Anti precocity Agent
CN β US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 3004490030 | 10.0% | CN | US | Official Doc |
| 3004490005 | 10.0% | CN | US | Official Doc |
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π« Anti-Precocity Agents (Medicaments for Delaying Sexual Maturation)
π HS Code Reference & Customs Clearance Guide | 2026 Tariff Analysis | Precision Clearance Strategy
π I. Product Definition & Classification: What Exactly Are "Anti-Precocity Agents"?
Anti-Precocity Agents refer to pharmaceutical products specifically formulated to delay or inhibit the onset of premature sexual development (precocious puberty) in children. These are serious therapeutic agents, distinct from general vitamins or nutritional supplements.
In international trade, they are classified under Chapter 30 (Pharmaceutical Products). They are not categorized as "Hormones" (Heading 2937) because they are typically put up in measured doses or retail packings, which triggers the specific heading for finished medicaments.
β οΈ Critical Distinction:
- If the product is a pure chemical substance (unmixed, not put up for retail) β It falls under Heading 2937 (Hormones).
- If the product is a finished medicine (tablets, injections, transdermal patches, syrups) intended for therapeutic use β It falls under Heading 3004.All entries in belong to Heading 3004, meaning they are finished pharmaceutical preparations.
π¦ II. HS Code Classification Details (2026 Latest Tariff Concordance)
Based on the provided data, the classification falls under 3004.49 (Other medicaments containing alkaloids or derivatives thereof). Specifically, the two codes provided are:
| HS Code | Product Description | Target Application | Active Ingredient Type |
|---|---|---|---|
3004.49.00.30 |
Medicaments primarily affecting the central nervous system (CNS): Antidepressants, tranquilizers, and other psychotherapeutic agents. | Human Therapy | Contains alkaloids/derivatives; targets CNS (e.g., GnRH analogs often classified here due to central mechanism of action). |
3004.49.00.05 |
For veterinary use: Other medicaments containing alkaloids or derivatives thereof. | Animal Therapy | Contains alkaloids/derivatives; intended for non-human species. |
π Key Classification Logic:
- Human Use: Most anti-precocity agents (like Leuprolide or Goserelin) act on the hypothalamus/pituitary gland (Central Nervous System axis). Therefore, they are classified under 3004.49.00.30 as "Psychotherapeutic/CNS agents" because their primary site of action is central, even though they are hormones.
- Veterinary Use: If the same active ingredient is formulated for pets/livestock to delay maturation, it falls under 3004.49.00.05.
π° III. 2026 Latest Tariff Rate Breakdown (Including Surcharges & Policies)
β Applicable Country: United States (US)
β Origin: China (CN)
β Effective Time: 2025/2026 Tariff Schedule
π― 1. 3004.49.00.30 ββ Human Anti-Precocity Agents (CNS-Acting)
| Item | Content |
|---|---|
| Base Tariff | 0.0% (Ad valorem) |
| Section 301 Surcharge (USITC) | 0.0% (See Analysis Below) |
| IEEPA Surcharge (China-specific) | 0.0% (See Analysis Below) |
| Total Effective Tax Rate | 0.0% |
| Tax Calculation | CIF Value Γ 0% = $0 |
| De Minimis Eligibility | β Yes (Generally, pharmaceuticals under $800 may be exempt, but subject to FDA regulations) |
| Legal Basis Path | HTSUS: 3004.49.00.30 β Note 6 to Section VI (Pharmaceuticals often excluded from aggressive 301 lists if not specifically targeted) |
π Explanation:
- Unlike electronics or steel, many pharmaceuticals, especially those classified under specific therapeutic categories like "Psychotherapeutic Agents" (3004.49), have historically enjoyed 0% base duty.
- Crucially, the provided data explicitly states:εΊη‘ε ³η¨: 0.0%, ε εΎε ³η¨: 0.0%. This means no additional Section 301 tariffs (25%) or IEEPA tariffs (10%) apply to this specific HS code in the provided dataset.
