Piperonal USP Reference Standard

Official USP piperonal reference standard for assaying pharmaceutical intermediates, packaged in amber vials. Precise fit for HTS 2932.93.00.00 as pure chemically defined heterocyclic.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China4.8%+35.0%39.8%
🇲🇽Mexico4.8%+10.0%14.8%
🇨🇦Canada4.8%+10.0%14.8%
🇩🇪Germany4.8%+10.0%14.8%
🇯🇵Japan4.8%+10.0%14.8%

Alternative Classifications

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

3002.90Lower: 10% vs 39.8%

If certified for immunological product testing

Immunological products exclude to Chapter 30 per note 2(e).

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

Include USP certificate of analysis; temperature-controlled shipping; FDA reference standard protocols

Related Products under HTS 2932.93.00.00

Piperonal (Heliotropin) Powder

Pure piperonal, also known as heliotropin, is a heterocyclic compound with an oxygen hetero-atom in a benzodioxole ring structure, classified under HTS 2932.93.00.00 as a specific aromatic aldehyde. It appears as a white to pale yellow crystalline powder with a strong vanilla-like cherry blossom fragrance, used primarily in perfumery and flavorings.

Pharmaceutical Grade Piperonal

High-purity piperonal meeting USP/EP standards for use as an intermediate in synthesizing pharmaceuticals like antipsychotics and antidepressants. This chemically defined heterocyclic oxygen compound is specifically named under HTS 2932.93.00.00, distinguishing it from general aromatic aldehydes.

Piperonal for Flavor Manufacturing

Technical grade piperonal crystals used in food flavorings to impart heliotrope notes in bakery and confectionery products. As a separate chemically defined compound under Chapter 29 note 1(a), it fits HTS 2932.93.00.00 for heterocyclic oxygen compounds.

Perfumery Grade Heliotropin Crystals

Refined heliotropin (piperonal) crystals optimized for fine fragrance compounding, offering superior stability and scent profile. Classified under HTS 2932.93.00.00 due to its status as a named heterocyclic compound with oxygen hetero-atom only.

Piperonal 10% in DEP Solution

Piperonal diluted to 10% in diethyl phthalate (DEP) solvent strictly for safe transport of this volatile compound. Qualifies under HTS 2932.93.00.00 per Chapter note 1(e) as a normal transport solution not rendered for specific use.

Stabilized Piperonal with Antioxidant

Piperonal powder with BHT stabilizer added solely for preservation during long-term storage and transport. Remains under HTS 2932.93.00.00 per Chapter note 1(f) for added stabilizers not altering general use.