Chloramphenicol Eye Ointment Base from Canada
Bulk chloramphenicol powder designated for ophthalmic ointment formulation (micronized). HTS 2941.40.00.00 as antibiotic chemical, not finished preparation. Specialized particle size for ocular comfort.
Duty Rate — Canada → United States
100%
Rate breakdown
9903.04.60100%Pharmaceuticals Annex IV: patented pharma articles — 100% floor rate
9903.05.860%Universal product exemption (U.S. note 52(b))
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Particle size distribution (D90 <10μm) certification prevents compounding failures
• Sterility not required for bulk; final formulation handles USP <71> testing
• Ophthalmic grade excludes preservatives to avoid Chapter 30 mixture classification