This is from the package insert for my TevTropin:
STABILITY AND STORAGE
Before Reconstitution – Vials of TEV-TROPIN® are stable when refrigerated at 36° to 46°F (2° to 8°C). Expiration dates are stated on the labels.
After Reconstitution – Vials of TEV-TROPIN® are stable for up to 14 days when reconstituted with bacteriostatic 0.9% sodium chloride (normal saline), USP, and stored in a refrigerator at 36° to 46°F (2° to 8°C). Do not freeze the reconstituted solution.