3,3-Dimethylglutaric Acid from Germany
3,3-Dimethylglutaric acid, a geminally substituted dicarboxylic acid for pharmaceutical synthesis. Classified under HTS 2917.19.70.50 as acyclic polycarboxylic acid 'other'. Specific substitution pattern but remains acyclic per definition.
Duty Rate — Germany → United States
15%
Rate breakdown
9903.04.6211%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
• Provide synthetic route disclosure for pharma customers
• Chiral center requires optical rotation specification
• Stability data essential due to beta-branching