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Official data Source: US Census Bureau international trade data Data through August 2026 · updated monthly

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HS 2934.92

Fentanyls and their derivatives containing an unfused thiazole ring, whether or not hydrogenated, not elsewhere specified

In short

  • The US imported $3.5M of this product over the 12 months to August 2026, up 9.5% on the year before.
  • China is the largest supplier, with 55.7% of US imports; India is next, with 44.3%.
  • China is the cheapest main supplier before and after freight and duty, landing at $25.36/kg.
  • Duty paid averaged 9.1% of the value of imports in August 2026, down 12.5 points on a year earlier.
  • China is gaining share: 94.9% over the last 12 months, up from 71.0%.
  • 4 Federal Register notices named this product's tariff codes in the last 12 months.

US imports, Aug 2026

$66K

↓ −7.9% vs Aug 2025

Last 12 months

$3.5M

↑ +9.5% vs the 12 months before

Average duty paid

9.1%

↓ −12.5 pts vs Aug 2025

Top supplier

China

55.7% of US imports

US imports by month

The last 13 months, so the same month a year ago is on the left. August 2026 is highlighted. Dotted lines mark lasting changes in duty paid, labelled with the supplier, or "Duty" when several moved; the tariff timeline lists each one with its notices.

Aug2025SepOctNovDecJan2026FebMarAprMayJunJulAugDuty ↓
Show the numbers
MonthUS imports
August 2025$71K
September 2025$31K
October 2025$1.4M
November 2025$18K
December 2025$109K
January 2026$592K
February 2026$171K
March 2026$34K
April 2026$277K
May 2026$51K
June 2026$197K
July 2026$579K
August 2026$66K

What changed

  • US imports were $66K in August 2026, down 89% from July 2026 and down 7.9% from August 2025.
  • Over the 12 months to August 2026 they totalled $3.5M, up 9.5% on the 12 months before.
  • Biggest moves in market share since July 2026: India up from 1.3% to 44.3%, China down from 98.7% to 55.7%.
  • Average price from China fell 64% since July 2026, to $9.12/kg.
  • Duty paid on imports from China rose from 6.5% to 16.4% of their value since July 2026.

US trade by year

US imports were $3.5M in the 12 months to Aug 2026, up 25% on the 12 months to Aug 2023. US exports were $278K, down 37%. This code began with the HS 2022 revision in January 2022, taking goods from 2934.99, so its history starts there. Dotted lines mark lasting changes in duty paid, labelled with the supplier, or "Duty" when several moved; the tariff timeline lists each one with its notices.

2023202420252026Duty ↓
Show the numbers
PeriodUS imports
12 months to Aug 2023$2.8M
12 months to Aug 2024$4.5M
12 months to Aug 2025$3.2M
12 months to Aug 2026$3.5M
  • China
  • India
  • Germany
  • United Kingdom
  • All countries
Share of US imports
Show the numbers
PeriodChinaIndiaGermanyUnited Kingdom
12 months to Aug 202345.6%5.2%8.8%8.9%
12 months to Aug 202468.3%0.2%2.9%2.5%
12 months to Aug 202571.0%3.0%0.1%5.7%
12 months to Aug 202694.9%3.1%1.7%0.2%
Duty paid, % of value
Show the numbers
PeriodChinaIndiaGermanyUnited KingdomAll countries
12 months to Aug 20236.3%6.5%4.0%6.5%6.2%
12 months to Aug 20246.5%6.5%6.5%6.5%6.5%
12 months to Aug 202512.2%6.5%6.5%6.5%10.4%
12 months to Aug 202617.4%0.0%1.0%0.0%16.5%
PeriodUS importsDuty paidUS exports
12 months to Aug 2026$3.5M+9.5%16.5%+6.1 pts$278K−44%
12 months to Aug 2025$3.2M−29%10.4%+3.9 pts$502K+44%
12 months to Aug 2024$4.5M+60%6.5%+0.3 pts$349K−21%
12 months to Aug 2023$2.8M6.2%$440K

Who supplies the US

August 2026. Small figures under each value are the change from August 2025. Landed cost by origin, below, adds freight and duty to the price.

CountryUS importsShareAverage priceDuty paidLast 13 months
China$36K55.7%−25.8 pts$9.12/kg−97%16.4%−10.1 pts
India$29K44.3%new$145.00/kg0.0%
All countries$66K100.0%$15.58/kg−95%9.1%−12.5 pts

The 3 largest suppliers had 99.7% of US imports over the last 12 months.

