Research Grade Guaifenesin

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.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

3822.19.00Lower: 10% vs 35%

If supplied as diagnostic reagent kit component

Lab reagents in diagnostic kits classify in Chapter 38, not pure organic chemicals.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

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)