HTS 9902.02.71
(3E)-4-Ethoxy-1,1,1-trifluorobut-3-en-2-one (CAS No. 59938-06-6) (provided for in subheading 2914.79.90)
Duty under this headingFree
ProgramOther Chapter 99 provisions
As of Revision 22 (2026), effective Oct 30, 2026Source: USITC HTS ↗