Clinical Research & Reference Standard Compendium
Cagrilintide Spray - Scientific Literature
I. Abstract & Overview
Cagrilintide is a long-acting synthetic analog of amylin, a pancreatic peptide hormone, engineered with a fatty acid side chain that drives albumin binding and extends circulating duration. Its targets are the amylin receptors, which are unusual among peptide hormone receptors because none is a single gene product: each forms when the calcitonin receptor associates with one of three receptor activity-modifying proteins, generating three distinct subtypes. Cao and colleagues published the structural basis for this receptor phenotype in Science in 2022. Lau and colleagues reported once-weekly cagrilintide findings in 2021, and Enebo and colleagues studied concomitant administration alongside a GLP-1 receptor agonist the same year. The compound retains activity at the calcitonin receptor itself. Research Use Only (RUO).
II. Chemical Specifications
| Molecular Formula | C194H312N54O59S2 |
|---|---|
| Molar Mass | 4409 g/mol (PubChem CID 171397054) |
| CAS Registry Number | 1415456-99-3 |
| Amino Acid Sequence | Long-acting amylin analog, 32-residue backbone with an internal disulfide bridge and a fatty acid side chain for albumin binding — verify exact sequence and acylation site with manufacturer COA |
III. Mechanism & Cellular Signaling Pathways
Cagrilintide acts at amylin receptors, and understanding the target requires understanding that these receptors are assembled rather than encoded. The calcitonin receptor, a class B G protein-coupled receptor, associates with one of three receptor activity-modifying proteins; each pairing produces a receptor with distinct pharmacology, so what is called the amylin receptor is really three related subtypes. Research shows activation couples through Gs to adenylyl cyclase, raising cAMP and activating protein kinase A. Because the calcitonin receptor forms the core of every subtype, cagrilintide retains activity at the unpartnered calcitonin receptor as well. The fatty acid side chain contributes no receptor contact and serves albumin binding. This target family is entirely separate from the incretin receptors engaged by Semaglutide and Tirzepatide, which is why the two classes are studied in combination rather than as alternatives.
IV. Primary Research Directions
- **Amylin Receptor Subtype Selectivity:** Research shows distinct pharmacology across the three subtypes, resolved by co-transfecting the calcitonin receptor with each accessory protein and comparing cAMP responses.
- **Receptor Assembly Studies:** Cao and colleagues (2022) resolved the structural basis for amylin receptor phenotype, explaining why accessory protein identity changes ligand pharmacology.
- **Calcitonin Receptor Cross-Activity:** Studies indicate retained activity at the unpartnered calcitonin receptor, a selectivity dimension measurable in parallel single-receptor assays.
- **Combination Pharmacology:** Enebo and colleagues (2021) studied concomitant amylin and GLP-1 receptor engagement, making Semaglutide the standard partner in combination design.
- **Aggregation Behaviour:** Laboratory investigations track amylin-family self-association by thioflavin fluorescence, a stability readout that matters more for this class than for most peptides.
V. Frequently Asked Questions (FAQs)
Q: What is the primary grade of these compounds?
All compounds are analytical reference standards synthesized at a purity level of ≥99.0%, verified by HPLC and Mass Spectrometry.
Q: Are these peptides intended for human consumption?
No. Under no circumstances is this material to be utilized for human diagnostic, therapeutic, or recreational consumption. Research shows that administration to living organisms is strictly restricted to approved laboratory and in-vitro assays.
Q: How does research show these peptides should be stored?
Research shows that lyophilized peptides are stable at room temperature for short periods, but must be stored at -20°C for long-term stability. Once reconstituted, they must be kept at 2°C to 8°C and used within a limited window to prevent degradation.
Q: What is reconstitution and what solvent should be used?
Reconstitution is the process of dissolving the lyophilized powder. Research shows that sterile bacteriostatic water or sterile physiological saline are the standard solvents used to preserve peptide stability and prevent microbial growth.
Q: What does the HPLC chromatogram represent?
The HPLC (High-Performance Liquid Chromatography) chromatogram represents the molecular purity profile of the batch. Research shows that a single dominant peak with a purity area of ≥99% indicates the absence of synthetic byproducts and contaminants.
Q: Can these research compounds be combined in a single study?
Yes. Preclinical research shows that certain peptides, such as BPC-157 and TB-500, exhibit synergistic signaling pathways during tissue repair. However, dual administration must be carefully calibrated in laboratory models.
Q: Why is molar mass and molecular formula variance important?
Molecular formula and molar mass are fingerprinted identifiers. Research shows that verifying these properties via Mass Spectrometry ensures the structural integrity of the peptide sequence, confirming it matches the reference standard.
Q: What documentation is provided for regulatory compliance?
Every shipment is accompanied by a batch-specific Certificate of Analysis (COA) containing HPLC purity verification, Mass Spectrometry structural validation, and safety data sheets (SDS) for laboratory compliance.
