General rule of thumb

Typical Shelf Life Reference

Product StateStorage ConditionTypical Shelf LifeRecommendation

Lyophilized Peptide

(Before Reconstitution)

Lyophilized Peptide

(Before Reconstitution)

Refrigerator (2°C – 8°C / 36°F – 46°F)12 – 24 months✓ Preferred

Freezer (-20°C / -4°F or below)12 – 36 months✓ Acceptable

Room Temp (15°C – 25°C / 59°F – 77°F)2 – 4 weeksShort-Term Only

Reconstituted Peptide

(In BAC Water)

Reconstituted Peptide

(In BAC Water)

Refrigerator (2°C – 8°C / 36°F – 46°F)28 – 40 days✓ Preferred

Room Temp (15°C – 25°C / 59°F – 77°F)24 hours maxShort-Term Only

Freezer (-20°C / -4°F or below)Not Recommended✕ Not Recommended

*Shelf life estimates are general guidance based on standard handling. Always refer to specific product guidance where available. Keep vials protected from light, avoid repeated freeze/thaw cycles, and never freeze reconstituted peptides. For research use only.