Cagrilintide is a long-acting incretin receptor agonist modified by C18 fatty diacylation. It has attracted significant attention in both basic research and clinical development for obesity and type 2 diabetes due to its ability to delay gastric emptying, suppress appetite, and inhibit postprandial glucagon release. Kpeptide possesses a complete set of mature processes for it and provides comprehensive quality reports for every batch. Our exceptional sales and technical support teams provide one-on-one service to customers.
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Cagrilintide COA
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| Certificate of Analysis | ||
| Compound name | Cagrilintide | |
| Grade | Pharmaceutical grade | |
| CAS No. | 1415456-99-3 | |
| Quantity | 18g | |
| Packaging standard | PE bag+Al foil bag | |
| Manufacturer | Shaanxi BLOOM TECH Co., Ltd | |
| Lot No. | 202601090056 | |
| MFG | Jan 9th 2026 | |
| EXP | Jan 8th 2029 | |
| Structure | N/A | |
| Item | Enterprise standard | Analysis result |
| Appearance | White or almost white powder | Conformed |
| Water content | ≤5.0% | 0.46% |
| Loss on drying | ≤1.0% | 0.37% |
| Heavy Metals | Pb≤0.5ppm | N.D. |
| As≤0.5ppm | N.D. | |
| Hg≤0.5ppm | N.D. | |
| Cd≤0.5ppm | N.D. | |
| Purity (HPLC) | ≥99.0% | 99.94% |
| Single impurity | <0.8% | 0.28% |
| Total microbial count | ≤750cfu/g | 90 |
| E. Coli | ≤2MPN/g | N.D. |
| Salmonella | N.D. | N.D. |
| Ethanol (by GC) | ≤5000ppm | 575ppm |
| Storage |
Lyophilized powder store at ‑20℃ |
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Cagrilintide, development code AM833, is a long-acting amylin receptor agonist modified by C18 fatty acid diacylation. It belongs to the category of metabolic health peptides and is not classified as a skincare peptide or a muscle-building peptide. Amylin is an endogenous hormone secreted synergistically with insulin by the body's pancreatic β-cells. Physiologically, it participates in three major pathways: regulation of gastric emptying, appetite suppression, and postprandial glucagon inhibition. Natural amylin has inherent defects-it is highly prone to aggregation and fibrosis and has an extremely short half-life in the body-making it unsuitable for direct development as a commercial raw material or drug molecule.
It incorporates special fatty acid side-chain modifications into a peptide backbone. By reversibly binding to albumin in the blood, it significantly extends its circulating half-life in the body, achieving the molecular design goal of once-weekly dosing.It specifically activates the AMY₁R and AMY₃R insulinopeptide receptor subtypes, mediating the transmission of satiety signals from the posterior brainstem to regulate energy intake and control postprandial blood glucose fluctuations.


Its polypeptide sequence consists of 37 amino acids, with a total conjugated molecular weight of approximately 4,409 Da. The molecule contains a pair of disulfide bonds; the structural integrity of these disulfide bonds directly determines receptor-binding activity and constitutes a key structural site of this peptide.In terms of raw material form, commercially available product is a white to off-white sterile lyophilized powder that is odorless and soluble in pure water or low-concentration acetic acid aqueous solutions; Due to the physicochemical properties of its acetylated side chains, it is prone to degradation reactions-such as oxidation, deacetylation,and peptide chain cleavage-under conditions of high pH, high temperature, or intense light exposure, thereby imposing stringent requirements on conditions throughout the entire production, storage, and transportation chain. As a source manufacturer of peptides, Kpeptide has complete mastery of the entire production process, from solid-phase synthesis, purification, and desalting to lyophilization,A complete set of quality reports is provided for each batch, covering a full range of testing parameters including HPLC purity,
mass spectrometry-confirmed molecular weight, moisture content, endotoxins, microbial limits, and related substances. Backed by a seasoned technical support team, we offer one-on-one technical consultation services to our partners, assisting them in formulation evaluation, storage planning, and the implementation of reconstitution processes, thereby reducing their R&D trial-and-error costs.

Cagrilintide is positioned as a research-grade peptide raw material for metabolic research; it has no applications related to topical skincare or muscle-building for athletes. All current applications are concentrated in the research field, and it has not yet obtained global marketing authorization as a drug. As a long-acting incretin receptor agonist modified by C18 fatty diacylation, the core value lies in providing researchers with a molecular tool capable of stably and sustainably activating the incretin signaling pathway. The incretin pathway itself still harbors numerous mechanisms that remain poorly understood in areas such as feeding regulation, glucose homeostasis, and endocrine interactions, which determines that the applications of the product are primarily focused on basic and translational research.In the field of obesity and overweight mechanism research, it is currently one of the most closely watched tool molecules in glucagon-like peptide-1 (GLP-1) pathway research. Endogenous incretins are co-secreted with insulin from pancreatic β-cells.


