Promethazine Hydrochloride from China
Promethazine hydrochloride is a phenothiazine derivative used primarily as an antihistamine, antiemetic, and sedative drug. It contains a phenothiazine ring-system and falls under HTS 2934.30.27.00 as a chemically defined other drug of this class, distinct from antipsychotics like those in 2934.30.22.
Duty Rate — China → United States
19%
Rate breakdown
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Verify FDA drug registration and provide Certificate of Analysis confirming chemical purity as per Chapter 29 notes for chemically defined compounds
• Include detailed pharmacological documentation to distinguish from antipsychotic phenothiazines under 2934.30.22
• Avoid misclassification as finished dosage forms which fall under Chapter 30