2925.29.20.00
Drugs
Carboxyimide-function compounds (including saccharin and its salts) and imine-function compounds: Imines and their derivatives; salts thereof: Other: Aromatic: Other
Duty rates
Column 1 (General / MFN)
6.5%
Column 2 (Non-NTR)
15.4¢/kg + 67.5%
Column 1 (Special / FTA)
Free
Eligible
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United States, before 12:01 a.m. eastern standard time on February 24, 2026; and (2) are entered for consumption, or withdrawn from warehouse for consumption, before 12:01 a.m. eastern standard time on February 28, 2026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
The tariff classification of Guanidine Thiocyanate (CAS # 593-84-0) from China
You state that the subject product, Guanidine Thiocyanate (CAS # 593-84-0), which is also called Guanidinium Isothiocyanate is a pure chemical compound. It is used as a general protein denaturant, although it is most commonly used as a nucl
The tariff classification of chemicals from India.
The three products for which you requested a ruling on are as follows: Item 1 4-Methoxy-N-(3-N',N'-dimethylaminopropyl)naphthalimide vinylbenzyl chloride quaternary salt (CAS # 371239-11-1). Item 2 4-N-(3-N',N’-dimethylaminopropyl) naphthal
The tariff classification of Glutarimide from China
The subject product is a chemical intermediate called Glutarimide (CAS # 1121-89-7). It is also known as 2,6-Piperidinedione.
The tariff classification of Various Chemical Compounds from China
You requested a binding tariff classification ruling on the following five products. You indicate they are all used for research at laboratories and universities. You provided the following information on the five items under review. Item 1
The tariff classification of Various Chemical Compounds from China and Switzerland
You requested a binding Tariff classification ruling on the following five products. You indicate they are all used for research at laboratories and universities. You provided the following information on the five items under review. Item 1
The tariff classification L-Arginine (CAS (74-79-3) and L-Arginine Hydrochloride (CAS# 1119-34-2) from China
The subject products are chemical products called L-Arginine (CAS# 74-79-3) and L-Arginine Hydrochloride (CAS# 1119-34-2). You indicate that they will be sold to your customers for use in the manufacturing of dietary supplements.
Application for Further Review of Protest 1703-13-100268; U.S.-Israel Free Trade Agreement; Direct Costs; Calcium Saccharin
Whether the Calcium Saccharine imported from Israel is eligible for duty preference under the Israel FTA.
The tariff classification of several active pharmaceutical ingredients (API), from various countries
The subject products are six different active pharmaceutical ingredients which
The tariff classification of L-Arginine, CAS No. 74-79-3, from Brazil
L-Arginine, CAS 74-79-3, also known as (S)-2-Amino-5-[(aminoiminomethyl)amino]pentanoic acid is an imine-function compound indicated for use as a diagnostic aid.
The tariff classification of L-Arginine monohydrochloride, CAS No. 1119-34-2, from Korea
L-Arginine monohydrochloride, CAS No. 1119-34-2, also known as S-(+)-2-Amino-5-[(aminoiminomethyl)amino]pentanoic acid monohydrochloride, is a salt of a nonaromatic imine function compound.
The tariff classification of Guanfacine (CAS# 29110-47-2) in bulk powder form, from Spain
The subject product, Guanfacine, is a centrally acting antihypertensive with a2-adrenoceptor agonist properties. It is indicated for the management of hypertension. Guanfacine may be given alone or in combination with other antihypertensive
The tariff classification of UV Absorber LS-101, CAS No. 57834-33-0 from Taiwan
UV Absorber LS-101, chemically known as Benzoic acid, 4-[[(Methylphenylamino) methylene]amino]-, ethyl ester, is an aromatic imine derivative. The product is indicated for use as a UV stabilizer for polyurethane.
Other codes in heading 2925
Duty by origin country
The rate above is the statutory base. Total landed duty depends on origin — see the calculated rate for 2925.29.20.00 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 →