Landed cost by origin

What importers paid to land this product at a US port from each main supplier, June–August 2026: the price, freight and insurance to the first US port, and duty, per unit. Suppliers with 3% or more of these imports, cheapest landed first. Small figures under landed cost are the change from the same months a year earlier.

  • Price
  • Freight and insurance
  • Duty
CountryPriceFreight and insuranceDutyLanded costMake-up
China$23.69/kg$0.03/kg0.1% of price$1.65/kg6.9% of price$25.36/kg−37%
India$145.00/kg$12.00/kg8.3% of price$0.00/kg0.0% of price$157.00/kg
All countries$24.57/kg$0.11/kg0.5% of price$1.63/kg6.6% of price$26.32/kg−47%

Landed at a US port, China was cheapest, at $25.36/kg: 83.8% below India.

Landed cost from China fell 37% on a year earlier, to $25.36/kg, mostly on price: $31.92/kg then, $23.69/kg now.

How the market is shifting

China gained the most share: 94.9% of US imports over the last 12 months, up from 71.0% in the 12 months before. United Kingdom lost the most: 0.2%, down from 5.7%. The charts show September 2024 to August 2026 for the 4 largest suppliers over the last 12 months. Dotted lines mark lasting changes in duty paid, labelled with the supplier, or "Duty" when several moved; the tariff timeline lists each one with its notices.

  • China
  • India
  • Germany
  • United Kingdom
  • All countries
Share of US imports
Show the numbers
MonthChinaIndiaGermanyUnited Kingdom
September 20247.4%34.4%0.0%26.2%
October 202437.4%0.0%0.0%0.0%
November 202421.9%0.0%0.0%0.0%
December 202426.3%0.0%0.0%18.5%
January 202598.2%0.0%0.0%0.0%
February 2025100.0%0.0%0.0%0.0%
March 20250.0%0.0%0.0%21.8%
April 202511.2%0.0%2.3%22.1%
May 20257.3%0.0%0.0%0.0%
June 20250.0%0.0%0.0%22.9%
July 202594.1%0.0%0.0%0.0%
August 202581.5%0.0%0.0%0.0%
September 2025100.0%0.0%0.0%0.0%
October 202598.1%0.0%1.9%0.0%
November 20250.0%100.0%0.0%0.0%
December 202567.6%9.6%13.8%6.1%
January 202698.5%0.0%1.5%0.0%
February 202694.4%0.0%5.6%0.0%
March 20260.0%100.0%0.0%0.0%
April 2026100.0%0.0%0.0%0.0%
May 202681.7%18.3%0.0%0.0%
June 2026100.0%0.0%0.0%0.0%
July 202698.7%1.3%0.0%0.0%
August 202655.7%44.3%0.0%0.0%
Duty paid, % of value
Show the numbers
MonthChinaIndiaGermanyUnited KingdomAll countries
September 20246.5%6.5%n/a6.5%6.5%
October 20246.5%n/an/an/a6.5%
November 20246.5%n/an/an/a6.5%
December 20246.5%n/an/a6.5%6.5%
January 20256.0%n/an/an/a6.1%
February 20256.5%n/an/an/a6.5%
March 2025n/an/an/a6.5%6.5%
April 202526.5%n/a6.5%6.5%8.7%
May 202526.5%n/an/an/a8.0%
June 2025n/an/an/a6.5%6.5%
July 202526.5%n/an/an/a24.9%
August 202526.5%n/an/an/a21.6%
September 202526.5%n/an/an/a26.5%
October 202526.5%n/a0.0%n/a26.0%
November 2025n/a0.0%n/an/a0.0%
December 202516.5%0.0%0.0%0.0%11.2%
January 202616.5%n/a0.0%n/a16.3%
February 202616.5%n/a6.5%n/a15.9%
March 2026n/a0.0%n/an/a0.0%
April 20266.4%n/an/an/a6.4%
May 20260.0%0.0%n/an/a0.0%
June 20266.5%n/an/an/a6.5%
July 20266.5%0.0%n/an/a6.4%
August 202616.4%0.0%n/an/a9.1%

Tariff actions touching this product

When the duty paid on this product changed and stayed changed, for its main suppliers and all countries, newest first, with the Federal Register notices that named the product in the 3 months before. Rates are medians of the 4 months either side, less any usual seasonal swing. A change shows what happened to duty paid, not why; read each notice for what it did.

