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HSChapter 29
U.S. imports of tetracyclines and their derivatives; salts thereof (HS 294130) totaled $10.3M in July 2026, traded with 11 countries.
Importers of Tetracyclines and Their Derivatives; Salts Thereof paid $533 in duties in July 2026 — an effective duty rate of 0.0% on $1.3M in dutiable value, based on actual customs collections rather than the published tariff schedule. Tetracyclines and Their Derivatives; Salts Thereof imports of $10.3M in July 2026 ran 30% above the year-to-date monthly average of $7.9M.
Tetracyclines are broad-spectrum antibiotics widely used in human medicine, veterinary applications, and aquaculture, and all imports as drug substances fall under FDA oversight for cGMP compliance and facility registration. The entire heading is captured under a single 10-digit line (2941300000), meaning classification disputes typically arise at the chapter level rather than within the heading. China and Switzerland lead US supply, with Germany also a notable source — a supplier mix that reflects both large-scale API fermentation capacity and high-purity synthetic derivative manufacturing. Chinese-origin tetracycline APIs may be subject to Section 301 tariff measures.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
32 shipments/mo
Yes, semi-synthetic derivatives including doxycycline and minocycline are classified under 294130 as tetracycline derivatives, provided they retain the tetracycline core structure. Importers should confirm the specific chemical identity with a licensed customs broker, as some highly modified compounds may be reclassified elsewhere in Chapter 29.
A commercial shipment generally requires an FDA Prior Notice (if the substance may be used in food-contact or veterinary contexts), a certificate of analysis, and evidence of the exporting facility's FDA registration. Drug substance shipments may also require an import alert check to confirm the facility is not on detention-without-physical-examination status.
Subheading 2 of 6 in heading 2941
Subheading 294130 · $10.3M of $41.3M
HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 2941300090 | Tetracyclines and Their Derivatives; Salts Thereof | $9.3M | 0.0057% | 13.85% | $533 |
| 2941300010 | Doxycycline (Inn) and Its Salts | $1.0M | 0.00% | 0.00% | -- |
| 2941300000 | Tetracyclines and Their Derivatives; Salts Thereof | $0 | -- | -- | -- |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 2941300000 | Tetracyclines and Their Derivatives; Salts Thereof | $1.3M |
Import lines come from the U.S. Harmonized Tariff Schedule and export lines from Schedule B. The two are numbered by different agencies, so the same 10-digit code can appear in both tables describing a different product.
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ImportsExports
Imports
$10.3MYoY · Pro
Exports
$1.3MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Imports · July 2026
origin
China and Germany together supply 88% of it.
customs district
destination
entry
rate provision · imports
87.5% enters free of duty; the effective duty rate is 0.01%.