Alanine for Cell Culture Media from Mexico
Cell culture grade L-Alanine is sterile-filtered amino acid for mammalian cell growth media in biotech production. Classified as pure chemically defined compound under HTS 2922.49.4910.
Duty Rate — Mexico → United States
100%
Rate breakdown
9903.04.6095.8%Pharmaceuticals Annex IV: patented pharma articles — 100% 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 and sterility certificates critical for biotech imports
• ITAR/EAR screening if destined for vaccine/antibody production
• Temperature-controlled shipping documentation required