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Ribavirin Bulk Mixture from Mexico

Ribavirin bulk mixture is a guanosine analog antiviral for hepatitis C and RSV, blended for further processing. As a mixed, non-dosed product, it is under HTS 3003.90.0120.

Duty Rate — Mexico → United States

100%

Rate breakdown

9903.04.60100%Pharmaceuticals: 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

Comply with DEA if scheduled; though not controlled, verify

Include genotoxicity data; pitfall for chronic-use drugs

Use industrial drums for clear bulk designation