Reference Tool
Compare Compounds
Place up to three reference compounds side by side to compare their molecular profile, pharmacokinetics, and handling.
| Attribute | tb-500-thymosin-beta-4 | bpc-157 | retatrutide |
|---|---|---|---|
| Field of Medicine | Regenerative & Musculoskeletal Research | Regenerative & Musculoskeletal Research | Endocrinology · Metabolic Research |
| Category | regenerative | regenerative | incretin |
| Formula | C212H350N56O78S | C62H98N16O22 | — |
| Molecular Weight | 4963.4 Da | 1419.5 Da | ~4731 Da |
| Sequence | 43-amino-acid actin-binding peptide (Thymosin β4 fragment) | GEPPPGKPADDAGLV (15 amino acids) | 39-amino-acid triple agonist (GLP-1 / GIP / glucagon) |
| CAS Number | 77591-33-4 | 137525-51-0 | — |
| Half-Life | ~2–3 hours systemically | Short systemic half-life; local tissue activity reported in preclinical work | ~6 days |
| Route (research) | Subcutaneous / IM in research | Subcutaneous, intraperitoneal, or oral in research models | 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. |