2931.90.22.00

Drugs

Other organo-inorganic compounds: Other: Aromatic: Other

Unit: kg Heading: 2931 Chapter: 29 As of May 1, 2026

Duty rates

Column 1 (General / MFN)

6.5%

Column 2 (Non-NTR)

15.4¢/kg + 67.5%

Column 1 (Special / FTA)

Free

Eligible

A+AUBHCLCODEILJOKKRMAOMPPAPESSG

The rates above are statutory column rates. Trade remedies in Chapter 99 (Section 301, 232, IEEPA, reciprocal) and FTA preferences can change the duty owed on a given entry — see below.

Trade measures (Chapter 99)

9903.03.01

The duty provided in the applicable subheading + 10%

Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter

Effective from February 24, 2026 through July 24, 2026

9903.03.02

The duty provided in the applicable subheading

Articles the product of any country that (1) were loaded onto a vessel at the port of loading and in transit on the final mode of transit prior to entry into the United States, before 12:01 a.m. eastern standard time on February 24, 2026; and (2) are entered for consumption, or withdrawn from warehouse for consumption, before 12:01 a.m. eastern standard time on February 28, 2026

Effective from February 24, 2026 through July 24, 2026

9903.03.03

The duty provided in the applicable subheading

Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter

Effective from February 24, 2026 through July 24, 2026

9903.03.04

The duty provided in the applicable subheading

Articles the product of any country, as provided for in subdivision (aa)(iii) of U.S. note 2 to this subchapter

Effective from February 24, 2026 through July 24, 2026

9903.03.05

The duty provided in the applicable subheading

Articles of civil aircraft (all aircraft other than military aircraft); their engines, parts and components; their other parts, components and subassemblies; and ground flight simulators and their parts and components of any country, provided for in subdivision (aa)(iv) of U.S. note 2 to this subchapter

Effective from February 24, 2026 through July 24, 2026

9903.03.06

The duty provided in the applicable subheading

Articles of aluminum, of steel, or of copper or derivative aluminum or steel articles; passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; parts of passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; medium- and heavy-duty vehicles; parts of medium- and heavy-duty vehicles; wood products; and semiconductor articles, of any country, as provided in subdivision (aa)(v) of U.S. note 2 to this subchapter

Effective from February 24, 2026 through July 24, 2026

9903.03.07

The duty provided in the applicable subheading

Articles the product of Canada, as provided for in subdivision (aa)(vi) of U.S. note 2 to this subchapter

Applies to origin: CA

Effective from February 24, 2026 through July 24, 2026

9903.03.08

The duty provided in the applicable subheading

Articles the product of Mexico, as provided for in subdivision (aa)(vii) of U.S. note 2 to this subchapter

Applies to origin: MX

Effective from February 24, 2026 through July 24, 2026

9903.03.09

The duty provided in the applicable subheading

Articles of textiles or apparel the product of Costa Rica, the Dominican Republic, El Salvador, Guatemala, Honduras or Nicaragua, as provided for in subdivision (aa)(viii) of U.S. note 2 to this subchapter

Applies to origin: CR, SV, GT, HN, NI, DO

Effective from February 24, 2026 through July 24, 2026

9903.03.10

The duty provided in the applicable subheading

Articles that are donations, by persons subject to the jurisdiction of the United States, such as food, clothing and medicine, intended to be used to relieve human suffering

Effective from February 24, 2026 through July 24, 2026

9903.03.11

The duty provided in the applicable subheading

Articles that are informational materials, including but not limited to publications, films, posters, phonograph records, photographs, microfilms, microfiche, tapes, compact disks, CD ROMs, artworks and news wire feeds

Applies to origin: IL

Effective from February 24, 2026 through July 24, 2026

9903.88.03

LIST_1

The duty provided in the applicable subheading + 25%

Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)

Applies to origin: CN

Effective from August 23, 2018

Related CBP rulings

N358626 March 9, 2026

The tariff classification of Clodronic Acid Disoduim Salt Tetrahydrate (CAS No. 88416-50-6) in bulk powder form, from Italy

Clodronic Acid Disoduim Salt Tetrahydrate is also known as Clodronate Disodium, a first-generation (non-nitrogenous) bisphosphonate. It is indicated for the treatment of hypercalcemia associated with malignancies, osteoporosis and Paget’s d

