HTS 2934.10.20.00: US import duty from China
Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, Compounds containing an unfused thiazole ring (whether or not hydrogenated) in the structure, Aromatic or modified aromatic, Other. 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% |
| Section 301 (Lists 1-4) | 25% |
| Total duty (on customs value) | 31.5% |
| 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 |
| Section 301 (Lists 1-4) | $2,500.00 |
| Merchandise Processing Fee | $34.64 |
| Harbor Maintenance Fee | $12.50 |
| Total landed cost | $13,197.14 |
Excludes freight and insurance. Run your exact numbers in the calculator →
FAQ
What is the import duty on HTS 2934.10.20.00 from China?
Goods classified under HTS 2934.10.20.00 (Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, Compounds containing an unfused thiazole ring (whether or not hydrogenated) in the structure, Aromatic or modified aromatic, Other) have a duty of 31.5% 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 2934.10.20.00 cover?
Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, Compounds containing an unfused thiazole ring (whether or not hydrogenated) in the structure, Aromatic or modified aromatic, Other. US Customs and Border Protection determines the final classification at entry.
How much does it cost to import HTS 2934.10.20.00 from China?
On a $10,000 shipment, the estimated total landed cost is $13,197, about 32% in duty and fees. Use the calculator for your exact value, quantity, and shipping mode.
Related codes in heading 2934
- 2934.10.10.00Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, Compounds containing an unfused thiazole ring (whether or not hydrogenated) in the structure, Aromatic or modified aromatic, Products described in additional U.S. note 3 to section VI
- 2934.10.70.00Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, Compounds containing an unfused thiazole ring (whether or not hydrogenated) in the structure, Other, 4,5-Dichloro-2-<i>n</i>-octyl-4-isothiazolin-3-one; Ethyl 2-(2-aminothiazol-4-yl)-2- hydroxyiminoacetate; Ethyl 2-(2-aminothiazol-4-yl)-2- methoxyiminoacetate; 2-Methyl-4-isothiazolin- 3-one; 2-<i>n</i>-Octyl-4-isothiazolin-3-one; and Thiothiamine hydrochloride
- 2934.10.90.00Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, Compounds containing an unfused thiazole ring (whether or not hydrogenated) in the structure, Other, Other
- 2934.20.05.00Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, Compounds containing in the structure a benzothiazole ring-system (whether or not hydrogenated), not further fused, <i>N</i>-<i>tert</i>-Butyl-2-benzothiazolesulfenamide
- 2934.20.10.00Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, Compounds containing in the structure a benzothiazole ring-system (whether or not hydrogenated), not further fused, 2,2'-Dithiobisbenzothiazole
- 2934.20.15.00Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, Compounds containing in the structure a benzothiazole ring-system (whether or not hydrogenated), not further fused, 2-Mercaptobenzothiazole; and<i>N</i>-(Oxydiethylene)benzothiazole-2-sulfenamide
- 2934.20.20.00Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, Compounds containing in the structure a benzothiazole ring-system (whether or not hydrogenated), not further fused, 2-Mercaptobenzothiazole, sodium salt (2-Benzothiazolethiol, sodium salt)
- 2934.20.25.00Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, Compounds containing in the structure a benzothiazole ring-system (whether or not hydrogenated), not further fused, 2-Amino-5,6-dichloro benzo thiazole; 2-(4-Amino phenyl)-6-methyl benzo thiazole-7- sulfonic acid; 2-Amino-6-nitro benzo thiazole; and<i>N</i>,<i>N</i>-Di cyclo hexyl-2-benzo thiazole sulfenamide
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.