Brassicasterol Reference Standard from Mexico
Brassicasterol, an algal and rapeseed sterol, is categorized under 2906.13.5000 as 'other' sterols within cyclic alcohols. This pure reference material satisfies Chapter 29's chemically defined compound requirements. Essential for marine oil authenticity testing and supplement quality control.
Duty Rate — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Include traceability to NIST or PhEur standard; declare for laboratory use only; maintain cold chain documentation if required