RETATRUTIDE + CAGRILINTIDE
Retatrutide + Cagrilintide is a co-formulated research combination pairing Retatrutide, a 39-residue GIP/GLP-1/glucagon triple-receptor agonist peptide, with Cagrilintide, a 32-residue long-acting amylin analogue. It is supplied as a lyophilized research-grade material for laboratory use only.

Retatrutide + Cagrilintide is a co-formulated research combination pairing Retatrutide, a 39-residue GIP/GLP-1/glucagon triple-receptor agonist peptide, with Cagrilintide, a 32-residue long-acting amylin analogue. It is supplied as a lyophilized research-grade material for laboratory use only. The combination of RETATRUTIDE with CAGRILINTIDE is gaining attention in the research community. This increase in interest is due to the potential benefits of RETATRUTIDE with CAGRILINTIDE for various metabolic studies.
Molecular profile of RETATRUTIDE + CAGRILINTIDE
The combination of RETATRUTIDE with CAGRILINTIDE has shown promising results in preliminary research, indicating its efficacy in metabolic regulation. Many researchers are eager to explore the applications of RETATRUTIDE with CAGRILINTIDE in their studies.
Additionally, the long-acting nature of RETATRUTIDE with CAGRILINTIDE provides advantages over traditional peptide therapies, making it a favorable choice for ongoing research.
Benefits of RETATRUTIDE with CAGRILINTIDE
| Also known as | Reta / Cagri blend |
| CAS Number | Retatrutide: 2381089-83-2 · Cagrilintide: 1415456-99-3 |
| Molecular Formula | Retatrutide: per COA (C20-diacid conjugate) · Cagrilintide: C194H308N56O59 |
| Molecular Weight | Retatrutide: ~4731.3 · Cagrilintide: ~4006.4 |
| Amino Acid Count | Retatrutide: 39 · Cagrilintide: 32 |
| Sequence | Retatrutide: 39-residue GIP/GLP-1/glucagon triple agonist (per COA) · Cagrilintide: 32-residue long-acting amylin analogue (per COA) |
| Purity | ≥99% by HPLC · COA available |
| Physical Form | Lyophilized powder |
What is RETATRUTIDE + CAGRILINTIDE?
Retatrutide + Cagrilintide is a two-component synthetic peptide combination intended strictly for in-vitro laboratory research. Retatrutide (CAS 2381089-83-2) is classified as a unimolecular triple-receptor agonist peptide engineered to interact with the GIP, GLP-1, and glucagon receptor families. It is a 39-residue chain carrying a C20 fatty-diacid conjugation (per COA), with an approximate molecular weight of 4731.3 Da. Cagrilintide (CAS 1415456-99-3) is classified as a long-acting amylin analogue peptide; it is a 32-residue chain with the molecular formula C194H308N56O59 and an approximate molecular weight of 4006.4 Da.
The unique properties of RETATRUTIDE with CAGRILINTIDE facilitate a deeper understanding of peptide interactions and their implications in metabolic pathways.
Structurally, both peptides belong to the family of lipidated, acylated analogues in which a fatty-acid moiety is incorporated into the sequence, a design feature associated with long-acting peptide constructs. Retatrutide’s sequence is a hybrid backbone drawing on incretin and glucagon peptide motifs, while Cagrilintide is derived from the amylin peptide scaffold. Each is manufactured by solid-phase peptide synthesis and purified to a research-grade specification of ≥99% by HPLC, with a Certificate of Analysis available for lot-level verification.
Within the scientific literature, incretin/glucagon multi-receptor agonists and amylin analogues are studied together as reference tools in in-vitro metabolic-signaling and receptor-pharmacology research. This combination is offered solely as a neutral research material for such investigational contexts. No physiological, therapeutic, or performance outcome is claimed or implied, and the material is not intended for human or veterinary use, diagnosis, or treatment.
Researchers utilizing RETATRUTIDE with CAGRILINTIDE can expect enhanced results in their experiments due to the synergistic effects of these peptides.
Reconstitution & handling
For optimal results, it is crucial to handle RETATRUTIDE with CAGRILINTIDE carefully during storage and reconstitution to maintain its stability and efficacy.
