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Data: HTSUS Rev.21 · 2026-10-18.12PrivacyAI-generated suggestion based on HTSUS text, not legal advice. Final classification rests with CBP rulings or licensed advice; the importer of record is responsible for the entry.

Harmonized Tariff Schedule of the U.S. › Chapter 35 Albuminoidal substances; modified starches; glues; enzymes

3507.90.20.00Tariff line

Classification path

Enzymes; prepared enzymes not elsewhere specified or included
3507
Other
Pencillin G amidase
3507.90.20.00

Rates of duty

General rate (Column 1)Free
Special—
Column 225%
Unitkg

Printed page 1641

Measure flags

for origin CN, entry date 2026-10-26 · base rate Free

  • Section 301 forced-labor tariff (12.5%)9903.05.31Applies+12.5%China: Column 1 rate + 12.5% additional
  • China 301 List 3 (9903.88.03)9903.88.03Applies+25%8-digit subheading 3507.90.20 is on L3
  • PGAFDA FD2 · requiredAPHIS Core AQ1

Confirmed total 37.5% · max 37.5%Full duty breakdown →

U.S. → China →