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Citramalic Acid

Citramalic acid (2-hydroxy-2-methylbutanedioic acid) qualifies under 2918.19.90.00 with its alpha-hydroxy functionality. Used in metabolic pathway research.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China4%+25.0%29%
🇲🇽Mexico4%4%
🇨🇦Canada4%4%
🇩🇪Germany4%4%
🇯🇵Japan4%4%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

2918.19.20.00Lower: 24% vs 29%

If classified as specific tartaric acid derivative

More specific subheadings take precedence.

3824.99Lower: 15% vs 29%

If buffer solutions

Aqueous preparations exceed pure compound criteria.

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 NMR/GC-MS spectra confirming structure and purity

Document academic vs commercial research applications

Check salt vs free acid form declarations