Hydroxy Analog of Methionine (MHA) from Japan
2-Hydroxy-4-(methylthio)butanoic acid, known as MHA, is a liquid methionine analog functioning as a rumen-stable sulfur source for ruminant feed. Though chemically distinct, it is often associated with methionine classification under HTS 2930.40.00.00 for organo-sulfur feed compounds.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Submit stability data and equivalence studies to CBP; use UN-approved drums for liquid transport; common issue: viscosity changes in transit affecting assay results