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HSChapter 29
U.S. imports of alkaloids, their salts, ethers, esters and derivatives (other) (HS 293980) totaled $385K in April 2026, traded with 9 countries.
Importers of Alkaloids, Their Salts, Ethers, Esters and Derivatives (Other) paid $45K in duties in April 2026 — an effective duty rate of 28% on $158K in dutiable value, based on actual customs collections rather than the published tariff schedule. Alkaloids, Their Salts, Ethers, Esters and Derivatives (Other) imports of $385K in April 2026 ran 101% above the year-to-date monthly average of $192K.
Last updated: April 2026 dataA structurally diverse residual category, this heading captures alkaloids not classified elsewhere in Chapter 29, split between saxitoxin (2939800010) — a potent marine biotoxin used in neurological research and as a reference standard — and all other natural or synthetically reproduced alkaloids and their salts (2939800050). Switzerland and Italy lead US imports, with India and China also prominent. Saxitoxin is a Schedule 1 chemical under the Chemical Weapons Convention and subject to strict import controls; other compounds in the residual line span a wide range of pharmaceutical, research, and industrial applications, each potentially triggering distinct FDA or DEA requirements.
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Saxitoxin is listed as a Schedule 1 chemical under the Chemical Weapons Convention, meaning imports require advance notification and authorization through the Commerce Department's Chemical Weapons Convention regulations, in addition to any applicable DEA or FDA requirements. Research quantities for legitimate scientific use are permitted but subject to rigorous documentation and end-use certification.
A synthetic compound classifies under 2939800050 only if it is not more specifically provided for elsewhere in Chapter 29. If the synthetic compound is chemically identical to a named alkaloid with its own subheading — such as caffeine or ephedrine — it must be classified in that specific subheading regardless of whether it was produced by synthesis or extracted from a plant source.
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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 |
|---|---|---|---|---|
| 2939800050 | OTHER ALKALOIDS,NATRAL/REPRDCD BY SYNTHES&SALTS | $385K | 28.14% | $45K |
OTHER ALKALOIDS,NATRAL/REPRDCD BY SYNTHES&SALTS
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 2939800050 | OTHER ALKALOIDS,NATRAL/REPRDCD BY SYNTHES&SALTS | $88K |
| 2939800010 | SAXITOXIN | $7K |
OTHER ALKALOIDS,NATRAL/REPRDCD BY SYNTHES&SALTS
384 kg
SAXITOXIN
428 kg
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 |
|---|---|---|---|
| New Jersey | $262K | -- | -$262K |
| Maryland | -- | $55K | +$55K |
| New York | $34K | -- | -$34K |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| JFK INTERNATIONAL AIRPORT, NY | $157K | $20K | -$137K |
| LOS ANGELES, CA | $88K | -- | -$88K |
| SAN FRANCISCO INTERNATIONAL AIRPORT, CA | $42K | $4K | -$38K |