2934.99
6-digit headingOther
This is a 6-digit heading — a category, not a filing code. Pick the more specific code beneath it that best matches your goods; only a 10-digit statistical code can be used on a customs entry.
Duty rates
No rate is published at this level — check the specific 10-digit statistical code beneath it.
| Rate | Value and what it means |
|---|---|
| General rate (Column 1) | See 10-digit codeColumn 1 general Applies to most trading partners — the standard "normal trade relations" rate. |
| Special rate (Column 1) | —Trade programs The country letters in parentheses are free trade agreement and preference programs. If your goods qualify under one of them, that rate replaces the general rate. |
| Column 2 rate | —Non-NTR Reserved for the small group of countries that do not have normal trade relations with the US (currently Cuba, North Korea, Russia and Belarus). Almost no importer uses this column — if you are shipping from anywhere else, ignore it. |
| Unit of quantity | — How CBP expects the quantity to be reported on the entry summary. |
Where this sits in the schedule
The tariff schedule is read top-down: each line inherits the wording of the categories above it.
Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds: > Other:
Codes within Other
23 more specific lines fall under 2934.99.
- 2934.99.01.00Mycophenolate mofetil10-digit statistical codeNucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds: > Other: > Other: > Aromatic or modified aromatic:Free
- 2934.99.03.002-Acetylbenzo(b)thiophene; 3-Methylene-7-(2-phenoxyacetamido)- cephan-4-carboxylic acid, p-nitrobenzyl ester, 1-oxide; and Naphth[1,2-d]-[1,2,3]-oxadiazole-5-sulfonic acid and its sodium salt10-digit statistical codeNucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds: > Other: > Other: > Aromatic or modified aromatic:Free
- 2934.99.05.005-Amino-3-phenyl-1,2,4-thiadiazole (3-Phenyl-5-amino-1,2,4-thiadiazole); 2-Hydroxybenzoxazole (Benzoxazolone); 4-Phenylmorpholine; 1,9-Thianthrenedicarboxylic acid; and Thioxanthene-9-one (Thioxanthone)10-digit statistical codeNucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds: > Other: > Other: > Aromatic or modified aromatic:5.8%
- 2934.99.06.007-Nitronaphth[1,2]oxadiazole-5-sulfonic acid and its salts10-digit statistical codeNucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds: > Other: > Other: > Aromatic or modified aromatic:6.5%
- 2934.99.07.00Ethyl 2-[4-[(6-chloro-2-benzoxazolyl)oxy]- phenoxy]propanoate (Fenoxaprop-ethyl)10-digit statistical codeNucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds: > Other: > Other: > Aromatic or modified aromatic:Free
- 2934.99.08.002,5-Diphenyloxazole10-digit statistical codeNucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds: > Other: > Other: > Aromatic or modified aromatic:6.5%
- 2934.99.09.001,2-Benzisothiazolin-3-one10-digit statistical codeNucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds: > Other: > Other: > Aromatic or modified aromatic:Free
- 2934.99.11.002-tert-Butyl-4-(2,4-dichloro-5- isopropoxyphenyl)-Δ²-1,3,4- oxadiazolin-5-one; 3-Isopropyl-1H-2,1,3- benzothiadiazin-4-(3H)-one-2,2- dioxide (Bentazon); andO,O-Diethyl-S-[(6-chloro-2- oxobenzoxazolin-3-yl)methyl]- phosphorodithioate (Phosalone)10-digit statistical codeNucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds: > Other: > Other: > Aromatic or modified aromatic: > Other: > Pesticides:6.5%
- 2934.99.12.00Fungicides10-digit statistical codeNucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds: > Other: > Other: > Aromatic or modified aromatic: > Other: > Pesticides: > Other:6.5%
- 2934.99.15.00Herbicides10-digit statistical codeNucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds: > Other: > Other: > Aromatic or modified aromatic: > Other: > Pesticides: > Other:6.5%
- 2934.99.16.00Insecticides10-digit statistical codeNucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds: > Other: > Other: > Aromatic or modified aromatic: > Other: > Pesticides: > Other:6.5%
- 2934.99.18.00Other10-digit statistical codeNucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds: > Other: > Other: > Aromatic or modified aromatic: > Other: > Pesticides: > Other:6.5%
- 2934.99.20.00Photographic chemicals10-digit statistical codeNucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds: > Other: > Other: > Aromatic or modified aromatic: > Other:6.5%
- 2934.99.30.00Drugs10-digit statistical codeNucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds: > Other: > Other: > Aromatic or modified aromatic: > Other:6.5%
- 2934.99.39.00Products described in additional U.S. note 3 to section VI10-digit statistical codeNucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds: > Other: > Other: > Aromatic or modified aromatic: > Other: > Other:6.5%
- 2934.99.44.00Other10-digit statistical codeNucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds: > Other: > Other: > Aromatic or modified aromatic: > Other: > Other:6.5%
- 2934.99.47Drugs8-digit subheadingNucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds: > Other: > Other: > Other:3.7%
- 2934.99.47.20Rocuronium (INN) and its salts10-digit statistical codeNucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds: > Other: > Other: > Other: > Drugs
- 2934.99.47.30Tacrolimus (INN) and its salts10-digit statistical codeNucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds: > Other: > Other: > Other: > Drugs
- 2934.99.47.40Timolol maleate and its salts10-digit statistical codeNucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds: > Other: > Other: > Other: > Drugs
- 2934.99.47.90Other10-digit statistical codeNucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds: > Other: > Other: > Other: > Drugs
- 2934.99.70.00Morpholinoethyl chloride hydrochloride; 2-Methyl-2,5-dioxo-1-oxa-2-phospholan; and (6R-trans)-7-Amino-3-methyl-8-oxo-5- thia-1-azabicyclo[4.2.0]-oct-2-ene-2- carboxylic acid10-digit statistical codeNucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds: > Other: > Other: > Other: > Other:Free
- 2934.99.90.01Other10-digit statistical codeNucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds: > Other: > Other: > Other: > Other:6.5%
Chapter 29: Organic Chemicals
Browse every code in this chapter to compare neighbouring classifications.
View Chapter 29Source: USITC Harmonized Tariff Schedule, 2026 Basic Edition, Revision 16. Rate text is reproduced verbatim from the official export; category paths and duty estimates are derived.
Data loaded August 18, 2026.Check this chapter on hts.usitc.govReport an error with this codeHow this data is built