Lidocaine Free Base Research Grade
High-purity (>99.5%) lidocaine base for pharmaceutical research and analytical standards. Classified under HTS 2924.29.57.00 as chemically defined aromatic cyclic amide drug meeting Chapter 29 purity criteria. Used as reference standard in HPLC method validation.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If certified as analytical standard with matrix additives
Certified reference materials with formulation additives classified as lab reagents.
If personal research samples <$800 value
Personal effects exemption applies to small research quantities avoiding duty.
If non-aromatic isomer or derivative
Non-aromatic amide compounds classified under later numerical heading per chapter note.
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Import Tips & Compliance
• Include NIST-traceable certificate of analysis with assigned purity value for research chemical exemption
• Declare quantities <1kg with end-use statement for laboratory research to avoid bulk drug scrutiny
• Segregate research-grade from GMP production shipments; different documentation and inspection requirements
Related Products under HTS 2924.29.57.00
Lidocaine Hydrochloride USP
Pharmaceutical grade lidocaine hydrochloride, the salt form of diethylaminoacetoxylidide, used as a local anesthetic in medical procedures. Classified under HTS 2924.29.57.00 as an aromatic cyclic amide-function compound specifically identified as the drug lidocaine. Meets chapter 29 requirements for chemically defined organic compounds used primarily in pharmaceutical applications.
Lidocaine Base Powder EP/BP
European Pharmacopoeia grade pure lidocaine base (diethylaminoacetoxylidide) used in compounding pharmacies for custom anesthetic formulations. Falls under HTS 2924.29.57.00 as the specific aromatic cyclic amide drug, chemically defined per Chapter 29 note (a). Supplied as white crystalline powder for API manufacturing.
Pharmaceutical Lidocaine HCL Monohydrate
Lidocaine hydrochloride monohydrate USP/EP grade, containing one water molecule per API unit, used in sustained-release formulations. Specific HTS 2924.29.57.00 classification for this aromatic amide salt per Chapter 29 note on organic salts. White crystalline powder soluble in water for aqueous injections.
Sterile Lidocaine HCl for Dental Cartridges
Preservative-free sterile lidocaine HCl 2% solution API for prefilled dental anesthetic cartridges. HTS 2924.29.57.00 covers the pure drug substance before final cartridge filling. Meets USP <71> sterility requirements for dental applications.
Lidocaine Patch Active Pharmaceutical Ingredient
Micronized lidocaine base specifically processed for transdermal patch matrix (particle size D90<10μm). Classified HTS 2924.29.57.00 as pure aromatic amide API before patch assembly. Meets skin permeation pharmacopeial requirements.
Lidocaine API for Injection Grade
Sterile-grade lidocaine API specifically manufactured for parenteral (injectable) pharmaceutical products like dental anesthetics. HTS 2924.29.57.00 classification applies to this chemically defined aromatic amide-function drug per chapter notes. Pyrogen-free with strict microbial limits for IV compatibility.