2937.12.00.00/Mixed Insulin 70/30 (70% NPH/30% Regular)/Japan

Mixed Insulin 70/30 (70% NPH/30% Regular) from Japan

Biphasic mixture of intermediate and short-acting insulin components. Classifies under 2937.12.00.00 as insulin derivatives despite mixture, per chapter note on classification by last occurring heading.

Duty Rate — Japan → United States

15%

Rate breakdown

9903.04.6215%Pharmaceuticals: patented pharma from JP/EU/KR/CH/LI — 15% floor rate

9903.05.860%Universal product exemption (U.S. note 52(b))

9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)

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Import Tips

• Homogeneity testing required for biphasic mixtures; resuspension instructions

• Complex cold chain logistics for mixed formulations; separate stability profiles

• Insulin mixture classification follows principal hormone component per notes