PE-22-28: common questions
What is PE-22-28 supplied as?
PE-22-28 is supplied as a lyophilized (freeze-dried) powder in a vacuum-sealed vial, in 5 mg and 10 mg, for in-vitro laboratory research use only.
Is PE-22-28 available as a 10-vial kit?
Yes. PE-22-28 comes in a 10-vial kit: 5 mg for $130.50 ($13.05 per vial); 10 mg for $207.00 ($20.70 per vial), presale prices. A kit is ten sealed vials of the same size, priced below ten single vials.
When do PE-22-28 presale kits ship?
By Oct 24, 2026. Presale kits are 10% off. If we cannot ship by Oct 24, 2026, we tell you before that date and you can cancel for a full refund.
How should PE-22-28 be stored?
Frozen at −4 °F and protected from light, from the day it arrives. Let the vial reach room temperature before breaking the seal; once reconstituted, stability holds for about four weeks refrigerated at 39 °F.
How fast does PE-22-28 ship?
Presale kits ship from the United States by Oct 24, 2026, to the United States and Canada. Once stock is in, orders placed before 2 PM PT on a business day ship the same day.
Is PE-22-28 for human use?
No. It is supplied as a reference reagent for laboratory research use. Not for human or veterinary use, and not for diagnostic or therapeutic application.