Levobunolol Base from Canada
Levobunolol base, an aromatic amino-alcohol-phenol derivative structurally analogous to listed phenylephrine, used as beta-blocker intermediate for glaucoma treatment. Classified here under the specific enumerated compounds provision of HTS 2922.50.10.00.
Duty Rate — Canada → United States
15.8%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Include pharmacopeial compliance (USP/EP) certificates for purity >98%
• DEA monitoring for beta-blocker precursors; declare research/pharma use
• Chiral purity documentation if enantiopure form imported