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Pharmaceutical Grade Acetic Anhydride from Canada

Ultra-pure acetic anhydride meeting USP standards for pharmaceutical intermediate synthesis like aspirin production. Classified in HTS 2915.24.00.00 as chemically defined acetic anhydride, prior to note 3's last-in-order rule.

Duty Rate — Canada → United States

13.5%

Rate breakdown

9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter

Import Tips

• Include FDA Drug Master File or equivalent for pharma imports

• Test for heavy metals/impurities to confirm Chapter 29 purity standards

• Separate from bulk shipments to avoid contamination cross-classification