HTS 2934.99.11.00: US import duty from China

Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, Other, Other, Aromatic or modified aromatic, Other, Pesticides, 2-<i>tert</i>-Butyl-4-(2,4-dichloro-5- isopropoxyphenyl)-Δ²-1,3,4- oxadiazolin-5-one; 3-Isopropyl-1<i>H</i>-2,1,3- benzothiadiazin-4-(3<i>H</i>)-one-2,2- dioxide (Bentazon); and<i>O</i>,<i>O</i>-Diethyl-S-[(6-chloro-2- oxobenzoxazolin-3-yl)methyl]- phosphorodithioate (Phosalone). Here is the full China to US duty stack and what it costs to land.

Duty rate & fees

ChargeRate
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), ocean0.125%

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 2934.99.11.00 from China?

Goods classified under HTS 2934.99.11.00 (Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, Other, Other, Aromatic or modified aromatic, Other, Pesticides, 2-<i>tert</i>-Butyl-4-(2,4-dichloro-5- isopropoxyphenyl)-Δ²-1,3,4- oxadiazolin-5-one; 3-Isopropyl-1<i>H</i>-2,1,3- benzothiadiazin-4-(3<i>H</i>)-one-2,2- dioxide (Bentazon); and<i>O</i>,<i>O</i>-Diethyl-S-[(6-chloro-2- oxobenzoxazolin-3-yl)methyl]- phosphorodithioate (Phosalone)) 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 2934.99.11.00 cover?

Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds, Other, Other, Aromatic or modified aromatic, Other, Pesticides, 2-<i>tert</i>-Butyl-4-(2,4-dichloro-5- isopropoxyphenyl)-Δ²-1,3,4- oxadiazolin-5-one; 3-Isopropyl-1<i>H</i>-2,1,3- benzothiadiazin-4-(3<i>H</i>)-one-2,2- dioxide (Bentazon); and<i>O</i>,<i>O</i>-Diethyl-S-[(6-chloro-2- oxobenzoxazolin-3-yl)methyl]- phosphorodithioate (Phosalone). US Customs and Border Protection determines the final classification at entry.

How much does it cost to import HTS 2934.99.11.00 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 2934

All of Chapter 29: Organic chemicals

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.