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Research Grade Guaifenesin from Mexico

Laboratory reagent guaifenesin (≥98% purity) for pharmaceutical R&D and analytical standards. Qualifies under Chapter 29 as pure chemically defined ether-alcohol. Not for human therapeutic use.

Duty Rate — Mexico → United States

10%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico

Import Tips

Label as 'For Research Use Only - Not for Drug Use' to avoid FDA drug scrutiny

Small package exemption may apply for <1kg research quantities

Include SDS with GHS hazard classification (non-hazardous)