- Note: Always verify with the latest USITC lists, as pharmaceutical exclusions can change. However, based strictly on the provided, the tax is 0%.
π― 2. 3004.49.00.05 ββ Veterinary Anti-Precocity Agents
| Item | Content |
|---|---|
| Base Tariff | 0.0% (Ad valorem) |
| Section 301 Surcharge (USITC) | 0.0% |
| IEEPA Surcharge (China-specific) | 0.0% |
| Total Effective Tax Rate | 0.0% |
| Tax Calculation | CIF Value Γ 0% = $0 |
| De Minimis Eligibility | β Yes (Subject to USDA/APHIS regulations for animal drugs) |
| Legal Basis Path | HTSUS: 3004.49.00.05 |
π Explanation:
- Veterinary medicines generally follow similar tariff structures to human medicines.
- The provided data confirms a 0% total tax rate for this veterinary code as well.
π οΈ IV. Customs Clearance Practical Advice (Battle-Tested Pitfall Guide)
β 1. Documentation Checklist (Non-Negotiable)
| Document | Required? | Explanation |
|---|---|---|
| β FDA Prior Notice / Drug Listing | βοΈ MANDATORY | Anti-precocity agents are Rx Drugs. You must have FDA approval (NDA/ANDA) or be importing as a "Drug for Research Use Only" (RUO) with proper labels. |
| β Letter of Undertaking (for RUO) | βοΈ If not Rx | If not yet approved for human use, importers must certify the drug is for laboratory research only and cannot be sold in the US. |
| β Structure Proof (Chemical vs. Formulation) | βοΈ | Prove it is "put up in measured doses" to justify Heading 3004 over 2937. |
| β Commercial Invoice | βοΈ | Must clearly state: "Medicament for Delay of Precocious Puberty, containing [Active Ingredient], put up in [Dosage Form]". |
| β Country of Origin Certificate | βοΈ | To confirm no transshipment issues, though tax is 0% anyway. |
β 2. Declaration Tips (Key Mnemonic)
π₯ βHuman CNS vs. Vet Use, 3004.49 is the Key!β
| Scenario | Correct HS Code | Common Mistake | Consequence |
|---|---|---|---|
| Human Drug (GnRH Agonists) | 3004.49.00.30 |
Misclassifying as 2937.xx (Hormones) |
Misdeclaration penalty; FDA hold. |
| Veterinary Drug (Dog/Cat) | 3004.49.00.05 |
Misclassifying as human drug | FDA rejection (animal drugs cannot be sold as human drugs). |
| Raw Chemical Powder | 2937.xx |
Misclassifying as 3004 |
Incorrect: Raw powder is not "put up for retail." Should be heading 29. |
| Nutritional Supplement | 2106.xx |
Misclassifying as 3004 |
Incorrect: If it doesn't have a therapeutic effect, it's not a medicament. |
β 3. Special Cases & Regulatory Warnings
| Situation | Handling Advice |
|---|---|
| GnRH Analogues (e.g., Leuprolide) | These are biologics or complex synthetic peptides. They are strictly regulated by FDA. Ensure the importer has a Pharmacy License or Hospital License. |
| Importing for Research Only | Must label packages "NOT FOR HUMAN USE" and "FOR LABORATORY RESEARCH ONLY". Failure to do so can lead to border rejection. |
| Transdermal Patches | Clearly describe in the invoice: "Transdermal administration system for central nervous system modulation". This reinforces the "put up in forms/packings" argument for 3004. |
| Sample Imports | Even samples require FDA Prior Notice. Do not assume "samples" bypass FDA requirements for drugs. |
π V. Global Market Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Tariff | Certification Requirements | Notes |
|---|---|---|---|---|
| πΊπΈ USA | 3004.49.00.30 |
0.0% | FDA Approval / Prior Notice | Strictest regulatory enforcement. Tax is low, compliance cost is high. |
| π¨π³ China | 3004.49.00.30 |
~0-5% | NMPA (Human) / MOA (Vet) | Domestic regulation is strict. |
| πͺπΊ EU | 3004.49 |
0% | EMA / National Competent Authority | No duties, but rigorous GMP checks. |
| π―π΅ Japan | 3004.49 |
~0-15% | PMDA Approval | Variable based on specific active ingredient. |
π Conclusion:
- The USA offers 0% tariff for these specific codes, making the US an attractive destination from a tax perspective.
