HTS 9902.02.66
4,4-Dimethoxy-2-butanone (CAS No. 5436-21-5) (provided for in subheading 2914.50.50)
Duty under this headingFree
ProgramOther Chapter 99 provisions
As of Revision 22 (2026), effective Oct 30, 2026Source: USITC HTS ↗
Chapters › 9902.02.66
HTS 9902.02.66