Reference Tool
Compare Compounds
Place up to three reference compounds side by side to compare their molecular profile, pharmacokinetics, and handling.
| Attribute | pt-141-bremelanotide | melanotan-ii | retatrutide |
|---|---|---|---|
| Field of Medicine | Sexual-Health Research | Dermatology · Pigmentation Research | Endocrinology · Metabolic Research |
| Category | sexual-health | cosmetic | incretin |
| Formula | C50H68N14O10 | C50H69N15O9 | — |
| Molecular Weight | 1025.18 Da | 1024.18 Da | ~4731 Da |
| Sequence | — | — | 39-amino-acid triple agonist (GLP-1 / GIP / glucagon) |
| CAS Number | 189691-06-3 | 121062-08-6 | — |
| Half-Life | ~2 hours | ~1 hour | ~6 days |
| Route (research) | Subcutaneous in research | — | Subcutaneous in research models |
| Onset / Steady-state | — | — | — |
| Lyophilized Storage | −20°C long term; 2–8°C short term (weeks). Protect from light. | −20°C long term; 2–8°C short term (weeks). Protect from light. | −20°C long term; 2–8°C short term (weeks). Protect from light. |
| Reconstituted Storage | 2–8°C, generally up to 14–28 days depending on compound. | 2–8°C, generally up to 14–28 days depending on compound. | 2–8°C, generally up to 14–28 days depending on compound. |