Meprobamate
Meprobamate, an aromatic dicarbamate ureine derivative, functions as an anxiolytic and sedative drug. HTS 2924.21.20.00 applies due to its inclusion in additional U.S. note 3 to section VI for specific cyclic amide compounds. This pure chemical import is distinguished from formulated medicaments.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If when imported as quaternary ammonium salt form
Certain amine derivatives shift to heading 2933 based on nitrogen function classification
If for human blood or vaccine-related applications
Immunological products containing organic compounds move to chapter 30 per exclusions
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Import Tips & Compliance
• Cross-reference exact CAS number against note 3 to prevent misclassification disputes
• Use temperature-controlled shipping to maintain stability, with documentation proving compliance
• Avoid co-mingling with other APIs in shipment to prevent mixture reclassification
Related Products under HTS 2924.21.20.00
Diamfenetide
Diamfenetide is an aromatic ureine derivative used as an anthelmintic drug for treating liver fluke infections in animals. It falls under HTS 2924.21.20.00 as an aromatic ureine derivative listed in additional U.S. note 3 to section VI for specific regulated organic compounds. This classification applies to its chemically defined structure with carboxyamide-function in cyclic form.
Urea Stibamine
Urea stibamine is a pentavalent antimony compound derived from urea, used historically as an aromatic ureine derivative for treating leishmaniasis. It is classified under HTS 2924.21.20.00 due to its listing in additional U.S. note 3 to section VI as a specific regulated amide-function compound. The aromatic cyclic amide structure determines its placement in this heading.
Phenprobamate
Phenprobamate is an aromatic cyclic carbamate (ureine derivative) used as a muscle relaxant and anxiolytic medication. Classified under HTS 2924.21.20.00 as it matches products in additional U.S. note 3 to section VI for regulated cyclic amides. Its carboxyamide-function carbonic acid structure fits the heading's chemical definition.
Carisoprodol
Carisoprodol is a synthetic aromatic ureine derivative serving as a centrally acting muscle relaxant. It falls under HTS 2924.21.20.00 per additional U.S. note 3 to section VI listing specific regulated amide compounds. The classification reflects its pure chemical form as a cyclic carbamate of carbonic acid.
Ethinamate
Ethinamate is an aromatic ureine derivative used as a short-acting sedative-hypnotic. It qualifies for HTS 2924.21.20.00 as a product specified in additional U.S. note 3 to section VI. The heading covers its cyclic carbamate structure in pure chemical form.
Bemegride
Bemegride is an aromatic ureine derivative acting as a respiratory stimulant and barbiturate antagonist. Classified in HTS 2924.21.20.00 per additional U.S. note 3 to section VI for listed cyclic amide compounds. Its pure chemical import fits the carboxamide-function definition.