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HTS lookup › Chapter 29 › Heading 2934

HTS 2934.99 (2934.99.00) duty rate

2934.99.00 is not a rated tariff line. Subheading 2934.99 (Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds › Other › Other) is split into 19 tariff lines, and the duty rate depends on which one your product falls under:

LineDescriptionGeneralSection 301 (China)Exclusions
2934.99.01Aromatic or modified aromatic: Mycophenolate mofetilFreenone
2934.99.032-Acetylbenzo(b)thiophene; 3-Methylene-7-(2-phenoxyacetamido)- cephan-4-carboxylic acid, p-nit…Freenone
2934.99.055-Amino-3-phenyl-1,2,4-thiadiazole (3-Phenyl-5-amino-1,2,4-thiadiazole); 2-Hydroxybenzoxazole …5.8%none
2934.99.067-Nitronaphth[1,2]oxadiazole-5-sulfonic acid and its salts6.5%none
2934.99.07Ethyl 2-[4-[(6-chloro-2-benzoxazolyl)oxy]- phenoxy]propanoate (Fenoxaprop-ethyl)Freenone
2934.99.08Aromatic or modified aromatic: 2,5-Diphenyloxazole6.5%none
2934.99.09Aromatic or modified aromatic: 1,2-Benzisothiazolin-3-oneFreenone
2934.99.112-tert-Butyl-4-(2,4-dichloro-5- isopropoxyphenyl)-Δ²-1,3,4- oxadiazolin-5-one; 3-Isopropyl-1H-…6.5%none
2934.99.12Other: Fungicides6.5%none
2934.99.15Other: Herbicides6.5%none
2934.99.16Other: Insecticides6.5%none
2934.99.18Other: Other6.5%none
2934.99.20Other: Photographic chemicals6.5%none
2934.99.30Other: Drugs6.5%none
2934.99.39Products described in additional U.S. note 3 to section VI6.5%none
2934.99.44Other: Other6.5%none
2934.99.47Other: Drugs3.7%none
2934.99.70Morpholinoethyl chloride hydrochloride; 2-Methyl-2,5-dioxo-1-oxa-2-phospholan; and (6R-trans)-…Freenone
2934.99.90Other: 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 2934.99 at a glance

Heading 2934 · 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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