Source comparison
CJC-1295 No DAC Storage: Condition Comparison
Unreconstituted at −20°C 12–24 months Slow oxidation of methionine and tryptophan residues; aggregation from freeze-thaw cycles if improperly handled Gold standard for long-term storage. Maintains molecular stability with minimal degradation if freeze-thaw cyc
This comparison does not assign a generated winner or score.
- Unreconstituted at −20°C
- 12–24 months
- Slow oxidation of methionine and tryptophan residues; aggregation from freeze-thaw cycles if improperly handled
- Gold standard for long-term storage. Maintains molecular stability with minimal degradation if freeze-thaw cycles are avoided
- Reconstituted at 2–8°C
- 28 days maximum
- Hydrolysis at peptide bonds, oxidation of side chains, gradual loss of tertiary structure even under ideal conditions
- Standard protocol post-reconstitution. Reliable potency for four weeks, measurable degradation beyond that window
- Reconstituted at 8–15°C
- 7–14 days
- Accelerated hydrolysis and oxidation. Degradation rate doubles for every 10°C temperature increase
- Marginal viability. Potency loss of 20–40% by day 14 even if no visible contamination occurs
- Room temperature (20–25°C) post-reconstitution
- 24–48 hours
- Immediate tertiary structure unfolding, irreversible denaturation, aggregation into inactive clumps
- Complete failure within two days. Peptide becomes functionally inert and cannot be recovered by refrigeration
- Frozen post-reconstitution (−20°C)
- Not recommended
- Ice crystal formation physically shears peptide chains. Thawing does not restore activity
- Hard reject. Freezing reconstituted peptides destroys molecular integrity permanently