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L-Histidine from Germany

L-Histidine is an essential amino acid featuring imidazole ring, classified as oxygen-function amino-acid under HTS 2922.49.4950. Used in allergy medications, metal chelation, and buffering agents.

Duty Rate — Germany → United States

10%

Rate breakdown

9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%

Import Tips

Imidazole ring purity testing prevents heterocyclic misclassification

USP/NF monograph compliance for pharmaceutical intermediates

Moisture content <0.5% specification stability