</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Pyridine-3-carboxylic Acid (Nicotinic Acid) (CAS 59-67-6) from Germany

Nicotinic acid, or vitamin B3, is a pyridine derivative with a carboxylic acid at position 3, essential for human nutrition and pharmaceutical use. The pyridine ring structure dictates classification under this heading per Chapter 29 notes on acid functions. HTS 2933.31.00.00 applies to this pyridine compound.

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

FDA prior notice required for food supplement use

USP grade requires certificate of analysis for pharmacopeia compliance

Avoid bulk packaging over 25kg to prevent mixture classification