New

Ask Wove anything about tariffs.

Try Tariff Assistant

Riboflavin 5'-Phosphate Sodium

The phosphorylated derivative of Riboflavin (Vitamin B2), used primarily as a vitamin in pharmaceutical injections and eye drops. Classified under HTS 2936.23.00.00 as a Vitamin B2 derivative meeting chapter requirements for chemically defined organic compounds used as vitamins. Essential for medical applications requiring water-soluble form.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+100.0%100%
🇲🇽MexicoFree+100.0%100%
🇨🇦CanadaFree+100.0%100%
🇩🇪GermanyFree+15.0%15%
🇯🇵JapanFree+15.0%15%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

2934.99.90.01Higher: 112.5% vs 100%

If classified primarily by phosphate function

Certain nucleotide-like derivatives might fall under heterocyclic compounds, but vitamin primary use keeps it in 2936.

3003.31.00.00Same rate: 100%

If in bulk medicaments for retail sale

Medicinal formulations containing bulk vitamin derivatives shift to Chapter 30 headings.

3824.99Lower: 17.5% vs 100%

If in chemical preparations with additives

Mixtures exceeding simple solvent/stabilizer allowances per Chapter 29 note (e) move to Chapter 38.

Not sure which classification is right?

The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.

Import Tips & Compliance

• Provide stability data and salt content verification for customs; obtain prior FDA notice for pharmaceutical imports; avoid pitfalls by confirming it's not pre-formulated into Chapter 30 medicaments

Related Products under HTS 2936.23.00.00

Riboflavin USP Powder

Pharmaceutical-grade Riboflavin (Vitamin B2) powder meeting USP standards, used primarily as a vitamin supplement in tablets and capsules. This chemically defined organic compound falls under HTS 2936.23.00.00 as unmixed Vitamin B2 for nutritional and therapeutic applications. It is synthesized for high purity in human dietary supplements.

Flavin Mononucleotide (FMN)

FMN, a coenzyme derivative of Riboflavin used primarily as Vitamin B2 in biochemical and nutritional applications. This product qualifies under HTS 2936.23.00.00 as a chemically defined Vitamin B2 derivative for vitamin use, not excluded by Chapter 29 notes on inorganic salts or mixtures.

Riboflavin Butyrate

An ester derivative of Riboflavin designed for enhanced bioavailability in vitamin supplements. Falls under HTS 2936.23.00.00 as a Vitamin B2 derivative used primarily as a vitamin, classified with the parent vitamin per Chapter 29 ester rules.

Synthetic Riboflavin 98% Feed Grade

High-purity synthetic Riboflavin produced for animal nutrition, classified as unmixed Vitamin B2 under HTS 2936.23.00.00. Meets chapter requirements for reproduced-by-synthesis vitamins used primarily as such, suitable for livestock feed fortification.

Riboflavin Tetrabutyrate

Lipophilic ester derivative of Riboflavin for specialized vitamin delivery systems. HTS 2936.23.00.00 applies as a derivative used primarily as Vitamin B2, following Chapter 29 rules for ester classification with parent compound.

Pharma Grade Riboflavin Granules

Granulated Riboflavin USP for direct compression in tablet manufacturing, remains unmixed Vitamin B2 under HTS 2936.23.00.00. Physical form does not affect chemical classification as a provitamin/vitamin per chapter scope.