Chapter 29: Organic chemicals
HTS heading 2941: Antibiotics
25 numbered lines under heading 2941, including 17 10-digit statistical lines. The first six digits are the international HS subheading; the general column is the normal US duty rate.
| HTS code | Description | Unit | General | Special | Column 2 |
|---|---|---|---|---|---|
| 2941 | Antibiotics: | ||||
| 2941.10 | Penicillins and their derivatives with a penicillanic acid structure; salts thereof: | ||||
| 2941.10.10.00 | Ampicillin and its salts | kg | Free | 15.4¢/kg + 48.5% | |
| 2941.10.20.00 | Penicillin G salts | kg | Free | 15.4¢/kg + 49% | |
| Other: | |||||
| 2941.10.30.00 | Carfecillin, sodium; Cloxacillin, sodium; Dicloxacillin, sodium; Flucloxacillin (Floxacillin); and Oxacillin, sodium | kg | Free | 15.4¢/kg + 45% | |
| 2941.10.50.00 | Other | kg | Free | 15.4¢/kg + 56.5% | |
| 2941.20 | Streptomycins and their derivatives; salts thereof: | ||||
| 2941.20.10.00 | Dihydrostreptomycin and its derivatives; salts thereof | g | 3.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 25% |
| 2941.20.50.00 | Other | g | Free | 25% | |
| 2941.30.00 | Tetracyclines and their derivatives; salts thereof | Free | 25% | ||
| 2941.30.00.10 | Doxycycline (INN) and its salts | g | |||
| 2941.30.00.90 | Other | g | |||
| 2941.40.00.00 | Chloramphenicol and its derivatives; salts thereof | kg | Free | 15.4¢/kg + 45% | |
| 2941.50.00.00 | Erythromycin and its derivatives; salts thereof | g | Free | 25% | |
| 2941.90 | Other: | ||||
| 2941.90.10 | Natural | Free | 10% | ||
| Aminoglycoside antibiotics: | |||||
| 2941.90.10.20 | Tobramycin (INN) | kg | |||
| 2941.90.10.25 | Other | kg | |||
| 2941.90.10.50 | Other | kg | |||
| Other: | |||||
| 2941.90.30 | Aromatic or modified aromatic | Free | 15.4¢/kg + 45% | ||
| 2941.90.30.30 | Vancomycin (INN) and its salts | kg | |||
| 2941.90.30.90 | Other | kg | |||
| 2941.90.50 | Other | Free | 25% | ||
| 2941.90.50.30 | Clindamycin (INN) and its salts | kg | |||
| 2941.90.50.90 | Other | kg |
Statistical (10-digit) lines without a rate use the rate of the 8-digit line above them. Additional duties such as Section 301 and Section 232 may apply; check them with the tariff checker.
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Request a free auditSource: Harmonized Tariff Schedule of the United States, 2026 HTS Revision 20 (effective 2026-09-28), U.S. International Trade Commission (hts.usitc.gov), imported 2026-10-07. Reference only; not legal or customs advice or a binding classification. Additional duties under Chapter 99 may apply. ShipWave is not affiliated with the USITC or U.S. Customs and Border Protection.