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Tetra-O-Acetyl-D-Ribose from Germany

Tetra-O-acetyl-D-ribose is a protected ribose sugar ester used in nucleoside analog synthesis for antiviral drugs. Classified HTS 2940.00.60.00 as chemically pure sugar ester not covered by headings 2937-2939. The four acetate groups protect hydroxyls during selective chemical manipulation.

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

Specify anomeric mixture ratio (alpha/beta) in CoA; DEA watch list for nucleoside precursors - ensure end-use statement; Store below 0°C to maintain anomeric integrity during transit