  1. April 2026 · Duty paid: all countries 15.9% → 6.4%.

Federal Register notices from the last 12 months that list this product's tariff codes. A notice can add a duty, exclude products from one or only mention them, so read each for what it changes. Search the Federal Register for 2934.92

Where it enters the US

Main ports of entry over the 12 months to August 2026: US imports and share.

  1. Newark, NJ$1.4M · 40.2%
  2. Savannah, GA$1.4M · 39.1%
  3. Jfk International Airport, NY$522K · 14.8%
  4. Champlain-Rouses Point, NY$88K · 2.5%
  5. New Orleans, LA$72K · 2.0%

Where US exports go

US exports were $21K in August 2026, down 49% from August 2025, and $278K over the last 12 months, down 44% on the 12 months before. Fastest-growing market with 3% or more of US exports: Canada, up 731%.

MarketLast 12 monthsSharevs 12 months before
India$47K16.9%new
Australia$42K14.9%+40%
United Kingdom$35K12.7%+9.6%
Canada$29K10.6%+731%
Philippines$25K9.0%+29%
Colombia$20K7.1%new
United Arab Emirates$18K6.3%+0.5%
China$12K4.4%new
Other countries (8)$50K18.1%−56%
All countries$278K100.0%−44%

Markets abroad

Each country's own import figures for this product, from UN Comtrade: the 8 biggest importers outside the US in the latest year each has reported, what they bought from the US, and the change from the year before. Values usually include freight and insurance to the importer's border, so they run a little above US export figures. Countries report a year or more late; 48 have reported 2025 so far.

MarketImportsvs year beforeFrom the USUS share
Spain$1.8Min 2025−53%$6390.0%
New Zealand$789Kin 2025+76%$00.0%
Netherlands$411Kin 2025+26%$2120.1%
India$360Kin 2025−52%$00.0%
Croatia$231Kin 2025n/a$00.0%
Chile$192Kin 2024−89%$00.0%
Germany$178Kin 2025+130%$9K5.2%
Italy$168Kin 2025−44%$00.0%

The biggest market outside the US is Spain, which imported $1.8M of this product in 2025, under 0.1% of it from the US.

Other products under heading 2934: nucleic acids and their salts, other heterocyclic compounds. US trade over the 12 months to August 2026.

ProductUS importsUS exports
Nucleic acids and there salts, wheter or not chemically defined; other heterocyclic compounds, not elsewhere specifiedHS 2934.99$7.84B$1.35B
Heterocyclic compounds containing an unfused triazole ring (whether or not hydrogenated) in the structureHS 2934.10$322.5M$18.5M
Heterocyclic compounds containing a benzothiazole ring-system (whether or not hydrogenated), not further fusedHS 2934.20$69.8M$31.5M
Heterocyclic compounds containing a phenothiazine ring-system (whether or not hydrogenated), not further fusedHS 2934.30$12.5M$1.3M
Aminorex (inn), brotizolam (inn), clotiazepam (inn), cloxazolam (inn), dextromoramide (inn), haloxazolam (inn), etc. & salts thereofHS 2934.91$285K$729K
About these figures
  • Source: US Census Bureau international trade data, not seasonally adjusted, in US dollars. Retrieved November 3, 2026.
  • US imports are general imports at customs value, which excludes freight and insurance. Exports are at free-alongside-ship value.
  • Average price is customs value divided by quantity (kilograms), across all of the product's 10-digit lines.
  • Duty paid is the duty Census calculates on each country's imports for consumption, as a share of their value. It moves with tariff changes, exemptions and the mix of goods within the product.
  • Landed cost adds Census's import charges (freight, insurance and other costs of bringing the goods to the first US port) and calculated duty to the customs value, per unit, across the product's 10-digit lines. It leaves out antidumping and countervailing duties, customs fees and transport inland. Prices are averages across the goods within the code, so a lower one can mean cheaper goods, not the same goods for less.
  • Markets abroad are each country's imports as it reports them to UN Comtrade, in US dollars, usually including freight and insurance. Countries report a year or more late and in their own edition of the HS codes, so one still on an older edition is missing for codes that changed in 2022.
  • Tariff notices are from the Federal Register, matched to this product by the HTS numbers in their text.
  • Census revises recent months, so figures can change slightly. These are estimates for research and planning, not customs or legal advice.

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