2939.79.00.10
Atropine (INN) and its salts
Alkaloids, natural or reproduced by synthesis, and their salts, ethers, esters and other derivatives: Other, of vegetal origin: Other
Data provenance: Rates from HTS Revision 16 (Aug 15, 2026); trade measures verified against CBP CSMS and Federal Register notices through Aug 15, 2026.
Duty rates
No active duty rates published for this code.
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)
No active Chapter 99 measures are linked to this code.
Related CBP rulings
The tariff classification of Berberine Chloride Dihydrate 98.5% (CAS No. 5956-60-5) in bulk powder form, from China
Berberine Chloride Dihydrate is an isoquinoline alkaloid derivative. It will be imported as a yellow to tancrystalline powder in bulk form. In your letter,
The tariff classification of Berberine Hydrochloride 97% (CAS No. 633-65-8) in bulk powder form, from China
We apologize for the delay as the information was submitted to our laboratory for analysis. Berberine Hydrochloride is the hydrochloride salt form of berberine, an isoquinoline alkaloid. You indicated the product will be extracted from Cosc
The tariff classification of Trospium Chloride (CAS No. 10405-02-4) in bulk form, from Italy
Trospium Chloride is an atropine derivative. Atropine is a synthetically-derived form of the endogenous alkaloid isolated from the plant Atropa belladonna. Trospium Chloride is an antispasmodic, antimuscarinic agent indicated for the treatm
The tariff classification of Pentoxifylline (CAS No. 6493-05-6) in bulk crystalline powder form, from India
Pentoxifylline is a synthetic dimethylxanthine derivative structurally related to theophylline and caffeine. It is used to treat intermittent claudication caused by chronic occlusive arterial disease of the limbs.
The tariff classification of Istradefylline (CAS No. 155270-99-8) in bulk form, from Italy
Istradefylline is an adenosine receptor antagonist and a derivative of Theophylline. It is indicated as adjunctive treatment to levodopa/carbidopa in adult patients with Parkinson's disease (PD) experiencing “off" episodes.
The tariff classification of laboratory reference standards for analytical testing from France
Documents received with your request were sent to the CBP Laboratory for review. That review is now complete. Our determination on the classification of your merchandise follows. Mylan will import the following four products: Rivastigmine i
The tariff classification of Ipratropium Bromide Monohydrate (CAS No. 66985-17-9) in bulk powder form, from Italy
Ipratropium Bromide Monohydrate is a synthetic derivative of the naturally occurring belladonna alkaloid, Atropine. It is indicated for use as a bronchodilator drug.
The tariff classification of S-Nicotine (CAS No. 54-11-5) in bulk liquid form, from Switzerland
S-Nicotine is a naturally occurring enantiomeric form of nicotine, which is a naturally occurring vegetable alkaloid. In your letter,
The tariff classification of Citrus Aurantium Extract (> 95% Synephrine), from China
The subject product, described as Citrus Aurantium Extract (> 95% Synephrine), is obtained from the immature dried fruit of Citrus Aurantium L. (commonly known as "bitter orange"). The Certificate of Analysis submitted indicates that the pr
The tariff classification of Colchicine (CAS No. 64-86-8) in bulk powder form, from Italy
Colchicine is an alkaloid obtained from the plant colchicum autumnale with anti-gout and anti-inflammatory activities. It is indicated for the treatment and prevention of gout flares in adults.
The tariff classification of Citrus Aurantium Extract ( > 95% Synephrine), from China
You submitted a certificate of analysis and a process diagram for the preparation of the Citrus Aurantium Extract (> 95% Synephrine). The certificate of analysis indicates that the subject product contains 98.38% by weight of p-Synephrine,
The tariff classification of (-)-Cephalotaxine (CAS 24316-19-6) in bulk form, from China
The subject product, (-)-Cephalotaxine, is a benzazepine alkaloid isolated from Cephalotaxus harringtonia, an evergreen tree. In your letter, you indicated that it will be used as a pharmaceutical intermediate.
Other codes in heading 2939
Duty by origin country
The rate above is the statutory base. Total landed duty depends on origin — see the calculated rate for 2939.79.00.10 from each major US trading partner.
Follow 2939.79.00.10
Get an email when a new CBP ruling cites this code, a ruling on it is revoked, or its tariff measures change.
One email per day at most. Confirm your address once, unsubscribe anytime.
Need to defend this classification?
Get the full 10-digit classification with GRI reasoning for your product, backed by cited CBP rulings and an audit trail for reasonable care.