2937.21.00.10 - Cortisone

This HTS classification pertains to Cortisone, a steroid hormone. It falls under the broader category of steroidal hormones, their derivatives, and structural analogues, all of which are utilized primarily for their hormonal functions. Cortisone is a naturally occurring steroid produced by the adrenal glands, but this classification also encompasses synthetic cortisone manufactured for therapeutic purposes.

While closely related to other steroidal hormones, Cortisone is specifically distinguished from its sibling categories by its unique chemical structure and pharmacological properties. For instance, it differs from Hydrocortisone (2937.21.00.20), Prednisone (2937.21.00.30), and Prednisolone (2937.21.00.40) in its molecular configuration and metabolic pathway within the body. These distinctions are crucial for accurate customs declarations and adherence to import/export regulations.

As this is a leaf node within the HTS, there are no further subcategories under Cortisone. Therefore, classification at this level focuses on identifying the specific substance as Cortisone, distinct from other closely related steroidal compounds. The classification hinges on the precise chemical identity of the imported or exported product, ensuring it aligns with the defined scope of Cortisone under this HTS code.