Guaifenesin USP
Guaifenesin, or 3-(2-methoxyphenoxy)-1,2-propanediol, is a guaiacol derivative serving as an expectorant in cough medications, falling under HTS 2922.50.19.00 as an aromatic amino-compound with oxygen function. It meets 'drugs: other' criteria due to its pharmaceutical application.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If imported as formulated tablets or syrup for retail
Medicaments in dosage form move to Chapter 30, regardless of chemical structure.
If for guaiacol alcohol precursors without amino substitution
Pure ether-alcohols lacking amino function classify under heading 2909.
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Import Tips & Compliance
• Provide FDA Drug Master File (DMF) references and USP certificate for bulk API imports
• Label with exact CAS number (93-14-1) and ensure cGMP compliance documentation
• Avoid misdeclaration as finished dosage form, which shifts to Chapter 30
Related Products under HTS 2922.50.19.00
Guaiacol Carbonate
Guaiacol carbonate is a derivative of guaiacol, featuring a carbonate ester group attached to the phenolic oxygen, classifying it as an aromatic amino-compound with oxygen function under HTS 2922.50.19.00. It is used in pharmaceutical synthesis as an intermediate for expectorant drugs and cough syrups.
Guethol
Guethol, chemically 2-methoxy-4-(1-propenyl)phenol, is a guaiacol derivative used as a flavoring agent and topical antiseptic, classified under HTS 2922.50.19.00 for its aromatic structure with oxygen and phenolic functions. It qualifies as a 'drug' derivative in pharmaceutical contexts.
Veratrylguaiacol
Veratrylguaiacol is a dimeric guaiacol derivative used in organic synthesis and as a biochemical research tool, falling under HTS 2922.50.19.00 due to its aromatic amino-phenol structure with oxygen functions. It serves as an intermediate in drug development.
Guaiacol Glycerol Ether
Guaiacol glycerol ether is an ether derivative linking guaiacol to glycerol, used in expectorant formulations and classified under HTS 2922.50.19.00 as a guaiacol-based aromatic compound with oxygen function. It aligns with 'drugs: other' for medicinal intermediates.
4-Nitroguaicol Sodium
4-Nitroguaicol sodium salt is a nitro-derivative of guaiacol used in dye intermediates and pharmaceuticals, classified under HTS 2922.50.19.00 as it retains guaiacol's aromatic oxygen-amino structure. Nitro groups are included per chapter notes for such derivatives.
Guaiacyl Acetate
Guaiacyl acetate is an ester derivative of guaiacol used in fragrance and pharmaceutical synthesis, falling under HTS 2922.50.19.00 per rules for esters classified with the later-heading parent compound. Its aromatic oxygen function qualifies it as a drug intermediate.