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HTS 3507Enzymes; prepared enzymes not elsewhere specified or included

Product or HTS code

Rate lines4

Code	Description	General	Special	Column 2	Units	Calculate
3507.10.00.00	3507.10.00.00Rennet and concentrates thereofGeneral Free · Column 2 Free · kg	Free		Free	kg
3507.90	3507.90Other
3507.90.20.00	3507.90.20.00Pencillin G amidaseGeneral Free · Column 2 25% · kg	Free		25%	kg
3507.90.70	3507.90.70OtherGeneral Free · Column 2 25%	Free		25%
3507.90.70.10	3507.90.70.10Enzymes – proteases, amylases, lipases, cellulases, pectinases, oxidases, and catalasesGeneral Free · Column 2 25% · kg	Free		25%	kg
3507.90.70.80	3507.90.70.80OtherGeneral Free · Column 2 25% · kg	Free		25%	kg

2026 HTS Revision 21 (October 9, 2026)

Duty by country of origin

Rate line	Denmark26% of imports	Japan11.06% of imports	Germany8.16% of imports	Finland6.49% of imports	France6.08% of imports	Lithuania6.02% of imports	China5.45% of imports	Switzerland4.19% of imports	Belgium3.26% of imports	United Kingdom2.63% of imports
3507.10.00.00Rennet and concentrates thereof	10%9903.05.39	12.5%9903.05.49	10%9903.05.39	10%9903.05.39	10%9903.05.39	10%9903.05.39	37.5%9903.05.319903.88.03	12.5%9903.05.74	10%9903.05.39	10%9903.05.81
3507.90.20.00Pencillin G amidase	10%9903.05.39	12.5%9903.05.49	10%9903.05.39	10%9903.05.39	10%9903.05.39	10%9903.05.39	37.5%9903.05.319903.88.03	12.5%9903.05.74	10%9903.05.39	10%9903.05.81
3507.90.70.10Enzymes – proteases, amylases, lipases, cellulases, pectinases, oxidases, and catalases	10%9903.05.39	12.5%9903.05.49	10%9903.05.39	10%9903.05.39	10%9903.05.39	10%9903.05.39	37.5%9903.05.319903.88.03	12.5%9903.05.74	10%9903.05.39	10%9903.05.81
3507.90.70.80Other	10%9903.05.39	12.5%9903.05.49	10%9903.05.39	10%9903.05.39	10%9903.05.39	10%9903.05.39	37.5%9903.05.319903.88.03	12.5%9903.05.74	10%9903.05.39	10%9903.05.81

Total duty on a $10,000 ocean shipment entered 2026-10-13, before customs fees. Origins are the leading sources of US imports under this heading in 2025 (US Census Bureau).