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2932.20.50.50/D-Erythronolactone/Canada

D-Erythronolactone from Canada

D-Erythronolactone is a four-carbon sugar lactone with five-membered oxygen ring, under HTS 2932.20.50.50. Used in carbohydrate chemistry and as chiral building block.

Duty Rate — Canada → United States

13.7%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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Import Tips

• Optical rotation specification confirms D-isomer vs L-isomer classification

• Research chemical exemption may apply; include institutional end-user certificates

• HPLC purity certificate prevents mixture classification issues

D-Erythronolactone from Canada — Import Duty Rate | HTS 2932.20.50.50