2934.99.39.00/Nicotinamide Adenine Dinucleotide (NAD+) Hydrate/Japan

Nicotinamide Adenine Dinucleotide (NAD+) Hydrate from Japan

NAD+ hydrate is critical for redox reactions and sirtuin enzyme activity studies. Classified under HTS 2934.99.39.00 as a nucleic acid derivative per additional U.S. note 3.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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Import Tips

• Test for NADH contamination (<1%) and report cycling assay activity

• Use lyophilized powder form for optimal long-term stability

• Include expiration date and reconstitution instructions