N348747 October 21, 2025

The tariff classification of Zinc Diethylphosphinate (CAS No. 284685-45-6) from China

We referred the information provided to our laboratory for review. We regret the delay. The subject product, zinc diethylphosphinate (CAS no. 284685-45-6), contains a purity level of 99.5 percent. It is indicated for use as a halogen-free f

N331968 April 11, 2023

The tariff classification of Trimethylsilane (CAS # 993-07-7) and Tetramethylsilane (CAS # 75-76-3) from China

The subject products are Trimethylsilane (CAS # 993-07-7) and Tetramethylsilane (CAS # 75-76-3) from China. The Trimethylsilane will be imported in 47L cylinders, the Tetramethylsilane will be imported in low-pressure 19L and 280L drums. Bo

N320580 July 28, 2021

The tariff classification of SpeedCure BPO, (CAS 162881-26-7) from China

Ltd. The instant product is called SpeedCure BPO. It is composed of Phenyl bis (2,4,6-trimethylbenzoyl)-phosphine oxide, with a minimum purity of 98%. It is in the form of off-white to pale yellow crystalline powder. You provided the follow

N320131 June 24, 2021

The tariff classification of 2-(Diphenylphosphino) benzoic acid (CAS17261-28-8) from China

You indicate that the instant product is called 2-(Diphenylphosphino) benzoic acid (CAS 17261-28-8). It is indicated to be an organo-phosphorus compound.

N318755 April 8, 2021

The tariff classification of SpeedCure TPO

The instant product is called SpeedCure TPO. It is composed of 2,4,6-trimethylbenzoyldiphenylphosphine oxide, with a minimum purity of 97%. It is in the form of a pale-yellow crystalline powder. You provided the following information on the

N311266 May 14, 2020

The tariff classification of Hydrolyzed or Polymerized Alkoxysilanes or Organosilanes from Germany, China or Japan

Item Description 1 Tetraethoxysilane polymerized, also known as Ethyl Silicate 40, CAS No. 11099-06-2, chemical structure of CH3-CH2-[O-Si(-O-CH2-CH3)2]n-O-CH2-CH3; (n = 4-5) Item Description 2 Triethoxymethylsilane polymerized, CAS No. 677

N304771 June 27, 2019

The tariff classification of three organic photoinitiator chemicals from China

We assume for purposes of this ruling that all of the products under consideration are imported in pure form, meeting the terms of HTSUS Chapter 29 Note 1. You provided the following information on the chemical products under review: Item 1

N302530 February 7, 2019

The tariff classification of SF1173 (D4) and SF1202 (D5) from China

The subject chemical products are as follows: SF1202 (D5) (CAS # 541-02-6) Decamethylcyclopentasiloxane SF1173 (D4) (CAS # 556-67-2) Octamethylcyclotetrasiloxane You provided specification sheets for both products. Upon our request, you pro

N301727 November 29, 2018

The tariff classification of 62% Glyphosate MUP from China

This ruling request covers 62% Glyphosate MUP (Manufacturing Use Product), which is a salt of Glyphosate Acid Technical Grade diluted with water. Its CAS # is 38641-94-0. The chemical product in condition as imported is used as an intermedi

N297510 June 13, 2018

The tariff classification of D-Trehalose, and Phosphinothricin from China

Your ruling request consists of two chemical products from China. You provided the following information for the two products: Item 1 D-Trehalose (also known as Mycose, Tremalose, CAS #6138-23-4) is a natural disaccharide used in cell cultu

N292267 December 12, 2017

The tariff classification of Ixazomib (CAS No. 1072833-77-2) in bulk powder form, from Taiwan

The subject product, Ixazomib, is a proteasome inhibitor that is indicated in combination with other drugs for the treatment of multiple myeloma, which is a type of white blood cell cancer.

Other codes in heading 2931

View all codes in heading 2931 →

Duty by origin country

The rate above is the statutory base. Total landed duty depends on origin — see the calculated rate for 2931.90.22.00 from each major US trading partner.

Need to defend this classification?

TariffLens generates GRI reasoning, cites the right CBP rulings, and builds the audit trail you need for reasonable care.

Book a demo →