R3 vs Cagrilintide
A side-by-side research comparison — classification, molecular weight, mechanism, and how each is verified. For laboratory research use only.
01At a Glance
| R3 | Cagrilintide | |
|---|---|---|
| Classification | Metabolic | Metabolic |
| Molecular weight | 4,731.32 g/mol | 3,748.2 g/mol |
| Also known as | LY3437943 | AM833 |
| Purity spec | ≥99% HPLC | ≥99% HPLC |
| Verification | MZ Biolabs · 5-panel | MZ Biolabs · 5-panel |
| Use | Research Use Only | Research Use Only |
02How They Differ
R3
A triple GIP / GLP-1 / glucagon receptor agonist studied for multi-incretin metabolic signaling.
R3 is a synthetic triple agonist targeting the GIP, GLP-1, and glucagon receptors simultaneously. Research models investigate the combined contribution of all three pathways to glucose regulation, lipid metabolism, and energy expenditure.
Cagrilintide
A long-acting amylin analog studied for amylin-receptor signaling and satiety-pathway research.
Cagrilintide is a long-acting synthetic analog of the hormone amylin, studied for agonism at the amylin and calcitonin receptor family. Research models examine its role in satiety signaling, gastric-emptying, and energy-balance pathways.
Research framing only · No human-use claims
03Selecting for a Research Model
Because R3 and Cagrilintide are both metabolic research compounds, they are frequently evaluated against one another. Selection depends entirely on the research question, model system, and endpoints being measured. Both compounds are supplied strictly for in-vitro and laboratory research and are not for human or veterinary use.
Whichever you select, every Ethos Bio lot is verified the same way — a five-point independent panel with a batch-specific Certificate of Analysis. See how we test →
04FAQ
What is the difference between R3 and Cagrilintide?
R3 is a metabolic research compound — A triple GIP / GLP-1 / glucagon receptor agonist studied for multi-incretin metabolic signaling. Cagrilintide is also studied within the metabolic area — A long-acting amylin analog studied for amylin-receptor signaling and satiety-pathway research. They differ in molecular weight (R3: 4,731.32 g/mol; Cagrilintide: 3,748.2 g/mol) and primary mechanism. Both are supplied for laboratory research use only.
What are the molecular weights of R3 and Cagrilintide?
R3 has a molecular weight of 4,731.32 g/mol. Cagrilintide has a molecular weight of 3,748.2 g/mol.
Are R3 and Cagrilintide in the same research class?
Yes — both R3 and Cagrilintide are categorized as Metabolic research compounds, which is why they are often compared.
How are R3 and Cagrilintide tested?
Both are analyzed by an independent third-party laboratory (MZ Biolabs, Arizona) on a five-point panel — HPLC purity, mass-spectrometry identity, endotoxin, heavy metals, and sterility — with a batch-specific Certificate of Analysis provided per lot.