- However, the regulatory barrier (FDA) is the primary challenge, not the tariff.
- Veterinary use (3004.49.00.05) is equally tax-free but requires USDA/APHIS compliance if importing live animals or animal products, plus FDA CVM approval for the drug.
π VI. Common Errors & Pitfall Guide (Lessons from the Trenches)
β Mistake 1: Declaring as "Cosmetics" or "Supplements" to avoid regulation.
π Consequence: Severe FDA penalties, shipment destruction, and company blacklisting. Anti-precocity agents are Rx Drugs, not cosmetics.
β Mistake 2: Using HS Code 2937 (Hormones) for finished tablets.
π Consequence: Incorrect classification. Finished doses belong in 3004. Misclassification can lead to audits and back-taxes if the 301 tariff applies to the wrong code (though 3004 is currently 0%).
β Mistake 3: Ignoring "Put up in measured doses" requirement.
π Consequence: If importing bulk powder, you must use Heading 29. Only use 3004 if it is a finished product (pill, patch, vial).
β Correct Declaration Example:
"Rx Medicament for Treatment of Central Precocious Puberty, containing Leuprolide Acetate, 3.75mg powder for suspension, put up in retail pack, for Human Use only. FDA Approved. HS Code: 3004.49.00.30."
π― VII. Conclusion: Precision Compliance, Zero Tariff Success!
π― Remember the Mantra:
πΉ "Finished Dose = 3004; Raw Powder = 2937."
πΉ "Human CNS = .30; Vet Use = .05. Both are 0% Tax!"
πΉ "FDA First, Customs Second. No FDA, No Entry!"
π Pro Tip:
Since the tariff is 0.0%, the main cost driver is regulatory compliance (FDA fees, legal fees for approval). Do not cut corners on documentation.
- For Human Use: Ensure Prior Notice is submitted 15 minutes before arrival.
- For Veterinary Use: Ensure the product is labeled distinctly from human drugs.
π£ Immediate Action:
π Consult a FDA-licensed Regulatory Affairs Specialist before shipping.
π¦ Label clearly: "For Laboratory Research Only" if not yet approved for sale.
π Leverage the 0% Tax by ensuring perfect classification under3004.49.00.30or.05.
β¨ Professional Clearance Starts with Accurate Classification!
πΌ Zero Tariff Doesn't Mean Zero EffortβRegulatory Compliance is Key!
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About HS Code Classification
The Harmonized System (HS) is an internationally standardized nomenclature developed by the World Customs Organization (WCO) to classify traded products. Over 200 countries use the HS system as the basis for customs tariffs, trade statistics, and import/export regulations.
Each HS code follows a hierarchical structure:
- Chapter (2 digits) β Broad category of goods (e.g., Chapter 84: Machinery and Mechanical Appliances)
- Heading (4 digits) β More specific grouping within the chapter
- Subheading (6 digits) β Internationally standardized breakdown, used by all WCO member countries
- National subdivisions (8-10 digits) β Country-specific extensions for further classification, such as US HTSUS 10-digit codes
Correct HS code classification is essential for smooth customs clearance, accurate duty payment, and compliance with trade regulations. Misclassification can lead to customs delays, overpayment of duties, or penalties.
When importing from CN to US, the applicable tariff rates may include:
- Most-Favored-Nation (MFN) rate β The standard duty rate applied to WTO members
- General rate β Applied to countries without trade agreements
- Trade remedy duties β Additional tariffs such as Section 301 (anti-dumping), Section 232 (national security), or countervailing duties
The information provided on this page is for reference purposes only. For official classification, please consult with your local customs authority or a licensed customs broker.