Pharmaceutical Grade Strontium Carbonate from Mexico
GMP-certified strontium carbonate for strontium ranelate API precursor in osteoporosis drugs. Falls under HTS 2836.92.00.00 as a pure inorganic strontium carbonate, chemically defined per Chapter 28. Not organo-inorganic.
Duty Rate — Mexico → United States
4.2%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• FDA compliance requires DMF filing; provide pharmacopeia certificates (e.g
• USP)
• Pitfall: contamination risks necessitate sealed, inert packaging declarations