Heading 2941: Antibiotics
Every line of heading 2941 in the U.S. Harmonized Tariff Schedule, with its general (column 1) duty rate. Open a code for the landed cost calculator, trade agreement rates and email alerts if the rate changes.
Antibiotics
Chapter 29: Organic chemicals. Schedule checked on November 8, 2026.
Not always the total: additional chapter 99 duties (such as Section 232 or Section 301), antidumping or countervailing duties may apply depending on the country of origin. See recent chapter 99 changes →
Tariff lines
| HTS code | Official description | General rate |
|---|---|---|
| 2941.10 | Penicillins and their derivatives with a penicillanic acid structure; salts thereof: | |
| 2941.10.10.00 | Ampicillin and its salts | Free |
| 2941.10.20.00 | Penicillin G salts | Free |
| 2941.10.30.00 | Carfecillin, sodium; Cloxacillin, sodium; Dicloxacillin, sodium; Flucloxacillin (Floxacillin); and Oxacillin, sodium | Free |
| 2941.10.50.00 | Other | Free |
| 2941.20 | Streptomycins and their derivatives; salts thereof: | |
| 2941.20.10.00 | Dihydrostreptomycin and its derivatives; salts thereof | 3.5% |
| 2941.20.50.00 | Other | Free |
| 2941.30.00 | Tetracyclines and their derivatives; salts thereof | Free |
| 2941.30.00.10 | Doxycycline (INN) and its salts | |
| 2941.30.00.90 | Other | |
| 2941.40.00.00 | Chloramphenicol and its derivatives; salts thereof | Free |
| 2941.50.00.00 | Erythromycin and its derivatives; salts thereof | Free |
| 2941.90 | Other: | |
| 2941.90.10 | Natural | Free |
| 2941.90.10.20 | Tobramycin (INN) | |
| 2941.90.10.25 | Other | |
| 2941.90.10.50 | Other | |
| 2941.90.30 | Aromatic or modified aromatic | Free |
| 2941.90.30.30 | Vancomycin (INN) and its salts | |
| 2941.90.30.90 | Other | |
| 2941.90.50 | Other | Free |
| 2941.90.50.30 | Clindamycin (INN) and its salts | |
| 2941.90.50.90 | Other |
Exporting this product from the U.S.?
Exports are reported with Schedule B numbers. Heading 2941 has 10 of them. Schedule B lookup →
- 2941.10.1000AMPICILLIN AND ITS SALTS
- 2941.10.2000PENICILLIN G AND ITS SALTS
- 2941.10.6000PENICILLINS AND THEIR DERIVATIVES WITH A PENICILLANIC ACID STRUCTURE AND SALTS THEREOF, NESOI
- 2941.20.1000DIHYDROSTREPTOMYCIN AND ITS DERIVATIVES; SALTS THEREOF
- 2941.20.5000STREPTOMYCINS AND THEIR DERIVATIVES; SALTS THEREOF, NESOI
- 2941.30.0000TETRACYCLINES AND THEIR DERIVATIVES; SALTS THEREOF
- 2941.40.0000CHLORAMPHENICOL AND ITS DERIVATIVES; SALTS THEREOF
- 2941.50.0000ERYTHROMYCIN AND ITS DERIVATIVES; SALTS THEREOF
- 2941.90.1010AMINOGLYCOSIDE ANTIBIOTICS
- 2941.90.6000ANTIBIOTICS NESOI
Source: U.S. International Trade Commission, Harmonized Tariff Schedule; Schedule B: U.S. Census Bureau. Information only, not legal or customs advice; U.S. Customs and Border Protection decides the classification and the duty. Confirm with a licensed customs broker before you ship.
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