 5-one; 5-Imino-3-methyl-1-phenylpyrazole; 5-Imino-3-methyl-1-(<i>m</i>-sulfophenyl)- pyrazole; 2,4-Methylcarboxypyrazolic acid; Methylphenylpyrazolone; and Sulfinpyrazone
- 2933.19.15.00Heterocyclic compounds with nitrogen hetero-atom(s) only, Compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure, Other, Aromatic or modified aromatic, 1,2-Dimethyl-3,5-diphenyl-1<i>H</i>-pyrazolium methyl sulfate (Difenzoquat methyl sulfate)
- 2933.19.18.00Heterocyclic compounds with nitrogen hetero-atom(s) only, Compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure, Other, Aromatic or modified aromatic, 2-Chloro-5-sulfophenylmethylpyrazolone; 2,5-Dichloro-4-(3-methyl-5-oxo-2- pyrazolin-1-yl) benzenesulfonic acid; Phenyl carbethoxypyrazolone;<i>m</i>-Sulfaminopyrazolone (<i>m</i>-Sulfamido- phenyl methyl pyrazolone); and 1-(<i>p</i>-Sulfophenyl)-3-methyl pyrazolone
- 2933.19.23.00Heterocyclic compounds with nitrogen hetero-atom(s) only, Compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure, Other, Aromatic or modified aromatic, Other, Pesticides
- 2933.19.30.10Heterocyclic compounds with nitrogen hetero-atom(s) only, Compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure, Other, Aromatic or modified aromatic, Other, Photographic chemicals, Couplers, for use in color negative photographic paper
- 2933.19.30.95Heterocyclic compounds with nitrogen hetero-atom(s) only, Compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure, Other, Aromatic or modified aromatic, Other, Photographic chemicals, Other
Estimates for planning only. Final classification and duty are determined by U.S. Customs and Border Protection at entry. Rates from USITC HTSUS 2026-06-15-cn-us. The IEEPA reciprocal tariff was struck down (SCOTUS, 2026-02-20) and is excluded. Not legal or customs-broker advice.