HTS 9902.06.21
N-Butyl-2,2,6,6-tetramethylpiperidin-4-amine (CAS No. 36177-92-1) (provided for in subheading 2933.39.91)
Duty under this headingFree
ProgramOther Chapter 99 provisions
As of Revision 22 (2026), effective Oct 30, 2026Source: USITC HTS ↗