L-Serine from Germany
L-Serine is a polar amino acid in cell culture media and moisturizers. Classified HTS 2922.49.80.00 for hydroxy amino-acids with single function.
Duty Rate — Germany → United States
15%
Rate breakdown
9903.04.6211.3%Pharmaceuticals: patented pharma from JP/EU/KR/CH/LI — 15% floor rate
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
• Endotoxin testing for biotech; sterile certifications; media compatibility docs