Bicyclo[2.2.1]heptane-2-Carboxylic Acid
Bicyclo[2.2.1]heptane-2-carboxylic acid is a norbornane derivative used in asymmetric synthesis. HTS 2916.20.50.00 covers this complex cyclanic monocarboxylic acid as 'other'.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If epoxide functionality present on bicyclic system
Epoxides with 3-membered rings excluded from certain heterocyclic headings but classified separately.
If carboxylic acid esterified with chapter 29 alcohols
Esters classified with acid component occurring last per chapter note 4(A).
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Import Tips & Compliance
• Include stereochemistry specification in documentation; chiral acids may require additional FDA filings; verify bridgehead carbon positioning
Related Products under HTS 2916.20.50.00
Camphoric Acid
Camphoric acid is a cyclanic monocarboxylic acid derived from camphor, used in organic synthesis and as an intermediate for pharmaceuticals. It falls under HTS 2916.20.50.00 as a cyclanic monocarboxylic acid that is not specifically enumerated elsewhere in the subheading. Its saturated cyclic structure distinguishes it from unsaturated cyclic acids.
Fencholic Acid
Fencholic acid is a bicyclic monocarboxylic acid from fenchone oxidation, used in terpene chemistry research. Classified under HTS 2916.20.50.00 as 'other' cyclanic monocarboxylic acids. Its saturated cyclanic structure matches the heading precisely.
Adamantane-1-Carboxylic Acid
Adamantane-1-carboxylic acid features a diamondoid cage structure with carboxylic acid group, used in pharmaceuticals and materials science. HTS 2916.20.50.00 covers this as an 'other' cyclanic monocarboxylic acid due to its fully saturated polycyclic nature.
Norbornane Carboxylic Acid
Norbornane carboxylic acid is a bicyclic saturated acid used in polymer synthesis and fragrances. Falls under HTS 2916.20.50.00 as 'other' cyclanic monocarboxylic acids, distinct from aromatic or unsaturated types.
Cyclohexylacetic Acid
Cyclohexylacetic acid combines cyclohexane ring with acetic acid chain, used in pharmaceuticals like antibiotics. HTS 2916.20.50.00 classifies it as 'other' cyclanic monocarboxylic acid despite side chain.
Pimelic Acid
Pimelic acid (heptanedioic acid) is technically dicarboxylic but often handled as monocarboxylic equivalent in trade; used in polymers. Classified under 'other' in HTS 2916.20.50.00 for cyclic derivatives though primarily acyclic.