Ergosterol Analytical Standard
Ergosterol, a fungal sterol and vitamin D2 precursor, is classified under 2906.13.5000 as 'other' sterols and inositols within cyclic alcohols. This chemically defined compound meets Chapter 29 specifications for pure organic sterols. Used as analytical standard in food and pharmaceutical testing.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| šØš³China | 3.7% | +35.0% | 38.7% |
| š²š½Mexico | 3.7% | +10.0% | 13.7% |
| šØš¦Canada | 3.7% | +10.0% | 13.7% |
| š©šŖGermany | 3.7% | +10.0% | 13.7% |
| šÆšµJapan | 3.7% | +10.0% | 13.7% |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If when imported as provitamin D2
Ergosterol specifically as vitamin D precursor classifies under vitamin-specific headings
If packaged as chromatography standard
Diagnostic or testing standards classify as lab reagents rather than pure compounds
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
ā¢ Include ISO 17034 accreditation certificate; declare quantity and concentration precisely; ensure tamper-evident packaging for reference material integrity
Related Products under HTS 2906.13.50.00
Cholesterol USP Powder
Cholesterol is a sterol alcohol essential for cell membrane structure, classified under HTS 2906.13.5000 as a cyclanic cyclic alcohol within the sterols category. This USP-grade powder is used in pharmaceutical formulations and biochemical research. It meets chapter 29 requirements for separate chemically defined organic compounds.
Beta-Sitosterol Pharmaceutical Grade
Beta-sitosterol, a plant sterol alcohol, is used in cholesterol-lowering supplements and prostate health formulations, classified as 'other' sterols under 2906.13.5000. This cyclic alcohol derivative fits Chapter 29's criteria for chemically defined organic compounds. It's sourced from plant oils and meets pharmaceutical purity standards.
Lanosterol Crystal Form
Lanosterol is a tetracyclic triterpenoid sterol serving as a cholesterol biosynthesis intermediate, classified under HTS 2906.13.5000 as an 'other' cyclanic cyclic alcohol. This pure compound qualifies under Chapter 29 for separate chemically defined sterols. Used primarily in biochemical research and skincare formulations.
Meso-Inositol Powder USP
Meso-inositol (myo-inositol), a cyclic polyol sugar alcohol, falls under HTS 2906.13.5000 as 'other' inositols among cyclanic cyclic alcohols. This essential vitamin-like compound is chemically defined per Chapter 29 notes. Widely used in nutritional supplements for cellular signaling support.
Campesterol Refined Crystals
Campesterol, a phytosterol from vegetable oils, is classified as an 'other' sterol under 2906.13.5000 within cyclic alcohol derivatives. This pure cyclic alcohol meets Chapter 29 purity standards for separate organic compounds. Applied in functional foods and cholesterol management products.
Stigmasterol High Purity
Stigmasterol, a plant sterol with unsaturated side chain, classifies under HTS 2906.13.5000 as 'other' cyclanic cyclic alcohols and sterols. This chemically defined compound adheres to Chapter 29 specifications. Utilized in phytosterol esters and skincare active ingredients.