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HSChapter 29
U.S. imports of erythromycin and its derivatives; salts thereof (HS 294150) totaled $153K in April 2026, traded with 4 countries.
Erythromycin and Its Derivatives; Salts Thereof imports of $153K in April 2026 ran 81% below the year-to-date monthly average of $819K.
Last updated: April 2026 dataErythromycin is a macrolide antibiotic and the biosynthetic precursor to widely used semi-synthetic derivatives such as azithromycin and clarithromycin, making this heading commercially significant for both finished-drug manufacturers and API traders. Imports under 2941500000 — the sole 10-digit line — are subject to FDA cGMP requirements and foreign facility registration. China and India are the leading suppliers, reflecting their dominant role in macrolide fermentation and semi-synthesis; Spain rounds out the top three sources. Shipments of Chinese origin may carry Section 301 tariff liability, a cost factor that has prompted some buyers to evaluate Indian and Spanish alternatives.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Azithromycin and clarithromycin are semi-synthetic macrolides derived from erythromycin, but their classification depends on their specific chemical structure. Customs authorities and FDA may classify them under 294150 or elsewhere in Chapter 29 depending on the degree of structural modification; importers should seek a binding ruling or consult a licensed customs broker before assuming classification.
Concentration of fermentation capacity in China and India creates single-source risk, particularly during periods of raw material shortages or regulatory enforcement actions. Section 301 tariffs on Chinese-origin APIs add a cost layer that can shift sourcing economics toward Indian or European suppliers, though lead times and minimum order quantities may differ significantly.
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Monthly import values over time
| Country | Imports | Exports | Balance |
|---|---|---|---|
| ITALY | -- | $403K | +$403K |
| INDIA | $102K | $18K | -$84K |
| SWITZERLAND | -- | $75K | +$75K |
| CHINA | $41K | -- | -$41K |
| SPAIN | $10K | -- | -$10K |
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % |
|---|---|---|---|
| 2941500000 | ERYTHROMYCIN AND ITS DERIVATIVES; SALTS THEREOF | $153K | -- |
ERYTHROMYCIN AND ITS DERIVATIVES; SALTS THEREOF
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 2941500000 | ERYTHROMYCIN AND ITS DERIVATIVES; SALTS THEREOF | $498K |
ERYTHROMYCIN AND ITS DERIVATIVES; SALTS THEREOF
114.0K 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
| State | Imports | Exports | Balance |
|---|---|---|---|
| Puerto Rico | -- | $403K | +$403K |
| Kansas | $102K | -- | -$102K |
| New York | $10K | $71K | +$60K |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| SAN JUAN INTERNATIONAL AIRPORT, PR | -- | $403K | +$403K |
| CHICAGO, IL | $102K | -- | -$102K |
| JFK INTERNATIONAL AIRPORT, NY | $10K | $75K | +$65K |