Which of the following is an example of a List 2 chemical?

Acetic anhydride is categorized as a List 2 chemical, which includes substances that are important for the manufacturing of controlled substances. These chemicals can be precursors in the synthesis of drugs that have potential for abuse. Specifically, acetic anhydride is commonly used in the illicit manufacturing of substances like heroin from morphine, demonstrating its significance in the context of controlled substances.

Understanding the classification of chemicals, particularly in the context of their potential for abuse or use in the synthesis of other drugs, is crucial for pharmacy practice and regulatory compliance. Recognizing acetic anhydride's role helps professionals in the field stay informed about the substances that require strict regulatory control to mitigate the risk of diversion and abuse.