Research Supplies

Consumables required to work with lyophilised peptides — principally bacteriostatic water, the preserved diluent that permits repeated withdrawals from a single vial.

The distinction between bacteriostatic water and plain sterile water is the 0.9% benzyl alcohol preservative, and it determines whether a vial can be entered more than once. Our guide covers the difference, the USP 28-day multi-dose rule, and how to choose between vial sizes.