2934.99.90.01 - Other 🖩

This HTS subheading, 2934.99.90.01, serves as a residual category for "Other" heterocyclic compounds not specifically enumerated in preceding subheadings. It encompasses a broad spectrum of organic chemical compounds characterized by at least one heterocyclic ring structure, where the ring contains atoms of at least two different elements. These compounds may be utilized in a wide array of industrial applications, including pharmaceuticals, agrochemicals, dyes, and specialized polymers. The classification here is applied when a heterocyclic compound does not fall under the more specific entries within heading 2934.

This particular subheading is distinguished from its sibling, 2934.99.70.00, by the absence of specific chemical names. While 2934.99.70.00 enumerates morpholinoethyl chloride hydrochloride, 2-methyl-2,5-dioxo-1-oxa-2-phospholan, and (6R-trans)-7-amino-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]-oct-2-ene-2-carboxylic acid, the "Other" classification here is for all other heterocyclic compounds that are not explicitly listed. Therefore, importers must carefully consult chemical nomenclature and ensure their product is not specifically identified elsewhere before assigning it to this residual category.

As a leaf node, this subheading has no further subcategories. Classification within 2934.99.90.01 is determined by a process of elimination, meaning a chemical will be classified here if it meets the general definition of a heterocyclic compound within heading 2934 and is not specifically provided for in any other subheading under 2934. Practical classification relies on precise chemical identification and a thorough review of the HTS nomenclature to ensure no more specific provision applies.