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Home HS CODES

HTS Code: 2945 — Antibiotics and Antimicrobial Substances

Classification of antibiotics, antimicrobial substances, and medicaments under HTS 2945

December 23, 2025
in HS CODES, HTS Code 29
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HTS US: 2945.XX.XXXX

Description

HTS code 2945 covers a broad range of antibiotics and antimicrobial substances used in human and veterinary medicine. These include various chemical compounds designed to prevent or treat infections caused by bacteria, fungi, parasites, and other microorganisms. The classification embraces both natural and synthetic antibiotics as well as related substances with antimicrobial properties.

Products classified under this heading may be presented in different pharmaceutical forms such as powders, granules, solutions, or concentrates intended for further processing or direct use in medicinal preparations. The substances included typically have recognized therapeutic effects to combat infectious diseases or to serve as active pharmaceutical ingredients (APIs).

Code Hierarchy

  • Section VI: Products of the Chemical or Allied Industries (Chapters 28-38)
  • Chapter 29: Organic Chemicals
  • Heading 2945: Antibiotics
  • US HTS Code (10-digit): 2945.XX.XXXX – Specific codes define the exact antibiotic or antimicrobial substance and its form.

Detailed Breakdown of Subheadings

Although no sub-codes are found in the provided database for 2945, the heading typically encompasses several specific antibiotics and antimicrobial substances, which are further divided in official HTS nomenclature based on chemical composition and usage. Below is a generalized illustration of the types included under HTS 2945:

HS/HTS Code Description Examples & Notes
2945.10 Antibiotics Includes penicillins, streptomycins, tetracyclines, and other natural or synthetic antibiotics.
2945.10.1000 Penicillins and their derivatives Used widely for bacterial infections treatment; may be raw or processed forms.
2945.10.2000 Streptomycins and related substances Broad-spectrum antibiotics for various infections.
2945.10.9000 Other antibiotics, including tetracyclines, chloramphenicol Various synthetic and semi-synthetic antibiotics.
2945.20 Antimicrobial Substances (other than antibiotics) Compounds with antimicrobial activity but not classified strictly as antibiotics.
2945.20.1000 Sulfonamides and derivatives Common antimicrobial agents used in medicine.
2945.20.9000 Other antimicrobial compounds Includes various disinfectants and antiseptic agents intended for medicinal use.

What is NOT Classified Here?

To prevent misclassification, note that the following are excluded from HTS 2945 and classified elsewhere:

  • Medicaments containing antibiotics (finished pharmaceutical products) are generally classified under Chapter 30 (HS 3003 and 3004).
  • Vitamins and hormones are classified under different headings, such as 2936 and 2937.
  • Raw chemical elements or other organic chemicals not possessing antibiotic or antimicrobial properties fall under other chapters.
  • Antiseptics and disinfectants intended for non-medical uses may be classified outside this heading.

Notes

  • Regulatory Oversight: Import and export of antibiotics under this heading are subject to strict controls by agencies such as the FDA and DEA in the United States due to their critical role in public health and potential for misuse.
  • Duty Rates: Tariff rates vary depending on the exact chemical and its intended use. Many antibiotics benefit from preferential rates or exemptions under trade agreements.
  • Documentation: Importers typically must provide certificates of analysis, safety data sheets, and compliance with pharmaceutical standards.

Declaration Example

Product: A shipment of penicillin derivatives for pharmaceutical manufacturing.US HTS Code: 2945.10.1000 (Penicillins and their derivatives)

Unit of Quantity: Kilogram (kg)

General Duty Rate: Check current USHTS (Often duty-free under various trade programs)

Additional Requirements: FDA import permits and compliance with pharmaceutical regulations.

Related HTS Codes

  • HTS 3003: Medicaments consisting of two or more constituents mixed together for therapeutic or prophylactic uses.
  • HTS 3004: Medicaments consisting of mixed or unmixed products for therapeutic or prophylactic uses, put up in measured doses.
  • HTS 2936: Provitamins and vitamins, natural or reproduced by synthesis.
  • HTS 2937: Hormones, derivatives, and other related substances.
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