Clobazam API Micronized
Micronized Active Pharmaceutical Ingredient (API) form of Clobazam for improved bioavailability in tablet formulations. As a pure chemically defined heterocyclic nitrogen compound (lactam), it qualifies under HTS 2933.72.00.00. Used exclusively as intermediate for epilepsy treatment medications.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If chemically modified with additional functional groups
Other purine derivatives or modified lactams may classify under different specific heterocyclic subheadings
If imported as mixture with excipients exceeding 95% purity threshold
Chemical preparations not purely chemically defined shift to Chapter 38 mixtures
If for final medicinal tablet form containing Clobazam
Completed medicaments in dosage form classify in Chapter 30 regardless of active ingredient origin
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Import Tips & Compliance
• Include particle size distribution analysis in technical documentation to justify micronized form for manufacturing use
• Pre-register with FDA Drug Master File (DMF) system before import to streamline clearance for API shipments
• Avoid retail packaging; use industrial bulk drums to prevent misclassification as finished dosage form
Related Products under HTS 2933.72.00.00
Clobazam USP Powder
Pharmaceutical grade Clobazam powder meeting USP standards, a 1,5-benzodiazepine derivative classified as a heterocyclic compound with nitrogen hetero-atom(s) only under heading 2933. It is used primarily in the synthesis of anti-epileptic medications. This specific chemical falls directly under subheading 2933.72.00.00 as named in the tariff schedule.
Methyprylon USP Reference Standard
Certified USP reference standard of Methyprylon, a piperidinedione sedative-hypnotic, provided for quality control and analytical testing in pharmaceutical labs. Falls under HTS 2933.72.00.00 as specifically named heterocyclic lactam compound. Supplied in precise milligram quantities for calibration purposes.
Clobazam Anhydrous Technical Grade
Technical grade anhydrous Clobazam for industrial pharmaceutical synthesis, containing <99% purity with manufacturing impurities. Classified as chemically defined organic compound under Chapter 29 note (a), specifically named in 2933.72.00.00. Used in bulk API production before final purification.
Clobazam Working Standard
Pharmaceutical working standard Clobazam for routine HPLC assay calibration and stability testing in quality control laboratories. Meets Chapter 29 definition of separate chemically defined compound with impurities. Specifically provided for under HTS 2933.72.00.00 nomenclature.
Methyprylon Synthesis Intermediate
High-purity methyprylon used as chemical intermediate in research synthesis of piperidinedione analogs. Qualifies under Chapter 29 as separate chemically defined heterocyclic nitrogen compound. Directly named in tariff subheading 2933.72.00.00.