Key facts
- HS subheading
- 2934.99
- National lines
- 22
- Tariff
- United States
- Chapter
- 29: Organic chemicals
Summary
The United States tariff splits HS 2934.99 (other: Other) into 22 national lines: 2934.99.01.00 (mycophenolate mofetil), 2934.99.03.00 (2-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 salt), 2934.99.05.00 (5-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)), 2934.99.06.00 (7-Nitronaphth[1,2]oxadiazole-5-sulfonic acid and its salts) and 18 others.
United States lines under 2934.99
The United States tariff splits HS 2934.99 (other: Other) into 22 national lines: 2934.99.01.00 (mycophenolate mofetil), 2934.99.03.00 (2-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 salt), 2934.99.05.00 (5-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)), 2934.99.06.00 (7-Nitronaphth[1,2]oxadiazole-5-sulfonic acid and its salts) and 18 others.
- 2934.99.01.00Mycophenolate mofetilDuty: 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 saltDuty: 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)Duty: 5.8%
- 2934.99.06.007-Nitronaphth[1,2]oxadiazole-5-sulfonic acid and its saltsDuty: 6.5%
- 2934.99.07.00Ethyl 2-[4-[(6-chloro-2-benzoxazolyl)oxy]- phenoxy]propanoate (Fenoxaprop-ethyl)Duty: Free
- 2934.99.08.002,5-DiphenyloxazoleDuty: 6.5%
- 2934.99.09.001,2-Benzisothiazolin-3-oneDuty: 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)Duty: 6.5%
- 2934.99.12.00FungicidesDuty: 6.5%
- 2934.99.15.00HerbicidesDuty: 6.5%
- 2934.99.16.00InsecticidesDuty: 6.5%
- 2934.99.18.00OtherDuty: 6.5%
- 2934.99.20.00Photographic chemicalsDuty: 6.5%
- 2934.99.30.00DrugsDuty: 6.5%
- 2934.99.39.00Products described in additional U.S. note 3 to section VIDuty: 6.5%
- 2934.99.44.00OtherDuty: 6.5%
- 2934.99.47.20Rocuronium (INN) and its saltsDuty: 3.7%
- 2934.99.47.30Tacrolimus (INN) and its saltsDuty: 3.7%
- 2934.99.47.40Timolol maleate and its saltsDuty: 3.7%
- 2934.99.47.90OtherDuty: 3.7%
- 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 acidDuty: Free
- 2934.99.90.01OtherDuty: 6.5%
In other countries
No other national tariff on border.bot has live lines under 2934.99 yet.
Frequently asked questions
How many national tariff lines does the United States tariff have under HS 2934.99?
The United States tariff splits HS 2934.99 (other: Other) into 22 national lines: 2934.99.01.00 (mycophenolate mofetil), 2934.99.03.00 (2-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 salt), 2934.99.05.00 (5-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)), 2934.99.06.00 (7-Nitronaphth[1,2]oxadiazole-5-sulfonic acid and its salts) and 18 others.
Sources and updates
The tariff lines for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.
The duty rates for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.
The trade programmes for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.
This page was last updated on 9 October 2026.
Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.
Official source files: