MHA-Ca Calcium Salt of DL-Hydroxy Methionine Analogue
Calcium salt of DL-2-hydroxy-4-(methylthio)butyric acid, derived from the methionine hydroxy analogue, classified in 2930.90.46.00 per note 1(C)(1) for inorganic salts of organic acids. Enhances bioavailability in ruminant feeds.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If metallo-organic with direct metal-carbon links
Heading 2931 covers organo-inorganic with metals linked to carbon, excluding simple salts per Chapter notes.
If marketed as animal fertilizer blend
End-use as fertilizer shifts to Chapter 31, away from pure chemicals of Chapter 29.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Provide salt formation documentation to justify organic acid heading; FDA GRAS status verification
• Pitfall: confusing with metal coordination compounds under note 1(C)(3)
Related Products under HTS 2930.90.46.00
DL-2-Hydroxy-4-(Methylthio)butyric Acid
This is the DL-hydroxy analogue of DL-methionine, a chemically defined organo-sulfur compound with a hydroxy group replacing the amino group. It falls under HTS 2930.90.46.00 as an acid within the organo-sulfur compounds heading, used primarily as a feed additive. The product is supplied as a white crystalline powder for animal nutrition.
Alimet Feed Grade DL-Hydroxy Methionine
Commercial feed-grade DL-2-hydroxy-4-methylthiobutyric acid, the hydroxy analogue of DL-methionine, classified as an organo-sulfur acid under 2930.90.46.00. Used in poultry and swine diets to replace methionine, meeting Chapter 29 requirements for separate chemically defined compounds.
Rhodimet AT 88 Liquid DL-Hydroxy Methionine
Aqueous solution of DL-2-hydroxy-4-methylthiobutyric acid (88% concentration), the DL-hydroxy analogue of methionine, classified under 2930.90.46.00 per Chapter 29 note 1(d) for water-dissolved products. Used as a liquid methionine source in animal feed formulations.
Pure DL-HMTBA Powder USP Grade
USP-grade DL-2-Hydroxy-4-(methylthio)butanoic acid powder, the precise DL-hydroxy analogue of DL-methionine under 2930.90.46.00. Meets pharmacopeia standards for potential pharmaceutical or high-purity feed applications.
EcoMeth Hydroxy Methionine Analogue Granules
Granulated DL-hydroxy analogue of methionine with anti-caking stabilizer, classified under 2930.90.46.00 per note 1(f) for necessary preservatives. Designed for easy mixing in sustainable poultry feeds.