3-(3,5-二叔丁基-4-羟基苯基)丙酸正十八烷醇酯

Plastic additive 4 is an excipient used in biologics packaging and delivery systems. It enhances the flexibility and strength of polymer materials, ensuring that biologic products remain stable and secure during transport. The inclusion of this additive as a USP reference standard helps guarantee the long-term stability and reliability of biologics, protecting both the active pharmaceutical ingredients (APIs) and the packaging.

The United States Pharmacopeia (USP) provides quality standards for biologics to ensure their safety, efficacy, and quality throughout the manufacturing process. These standards assist manufacturers in adhering to regulatory requirements and help safeguard public health by reducing risks associated with biologics.