Fermentation-Produced Chymosin Concentrate

High-purity liquid concentrate of chymosin produced via genetically engineered yeast fermentation. Classified as rennet concentrate under HTS 3507.10.00.00 when specifically for milk coagulation. Standard in large-scale cheese manufacturing.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

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

3507.90Lower: 10% vs 35%

If used for non-dairy protein hydrolysis

End-use as general protease moves it out of rennet-specific heading 3507.10.

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

Include genetic sequence confirmation and substantial equivalence data for FDA review

Monitor for anti-GMO labeling requirements in target markets post-import

Test for residual fermentation byproducts that could affect purity classification