Tilidine (3-(4-Methoxyphenylmethyl)aminomethyl-4-phenyl-piperidine) from China
Tilidine base is the free alkaloid form of this synthetic opioid, chemically defined as an oxygen-function amino-compound with amino-acid structure. Classified under HTS 2922.44.00.00 when imported as the pure INN compound or its immediate precursor salt forms. Primarily used in synthesis of pain medications.
Duty Rate — China → United States
112.5%
Rate breakdown
9903.04.60100%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
Import Tips
• Secure advance DEA authorization for narcotic imports and include batch-specific analytical data
• Use temperature-controlled shipping to maintain stability
• Watch for reclassification risks if purity falls below 98%