Thiosemicarbazide from Germany
Thiosemicarbazide is a thio-ureine derivative used in metal chelation and antiviral research. Covered by HTS 2924.21.50.00 as 'other' ureines and derivatives; salts thereof.
Duty Rate — Germany → United States
15%
Rate breakdown
9903.04.628.5%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
• Heavy metal chelation data for lab safety documentation
• Schedule 3 chemical if >100g quantities (DEA watch)
• FTIR spectrum confirming thiosemicarbazide tautomer