Under physiological conditions, they act on the Area Postrema and the Nucleus of the Solitary Tract (NTS) in the posterior region of the brainstem to mediate the central output of satiety signals, while simultaneously slowing gastric emptying and inhibiting inappropriate postprandial elevations of glucagon.Because natural incretins readily self-assemble into amyloid fibers and have a half-life of only a few minutes in vivo, they cannot be used directly in long-term intervention studies. In contrast, it reduces the tendency to aggregate through sequence optimization and extends its in vivo half-life to a level supporting once-weekly dosing by reversibly binding to albumin via its fatty acid side chain. This enables researchers to continuously and stably activate incretin receptors in animal models and even in human clinical trials, allowing them to observe the effects of long-term pathway activation on feeding behavior, body composition, and energy metabolism. As a source manufacturer of peptides, Kpeptide can provide research teams in the fields of obesity and metabolism with the API ranging from milligram-level samples to kilogram-level batches.
Each batch comes with a complete quality report; our dedicated sales team provides one-on-one support to track clients' experimental progress, while our experienced technical support team assists in evaluating reconstitution and storage protocols, helping clients minimize experimental variables caused by fluctuations in raw material quality or improper handling.
In the field of type 2 diabetes and glucose metabolism research, cagrilintide also has clear scientific value. One of the physiological functions of endogenous incretins is to act synergistically with insulin to maintain stable postprandial blood glucose levels by inhibiting postprandial glucagon release and delaying gastric emptying.These research findings will provide high-quality, evidence-based insights into the role of the incretin pathway in glucose homeostasis. It is particularly worth noting that the incidence of hypoglycemia is low when it is used as monotherapy, consistent with its mechanism of action, which does not directly stimulate insulin secretion; however, when used in combination with insulin or sulfonylurea secretagogues, the risk of hypoglycemia increases significantly.

Reference
1.Kruse T, Hansen JL, Dahl K, Schäffer L, et al. Journal of Medicinal Chemistry, 2021, 64(15): 11183-11194.
2.Lau DCW, Erichsen L, Francisco AM, Satylganova A, le Roux CW, McGowan B, Pedersen SD, Pietiläinen KH, Rubino D, Batterham RL. The Lancet, 2021, 398(10304): 915-926.
3.Fletcher MM, Keov P, Truong TT, Mennen G, Hick CA, Zhao P, Furness SGB, Kruse T, Clausen TR, Wootten D, Sexton PM. Molecular Pharmacology, 2021, 100(2): 132-145.
4.Wilding JPH, Jastreboff AM, Lingvay I, Garvey WT, Rubino D, Sbraccia P, Wadden T, Zeuthen N, et al. (REDEFINE 1 Study Group). New England Journal of Medicine, 2025, 393(7): 635-647.
5.Davies MJ, Bajaj HS, Broholm C, Eliasen A, Garvey WT, le Roux CW, Lingvay I, Lyndgaard CB, Rosenstock J, Pedersen SD (REDEFINE 2 Study Group). New England Journal of Medicine, 2025, 393(7): 648-659.
FAQ
Q1: Is the product approved for human use?
A: No. it remains in global clinical development and is not approved as a drug in any country. It is strictly limited to scientific research and pharmaceutical R&D use, and self-administration by individuals is prohibited. As a peptide manufacturer, Kpeptide only supplies qualified research institutions and industry partners, providing a full quality report for every batch, with a dedicated sales team and technical support for one-on-one compliance guidance.
Q2: How should it be stored?
A: Unopened lyophilized powder should be stored at -20°C ±5°C, sealed, protected from light and moisture, with a 24-month shelf life. After reconstitution, store at 2-8°C and use within 28 days; do not freeze, as freezing damages the disulfide bond and acylated structure.Kpeptide ships all products in amber vials under inert gas, with a standard storage SOP and one-on-one technical support to minimize material loss from improper handling.
Q3: How does the product differ from semaglutide and tirzepatide?
A: Semaglutide is a GLP-1 agonist, tirzepatide is a GLP-1/GIP dual agonist, while it is a long-acting amylin receptor agonist acting on central satiety pathways - its mechanism is complementary, not a direct substitute. The monotherapy shows less weight loss than high-dose GLP-1 drugs, but its unique amylin pathway makes it valuable for combination therapy (e.g., CagriSema) and mechanism research. Kpeptide offers one-on-one molecule selection consulting, comparative literature packages, and a full quality report per batch, helping clients match the right peptide to their research objectives.
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