Heterocyclic pharmaceutical compounds from India

India exported $810 million of heterocyclic pharmaceutical compounds (HS 2934.99) in FY2025-26, up 22% on FY2024-25. Goods made in India pay 10% to 16.5% US import duty, depending on the tariff line, against 12.5% to 19% for goods from China.

US duty from India
10%China 12.5%
India's exports, FY2025-26
$810MUp 22.4% on last year
HS code
2934.99Page updated 6 Nov 2026

US import duty, India vs China

India 10%
China 12.5%

India pays 2.5 points less on the lowest-duty line. From the USITC HTS 2026 Rev 22.

All 19 US tariff lines
HTS lineDescriptionBaseIndiaChina
2934.99.01.00 Aromatic or modified aromatic: Mycophenolate mofetil0% if the goods are for pharmaceutical use Free 10% 12.5%
2934.99.03.00 Aromatic or modified aromatic: 2-Acetylbenzo(<i>b</i>)thiophene; 3-Methylene-7-(2-phenoxyacetamido)- cephan-4-carboxylic acid, <i>p</i>-nitrobenzyl ester, 1-oxide; and Naphth[1,2-<i>d</i>]-[1,2,3]-oxadiazole-5-sulfonic acid and its sodium salt0% if the goods are for pharmaceutical use Free 10% 12.5%
2934.99.05.00 Aromatic or modified aromatic: 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)5.8% if the goods are for pharmaceutical use 5.8% 15.8% 18.3%
2934.99.06.00 Aromatic or modified aromatic: 7-Nitronaphth[1,2]oxadiazole-5-sulfonic acid and its salts6.5% if the goods are for pharmaceutical use 6.5% 16.5% 19%
2934.99.07.00 Aromatic or modified aromatic: Ethyl 2-[4-[(6-chloro-2-benzoxazolyl)oxy]- phenoxy]propanoate (Fenoxaprop-ethyl)0% if the goods are for pharmaceutical use Free 10% 12.5%
2934.99.08.00 Aromatic or modified aromatic: 2,5-Diphenyloxazole6.5% if the goods are for pharmaceutical use 6.5% 16.5% 19%
2934.99.09.00 Aromatic or modified aromatic: 1,2-Benzisothiazolin-3-one0% if the goods are for pharmaceutical use Free 10% 12.5%
2934.99.11.00 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)6.5% if the goods are for pharmaceutical use 6.5% 16.5% 19%
2934.99.12.00 Other: Fungicides6.5% if the goods are for pharmaceutical use 6.5% 16.5% 19%
2934.99.15.00 Other: Herbicides6.5% if the goods are for pharmaceutical use 6.5% 16.5% 19%
2934.99.16.00 Other: Insecticides6.5% if the goods are for pharmaceutical use 6.5% 16.5% 19%
2934.99.18.00 Other: Other6.5% if the goods are for pharmaceutical use 6.5% 16.5% 19%

Showing 12 of 19 tariff lines. Totals include the Section 301 duty on goods from India or China and any Section 232 metals duty. They exclude anti-dumping and countervailing duties and customs fees. Check the current rate before you quote.

India's exports of heterocyclic pharmaceutical compounds

FY2022-23 $509 million
FY2023-24 $541 million
FY2024-25 $661 million
FY2025-26 $810 million

India's exports to all countries under HS 2934.99, April to March, from DGCI&S.

Rules and other duties

EU base duty
The EU's average applied base (MFN) rate on HS 2934.99 is 6.3%, ranging from 0% to 6.5% across tariff lines, from 2021 data. It doesn't include India's GSP preference, so goods from India may pay less. Check the current rate in TARIC before you quote.
RoDTEP
India's schedule lists 0.8% of FOB value for exporters. The scheme was notified until 30 September 2026, so check with DGFT whether it's been extended.
India's export policy
Free for most lines, with restrictions on some. 293499: Restricted.

Common questions

What is the US import duty on heterocyclic pharmaceutical compounds from India?

10% to 16.5% on the 19 US tariff lines under HS 2934.99, including the Section 301 duty on Indian goods and any Section 232 metals duty. Goods from China pay 12.5% to 19%. Anti-dumping duties and customs fees aren't included.

What is the HS code for heterocyclic pharmaceutical compounds?

2934.99, under heading 2934 (Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds). Check the exact 8-digit or 10-digit line with your customs broker, since duty can differ between lines.

Does India export heterocyclic pharmaceutical compounds?

Yes. India exported $810 million under HS 2934.99 in FY2025-26, according to DGCI&S, the Ministry of Commerce's trade statistics body.