HTS 2933.39.61.40 is the U.S. Harmonized Tariff Schedule classification for N-phenyl-4-piperidinamine (4-AP), tert-butyl 4-(phenylamino)piperidine-1-carboxylate (tert-butyl 4-anilinopiperidine-1-carboxylate, 1-boc-4-AP), norfentanyl (N-phenyl-N-(4-piperidyl)propionamide), piperidin-4-one (4-piperidone) and tert-butyl 4-oxopiperidine-1-carboxylate (1-boc-4-piperidone); salts thereof. 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. No Chapter 99 tariff modifications (Section 301, Section 232, IEEPA) or AD/CVD orders currently flag this code in Tandom's catalog.
HTS 2933.39.61.40 is the U.S. Harmonized Tariff Schedule classification for N-phenyl-4-piperidinamine (4-AP), tert-butyl 4-(phenylamino)piperidine-1-carboxylate (tert-butyl 4-anilinopiperidine-1-carboxylate, 1-boc-4-AP), norfentanyl (N-phenyl-N-(4-piperidyl)propionamide), piperidin-4-one (4-piperidone) and tert-butyl 4-oxopiperidine-1-carboxylate (1-boc-4-piperidone); salts thereof. It belongs to Chapter 29 of the HTSUS.
What is the general duty rate for HTS 2933.39.61.40?
The general (Column 1) duty rate for HTS 2933.39.61.40 is 6.5% . This is the most-favored-nation (MFN) rate that applies to imports from World Trade Organization member countries.
Are there preferential or trade-program rates for HTS 2933.39.61.40?
Yes. Imports of HTS 2933.39.61.40 from countries party to a trade program (such as USMCA, KORUS, GSP, or the African Growth and Opportunity Act) may qualify for the special rate: Free (A+,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG). Eligibility depends on rules of origin and certification.
What is the Column 2 (statutory) rate for HTS 2933.39.61.40?
The Column 2 rate for HTS 2933.39.61.40 is 15.4¢/kg + 52%. 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 2933.39.61.40?
No active Chapter 99 tariff overlays (Section 301, Section 232, IEEPA reciprocal, etc.) currently flag HTS 2933.39.61.40 in Tandom's catalog. Use the calculator's date + origin inputs to confirm against any retroactive overlay you may be filing.
Does HTS 2933.39.61.40 have any antidumping or countervailing duty (AD/CVD) orders?
No active AD/CVD orders currently flag HTS 2933.39.61.40 in Tandom's catalog. Tandom monitors Federal Register notices daily; a flag will appear here within 24h of any new order's publication.
Trade programs(16)
Free Trade Agreement and special-program eligibility