Xylose Tetraacetate from Germany
Xylose tetraacetate protects all four hydroxyls of xylose for hemicellulose fragment synthesis. HTS 2940.00.60.00 classification as chemically pure sugar ester applies to this pentose derivative. Used in biofuel precursor and xylanase substrate research.
Duty Rate — Germany → United States
15%
Rate breakdown
9903.04.629.2%Pharmaceuticals: patented pharma from JP/EU/KR/CH/LI — 15% floor rate
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Confirm pentose vs hexose via periodate oxidation test; Hygroscopic - use sealed desiccated packaging; Biofuel precursor import license may be required