Understand the source comparison
How to Store SS-LUP-332 After Reconstitution: PPARδ/β Agonist Comparison
SS-LUP-332 2–8°C 28 days No. Ice crystals shear peptide bonds Bacteriostatic water (0.9% benzyl alcohol) Short half-life and oxidation-prone methionine residues make this the most temperature-sensitive PPARδ agonist. Strict refrigeration mandatory GW501516 (Ca
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- SS-LUP-332
- 2–8°C
- 28 days
- No. Ice crystals shear peptide bonds
- Bacteriostatic water (0.9% benzyl alcohol)
- Short half-life and oxidation-prone methionine residues make this the most temperature-sensitive PPARδ agonist. Strict refrigeration mandatory
- GW501516 (Cardarine)
- 60–90 days
- Yes. Stable in DMSO at −20°C
- DMSO or bacteriostatic water
- Longer stability window due to synthetic small-molecule structure rather than peptide backbone. Less prone to enzymatic degradation
- MK-677 (Ibutamoren)
- 90 days
- Yes. DMSO formulations stable at −20°C
- DMSO or sterile water
- Non-peptide ghrelin mimetic with superior aqueous stability. Carboline structure resists hydrolysis better than peptide bonds