2930.40.00.00—Methionine
General
Free
Units
kg
Column 2
25%
Special
—
Plain-English explanation
HTS 2930.40.00.00 is the U.S. Harmonized Tariff Schedule classification for Methionine. It's a 10-digit statistical line in Chapter 29: Organic chemicals, Section VI: Products of the Chemical or Allied Industries, used by U.S. Customs and Border Protection to determine the duty rate at entry. 3 active AD/CVD orders flag this code.
New to HTS codes? Read our guide on how HTS classification works →
Potentially applicable AD/CVD orders(3)
Active orders that may apply to imports under this HTS code. HTS coverage is advisory — actual scope depends on each order's product description. Run the AD/CVD lookup → to check whether your specific shipment is in scope.
Recent CBP rulings(2)
Past CBP decisions classifying real products under this HTS code. Useful precedent when classifying a similar product — each ruling shows how CBP interpreted the code for a specific case.
The tariff classification of DL-Methionine (CAS No. 59-51-8) from China.
The tariff classification of five amino acids from Japan.
Source: CBP CROSS (view all rulings on rulings.cbp.gov →)
Frequently asked questions
What is HTS code 2930.40.00.00?
HTS 2930.40.00.00 is the U.S. Harmonized Tariff Schedule classification for Methionine. It belongs to Chapter 29 of the HTSUS.
What is the general duty rate for HTS 2930.40.00.00?
The general (Column 1) duty rate for HTS 2930.40.00.00 is Free. This is the most-favored-nation (MFN) rate that applies to imports from World Trade Organization member countries.
What is the Column 2 (statutory) rate for HTS 2930.40.00.00?
The Column 2 rate for HTS 2930.40.00.00 is 25%. This rate applies to imports from countries that do not have normal trade relations with the United States (currently Cuba and North Korea).
Are there Section 301 or Section 232 tariffs on HTS 2930.40.00.00?
No active Chapter 99 tariff overlays (Section 301, Section 232, IEEPA reciprocal, etc.) currently flag HTS 2930.40.00.00 in Tandom's catalog. Use the calculator's date + origin inputs to confirm against any retroactive overlay you may be filing.
Does HTS 2930.40.00.00 have any antidumping or countervailing duty (AD/CVD) orders?
Yes — 3 AD/CVD orders flag this code: A-469-822 (AD, Spain), A-427-831 (AD, France), A-588-879 (AD, Japan). Open the code page for deposit rates, scope determinations, and the linked case lookups.
Learn more
Tandom guides relevant to this code
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Where trade compliance APIs fit in a broker's filing pipeline: HTS classification, duty calculation, AD/CVD scope match, and post-summary corrections.
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Find the right manufacturer or exporter rate in an AD/CVD order
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Determine if a product is in scope of an AD/CVD order
Scope text is authoritative; the HTS list is illustrative. Read scope, find past rulings, and file a 19 CFR 351.225 inquiry. Worked example on case A-570-106 (wooden cabinets from China).
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How to read, order, and report Chapter 99 HTS codes alongside the base classification on a US entry summary in 2026. The full stacking ladder for brokers and compliance teams.
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Why raw LLM prompts fabricate stat suffixes, why MCP-augmented prompts do not, and the prompt template a broker can hand to Claude or ChatGPT today.
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