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3,3-Dimethylglutaric Acid from China

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 — China → United States

16.5%

Rate breakdown

9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China

Import Tips

Provide synthetic route disclosure for pharma customers

Chiral center requires optical rotation specification

Stability data essential due to beta-branching