Levonorgestrel from China
Levonorgestrel is a synthetic progestogen used in emergency contraception and intrauterine devices. It qualifies for HTS 2937.23.50 as a chain-modified polypeptide analogue of progesterone used primarily as a hormone, consistent with Chapter 29 hormone definitions.
Duty Rate — China → 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
• Include stability data for transport (light-sensitive); use temperature-controlled shipping <25°C
• Declare exact purity percentage to avoid duty rate disputes on 'other' category