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HSChapter 29
U.S. imports of tetracyclines and their derivatives; salts thereof (HS 294130) totaled $10.9M in April 2026, traded with 10 countries.
Importers of Tetracyclines and Their Derivatives; Salts Thereof paid $38K in duties in April 2026 — an effective duty rate of 10% on $378K in dutiable value, based on actual customs collections rather than the published tariff schedule. Tetracyclines and Their Derivatives; Salts Thereof imports of $10.9M in April 2026 ran 30% above the year-to-date monthly average of $8.4M.
Last updated: April 2026 dataTetracyclines 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.
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.
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Monthly import values over time
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 2941300000 | TETRACYCLINES AND THEIR DERIVATIVES; SALTS THEREOF | $10.9M | 10.00% | $38K |
TETRACYCLINES AND THEIR DERIVATIVES; SALTS THEREOF
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 2941300000 | TETRACYCLINES AND THEIR DERIVATIVES; SALTS THEREOF | $5.7M |
TETRACYCLINES AND THEIR DERIVATIVES; SALTS THEREOF
2.0M gm
NUCLEIC ACIDS & SALTS; OTHER HETEROCYCLIC CMP, NES
HS 293499
HETEROCYCLIC COMP W NITROGEN HETERO-ATM ONLY NESOI
HS 293399
POLYPEPTIDE PROTEIN& GLYCOPROTEIN HORMONES &DERIV
HS 293719
CMPDS CONT AN UNFUSED PYRIDINE RING ETC NESOI
HS 293339
COMP WITH PYRIMIDINE OR PIPERAZINE RING, NESOI
HS 293359
ANTIBIOTICS, NESOI
HS 294190
| Port | Imports | Exports | Balance |
|---|---|---|---|
| SAVANNAH, GA | -- | $5.5M | +$5.5M |
| TACOMA, WA | $3.4M | -- | -$3.4M |
| LONG BEACH, CA | $2.8M | -- | -$2.8M |