Both peptides are supplied lyophilized and are typically reconstituted with a compatible aqueous solvent such as bacteriostatic or sterile water; the solvent volume is selected by the researcher to achieve the concentration required by the experimental protocol. To dissolve the powder, solvent should be directed gently against the interior wall of the vial rather than sprayed directly onto the peptide cake, and the vial swirled slowly rather than shaken, since acylated peptides of this class can be sensitive to mechanical agitation and foaming. Allow the material to hydrate and clarify undisturbed; a clear, particulate-free solution is the visual indicator of complete dissolution.
The testing protocols for RETATRUTIDE with CAGRILINTIDE ensure its identity and purity, thereby supporting its use in high-quality research.
Frequently, researchers inquire about the benefits of RETATRUTIDE with CAGRILINTIDE, highlighting its significance in the field of peptide research.
In summary, understanding the intricacies of RETATRUTIDE with CAGRILINTIDE is essential for researchers looking to maximize their findings in metabolic studies.
As lipidated peptides, Retatrutide and Cagrilintide may dissolve more readily in a mildly alkaline aqueous medium than in plain neutral water, and researchers working with these constructs sometimes use a small proportion of a compatible cosolvent to aid initial solubilization before dilution into the working buffer. Reconstitution should be performed under clean conditions to preserve analytical integrity, and prepared solutions should be handled to minimize repeated exposure to air and warming.
Storage & stability
In lyophilized form both peptides are most stable when kept sealed, desiccated, and protected from light at freezer temperatures for long-term storage, with brief periods at refrigerated or ambient temperature tolerated during shipping and handling. Once reconstituted, the solution should be kept refrigerated and used within a short working window; for extended storage of aqueous material, aliquoting and freezing is preferred to avoid repeated freeze-thaw cycles, which can degrade acylated peptide structures. Minimizing exposure to heat, light, and oxygen preserves the ≥99% purity profile documented on the Certificate of Analysis.
How it’s tested
This reference describes the compound’s chemistry and analytical properties for laboratory research use only. It is not medical advice; the product is not a drug, supplement, or cosmetic and is not for human or veterinary consumption. The growing interest in RETATRUTIDE with CAGRILINTIDE showcases its potential in scientific exploration.
Identity and purity of each component are verified analytically prior to release. Reversed-phase high-performance liquid chromatography (HPLC) is used to quantify chromatographic purity against the ≥99% specification and to resolve related peptide impurities. Mass spectrometry (MS) confirms molecular identity by matching the observed mass to the expected values for Retatrutide (~4731.3 Da) and Cagrilintide (~4006.4 Da). These results, together with lot-specific data, are documented on a Certificate of Analysis (COA) that accompanies the material and is available for third-party verification.
Frequently asked questions
What is Retatrutide + Cagrilintide?
It is a research-grade combination of two synthetic peptides: Retatrutide, a 39-residue GIP/GLP-1/glucagon triple-receptor agonist, and Cagrilintide, a 32-residue long-acting amylin analogue. It is supplied lyophilized for laboratory research use only.
What molecular data is available for each peptide?
Retatrutide: CAS 2381089-83-2, a 39-amino-acid chain with a C20-diacid conjugation (per COA) and an approximate molecular weight of 4731.3 Da. Cagrilintide: CAS 1415456-99-3, molecular formula C194H308N56O59, 32 amino acids, and an approximate molecular weight of 4006.4 Da.
How is the material reconstituted?
The lyophilized powder is dissolved in a compatible aqueous solvent such as bacteriostatic or sterile water. Add solvent gently along the vial wall, swirl slowly rather than shake, and allow the material to hydrate into a clear, particulate-free solution.
How should it be stored?
Store lyophilized material sealed, desiccated, and protected from light at freezer temperatures for the long term. Keep reconstituted solution refrigerated, aliquot for extended storage, and avoid repeated freeze-thaw cycles.
How are identity and purity verified?
Purity is measured by reversed-phase HPLC against a ≥99% specification, and molecular identity is confirmed by mass spectrometry. Lot-specific results are documented on a Certificate of Analysis (COA) available for verification.
This reference describes the compound’s chemistry and analytical properties for laboratory research use only. It is not medical advice; the product is not a drug, supplement, or cosmetic and is not for human or veterinary consumption.


