2941.90.10.10/Streptomycin Sulfate USP/Mexico

Streptomycin Sulfate USP from Mexico

Streptomycin sulfate is a natural aminoglycoside antibiotic derived from Streptomyces griseus, used primarily to treat tuberculosis and other bacterial infections. It falls under HTS 2941.90.10.10 as a natural aminoglycoside antibiotic, being a separate chemically defined organic compound containing nitrogen functions from the amino sugar structure. This classification applies to its pure pharmaceutical grade form for medicinal use.

Duty Rate — Mexico → 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)

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Import Tips

• Verify Certificate of Analysis (CoA) confirming USP purity and natural origin from microbial fermentation to avoid reclassification as synthetic

• Include FDA Drug Master File (DMF) references and ensure compliance with 21 CFR import regulations for antibiotics

• Avoid common pitfalls like improper labeling of potency (mg/g) which can lead to customs holds