Mixed Insulin 70/30 (70% NPH/30% Regular) from Mexico
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 — Mexico → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
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