Reference Tool
Compare Compounds
Place up to three reference compounds side by side to compare their molecular profile, pharmacokinetics, and handling.
| Attribute | igf-1-lr3 | follistatin-344 | retatrutide |
|---|---|---|---|
| Field of Medicine | Endocrinology · Growth-Hormone Research | Musculoskeletal Research | Endocrinology · Metabolic Research |
| Category | gh-axis | gh-axis | incretin |
| Formula | — | — | — |
| Molecular Weight | ~9200 Da | — | ~4731 Da |
| Sequence | Long R3 IGF-1 analog | Recombinant follistatin isoform (344 aa) | 39-amino-acid triple agonist (GLP-1 / GIP / glucagon) |
| CAS Number | — | — | — |
| Half-Life | ~20–30 hours | Hours systemically in preclinical models | ~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. |