Verapamil Hydrochloride
Verapamil hydrochloride is the hydrochloride salt of verapamil, a calcium channel blocker used primarily for hypertension and angina treatment. As an aromatic nitrile-function compound (specifically named), it classifies under HTS 2926.90.14.00 per Chapter 29 note on salts of organic compounds. The nitrile group and aromatic structure define its placement among pharmaceutical nitriles.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | 6.5% | +25.0% | 31.5% |
| 🇲🇽Mexico | 6.5% | — | 6.5% |
| 🇨🇦Canada | 6.5% | — | 6.5% |
| 🇩🇪Germany | 6.5% | — | 6.5% |
| 🇯🇵Japan | 6.5% | — | 6.5% |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If put up in dosage form or measured doses for retail
Pharmaceutical products in measured doses or packings for retail sale shift to Chapter 30, excluding bulk APIs from Chapter 29 per exclusion note (e).
If classified by complex heterocyclic structure over nitrile function
Verapamil's primary heterocyclic pharmacophore may take precedence under 'last in numerical order' rule if nitrile is secondary function.
If imported as amine salt without dominant nitrile identification
Salts of organic bases with specific functions may classify under 2941 if amine component dominates over aromatic nitrile per Chapter notes on salts.
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Import Tips & Compliance
• Obtain FDA Drug Master File (DMF) and import via Authorized Importer; provide CoA with ICH Q3D elemental impurities testing for heavy metals
• Classify as bulk API only - finished dosage forms (tablets) go to Chapter 30; misclassification common pitfall leading to 3002.13 duties
• Declare as UN 2811 toxic substance; ensure GMP certification and stability data to prevent FDA holds at entry
Related Products under HTS 2926.90.14.00
p-Chlorobenzonitrile
p-Chlorobenzonitrile is an aromatic nitrile-function compound featuring a benzene ring substituted with both a cyano group and a chlorine atom at the para position. It falls under HTS 2926.90.14.00 as a specifically named aromatic nitrile used primarily as an intermediate in pharmaceutical and agrochemical synthesis. This chemical is a separate, chemically defined organic compound consistent with Chapter 29 note (a).
Verapamil HCl USP Grade
USP-grade Verapamil Hydrochloride meets United States Pharmacopeia standards for pharmaceutical use, containing the specified aromatic nitrile-function compound as hydrochloride salt. Classified specifically under HTS 2926.90.14.00 among named nitriles rather than general pharmaceuticals. Purity ≥99.0% with verified polymorphic form ensures tariff accuracy.
4-Chlorobenzonitrile Technical Grade
Technical grade 4-chlorobenzonitrile (synonym for p-chlorobenzonitrile) contains ≥98% active ingredient with minor impurities, used as a synthetic intermediate for herbicides like chlorimuron-ethyl. It remains classified under HTS 2926.90.14.00 as the specifically named aromatic nitrile per Chapter 29 note (a) allowing impurities. The para-chloro substitution on the benzonitrile core defines its precise tariff placement.