2941.50.00.00 - Erythromycin and its derivatives; salts thereof

Category 2941.50.00.00 specifically encompasses erythromycin and any compounds derived from it, as well as their respective salts. Erythromycin is a macrolide antibiotic, known for its effectiveness against a range of bacterial infections. This classification is designed to capture the pure substance and all chemically modified forms or salts that retain the core erythromycin structure and therapeutic activity.

This category is distinct from other antibiotic classifications within Chapter 29 due to its specific focus on erythromycin. For instance, it does not include penicillins (2941.10), streptomycins (2941.20), tetracyclines (2941.30.00.00), or chloramphenicol (2941.40.00.00), each of which represents a different class of antibiotic with unique chemical structures and mechanisms of action. Any antibiotic not fitting into the aforementioned specific categories would likely fall under the "Other" category (2941.90).

As a leaf node, 2941.50.00.00 does not have further subcategories. Therefore, classification within this heading relies on clearly identifying the substance as erythromycin, a derivative thereof, or a salt thereof. Practical classification will involve examining the chemical composition and nomenclature to ensure it accurately reflects the goods being imported or exported.