Quinuclidin-3-yl Benzilate USP Reference Standard
USP-grade 3-quinuclidinyl benzilate used as a reference standard in pharmaceutical quality control, classified under HTS 2933.39.61.10 due to its specific chemical structure with pyridine hetero-atom. Meets chapter 29 requirements for chemically defined organic compounds.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If external pyrrole ring present
Different nitrogen heterocyclic structure changes subheading classification.
If put up in retail consumer packaging
Mixtures or preparations for laboratory use in consumer packs shift to chapter 38.
If personal effects import by researcher
Small quantities for personal scientific use may qualify for duty-free entry under heading 98.
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Import Tips & Compliance
• Provide USP certificate and intended use declaration for analytical reference; maintain cold chain if stability requires refrigeration; avoid bulk quantities exceeding research needs to prevent diversion concerns
Related Products under HTS 2933.39.61.10
3-Quinuclidinyl Benzilate Powder
Pure 3-quinuclidinyl benzilate (QNB) is a synthetic heterocyclic compound containing a pyridine ring structure, classified under HTS 2933.39.61.10 as a specific product described in additional U.S. note 3 to section VI. It is a muscarinic antagonist used primarily in chemical and pharmaceutical research.
3-Quinuclidinyl Benzilate Research Grade Crystals
High-purity crystalline form of 3-quinuclidinyl benzilate, a nitrogen-heterocyclic compound with an unfused pyridine ring, precisely matching HTS 2933.39.61.10. Supplied for scientific research as a separate chemically defined organic compound without impurities affecting classification.
3-Quinuclidinyl Benzilate Analytical Reagent
Analytical-grade 3-quinuclidinyl benzilate (QNB) for chromatography and spectroscopy standards, specifically enumerated under HTS 2933.39.61.10. This heterocyclic pyridine compound qualifies as a separate chemically defined organic compound per chapter notes.
BZ Chemical (3-Quinuclidinyl Benzilate) Lab Grade
Laboratory-grade BZ (military designation for 3-quinuclidinyl benzilate), a pyridine-containing heterocyclic compound explicitly listed in HTS 2933.39.61.10. Used in toxicological and pharmacological studies as a pure chemical entity.