HS code 293492: Nucleic Acids and Their Salts
- Covers:
- Nucleic acids and their salts, whether or not chemically defined; other heterocyclic… not listed under the other codes in this heading.
- Not covered:
- 293410 (Compounds containing an unfused thiazole ring…); 293420 (Compounds containing in the structure a…); 293430 (Compounds containing in the structure a…); and others.
- Listed US duty:
- 6.5% (US general rate, HTS 2026)
Official description
Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds : Other : Other fentanyls and their derivatives
Find or check your HS code
Suggestions from the HS index, not a customs ruling
Describe what you ship: what it is, what it is made of, how it is processed and what it is used for. I narrow it down against the real HS hierarchy, or check a code you were given.
What 293492 covers and what it doesn’t
Official text: Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds › Other › Other fentanyls and their derivatives.
This is the “other” line of heading 2934 (nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds). It takes goods of that heading that no more specific subheading names. These go elsewhere:
- 293410 Compounds containing an unfused thiazole ring (whether or not hydrogenated) in the structure
- 293420 Compounds containing in the structure a benzothiazole ring-system (whether or not hydrogenated), not further fused
- 293430 Compounds containing in the structure a phenothiazine ring-system (whether or not hydrogenated), not further fused
- 293491 Aminorex (INN), brotizolam (INN), clotiazepam (INN), cloxazolam (INN), dextromoramide (INN), haloxazolam (INN), ketazolam (INN), mesocarb (INN), oxazolam (INN), pemoline (INN), phendimetrazine (INN), phenmetrazine (INN) and sufentanil (INN); salts thereof
- 293499 Other
Nearby codes to check
- Heading 2934 Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds: every subheading side by side.
US duty rate
6.5%
General (MFN) rate in the US Harmonized Tariff Schedule, 2026 edition. A range means the rate depends on the 8-digit US line your product falls under. Extra duties such as Section 301, Section 232 or anti-dumping orders can apply on top, depending on origin. Check the lines on hts.usitc.gov. Not legal advice.
Common questions
- What is HS code 293492?
- Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds : Other : Other fentanyls and their derivatives
- What duty rates apply to 293492?
- Listed duty rates range from 6.5% across 1 country rate.
Browse all of Chapter 29: Organic chemicals →
Go beyond the code
Find the companies shipping under 293492 in the company directory, or classify and check duty with the CLI.