Handbook - Pharmaceutical Excipients

At a retail price of approximately $450–$600 USD, a may seem expensive for a student or a small startup. But consider the alternative: a single failed stability batch costs over $100,000. A single FDA Form 483 observation for an unvalidated excipient interaction can delay a product launch by 12 months—a loss of millions in revenue.

Some excipients are hygroscopic (attract moisture) and will ruin a moisture-sensitive API. The Handbook provides quantitative data on moisture uptake at various humidities. Handbook Pharmaceutical Excipients