What is the limit of pseudoephedrine that can be purchased in a 30-day period?

In the context of pseudoephedrine sales, the limit of 9 grams over a 30-day period aligns with federal regulations established by the Combat Methamphetamine Epidemic Act of 2005. This legislation was designed to curb the illegal production of methamphetamine, which often involves pseudoephedrine as a key ingredient.

Under these regulations, an individual cannot purchase more than 9 grams of pseudoephedrine within any 30-day timeframe. This limit is strictly enforced, requiring retail sellers to maintain records of transactions, including the amount purchased by each customer.

The other options presented either reflect lower or higher limits than what is legally permissible. Options below 9 grams do not meet the maximum allowed amount for a single individual, while amounts above 9 grams would violate federal law, making them incorrect. Understanding these limits is crucial for compliance with pharmacy practice and for preventing the misuse of medications used in the illicit synthesis of drugs.