2922.19.09.10
Diphenhydramine (INN) and its salts
Oxygen-function amino-compounds: Amino-alcohols, other than those containing more than one kind of oxygen function, their ethers and esters; salts thereof: Other: Aromatic: Drugs
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.
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Other codes in heading 2922
Duty by origin country
The rate above is the statutory base. Total landed duty depends on origin — see the calculated rate for 2922.19.09.10 from each major US trading partner.
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