2934.99.47.40
Timolol maleate and its salts
Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds: Other: Other: Other: 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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Internal Advice; Protest No. 4601-19-104145; Eligibility of Pyroxasulfone Technical for duty-free treatment under the Generalized System of Preferences; Imported Directly Requirement; 19 C.F.R. § 10.175
The merchandise at issue consists of Pyroxasulfone entered on September 21, 2017 by the protestant under subheading 2934.99.90, Harmonized Tariff Schedule of the United States (“HTSUS”) as eligible for preferential tariff treatment under th
Other codes in heading 2934
Duty by origin country
The rate above is the statutory base. Total landed duty depends on origin — see the calculated rate for 2934.99.47.40 from each major US trading partner.
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