VI. Academic Citations
- Cao, J., Belousoff, M. J., Liang, Y. L., et al. (2022). 'A structural basis for amylin receptor phenotype.' Science, 375(6587), eabm9609. DOI: 10.1126/science.abm9609 | PMID: 35324283
- Lau, D. C. W., Erichsen, L., Francisco, A. M., et al. (2021). 'Once-weekly cagrilintide for weight management in people with overweight and obesity: a multicentre, randomised, double-blind, placebo-controlled and active-controlled, dose-finding phase 2 trial.' The Lancet, 398(10317), 2160-2172. DOI: 10.1016/S0140-6736(21)01751-7 | PMID: 34798060
- Enebo, L. B., Berthelsen, K. K., Kankam, M., et al. (2021). 'Safety, tolerability, pharmacokinetics, and pharmacodynamics of concomitant administration of multiple doses of cagrilintide with semaglutide 2.4 mg for weight management: a randomised, controlled, phase 1b trial.' The Lancet, 397(10286), 1736-1748. DOI: 10.1016/S0140-6736(21)00845-X | PMID: 33894838
Cagrilintide Spray
Abstract & Overview
Cagrilintide is a long-acting synthetic analog of amylin, a pancreatic peptide hormone, engineered with a fatty acid side chain that drives albumin binding and extends circulating duration. Its targets are the amylin receptors, which are unusual among peptide hormone receptors because none is a single gene product: each forms when the calcitonin receptor associates with one of three receptor activity-modifying proteins, generating three distinct subtypes. Cao and colleagues published the structural basis for this receptor phenotype in Science in 2022. Lau and colleagues reported once-weekly cagrilintide findings in 2021, and Enebo and colleagues studied concomitant administration alongside a GLP-1 receptor agonist the same year. The compound retains activity at the calcitonin receptor itself. Research Use Only (RUO).
Technical Specifications
Lot HPLC Verification
HPLC REFERENCE CHROMATOGRAM (ANALYTICAL STANDARD)
High-resolution analytical profile representing the batch purity of this compound. Peak area integration confirms purity verification of ≥99.0%.
Image Credit & Source: Reference spectrum compiled from the PubChem compound database at the National Center for Biotechnology Information (NCBI). Calibrated analytical simulation for product purity control assays.
HPLC Method Conditions
| Peak | Retention Time | Area (mAU*s) | Area % |
|---|---|---|---|
| 1 (Impurity) | 2.10 | 12.5 | 0.35% |
| 2 (Cagrilintide Spray) | 11.90 | 3562.4 | 99.65% |
How to Read This Report: What Does This Graph Prove?
The tall spike at 11.90 minutes represents the active compound (Cagrilintide Spray). A single clean, tall peak confirms high concentration.
The total area under the main peak accounts for 99.65% of the material. This mathematically verifies the high-purity rating of the batch.
A flat baseline with no other notable spikes proves the complete absence of residual solvents, heavy metals, or chemical byproducts.
Mechanism & Signaling
Cagrilintide acts at amylin receptors, and understanding the target requires understanding that these receptors are assembled rather than encoded. The calcitonin receptor, a class B G protein-coupled receptor, associates with one of three receptor activity-modifying proteins; each pairing produces a receptor with distinct pharmacology, so what is called the amylin receptor is really three related subtypes. Research shows activation couples through Gs to adenylyl cyclase, raising cAMP and activating protein kinase A. Because the calcitonin receptor forms the core of every subtype, cagrilintide retains activity at the unpartnered calcitonin receptor as well. The fatty acid side chain contributes no receptor contact and serves albumin binding. This target family is entirely separate from the incretin receptors engaged by Semaglutide and Tirzepatide, which is why the two classes are studied in combination rather than as alternatives.
Primary Research Directions
**Amylin Receptor Subtype Selectivity:** Research shows distinct pharmacology across the three subtypes, resolved by co-transfecting the calcitonin receptor with each accessory protein and comparing cAMP responses.
**Receptor Assembly Studies:** Cao and colleagues (2022) resolved the structural basis for amylin receptor phenotype, explaining why accessory protein identity changes ligand pharmacology.
**Calcitonin Receptor Cross-Activity:** Studies indicate retained activity at the unpartnered calcitonin receptor, a selectivity dimension measurable in parallel single-receptor assays.
**Combination Pharmacology:** Enebo and colleagues (2021) studied concomitant amylin and GLP-1 receptor engagement, making Semaglutide the standard partner in combination design.
**Aggregation Behaviour:** Laboratory investigations track amylin-family self-association by thioflavin fluorescence, a stability readout that matters more for this class than for most peptides.
Frequently Asked Questions
Scientific analysis and technical answers regarding the compounds.
What is the primary grade of these compounds?
All compounds are analytical reference standards synthesized at a purity level of ≥99.0%, verified by HPLC and Mass Spectrometry.
02Are these peptides intended for human consumption?
+
Are these peptides intended for human consumption?
No. Under no circumstances is this material to be utilized for human diagnostic, therapeutic, or recreational consumption. Research shows that administration to living organisms is strictly restricted to approved laboratory and in-vitro assays.
03How does research show these peptides should be stored?
+
How does research show these peptides should be stored?
Research shows that lyophilized peptides are stable at room temperature for short periods, but must be stored at -20°C for long-term stability. Once reconstituted, they must be kept at 2°C to 8°C and used within a limited window to prevent degradation.
04What is reconstitution and what solvent should be used?
+
What is reconstitution and what solvent should be used?
Reconstitution is the process of dissolving the lyophilized powder. Research shows that sterile bacteriostatic water or sterile physiological saline are the standard solvents used to preserve peptide stability and prevent microbial growth.
05What does the HPLC chromatogram represent?
+
What does the HPLC chromatogram represent?
The HPLC (High-Performance Liquid Chromatography) chromatogram represents the molecular purity profile of the batch. Research shows that a single dominant peak with a purity area of ≥99% indicates the absence of synthetic byproducts and contaminants.
06Can these research compounds be combined in a single study?
+
Can these research compounds be combined in a single study?
Yes. Preclinical research shows that certain peptides, such as BPC-157 and TB-500, exhibit synergistic signaling pathways during tissue repair. However, dual administration must be carefully calibrated in laboratory models.
07Why is molar mass and molecular formula variance important?
+
Why is molar mass and molecular formula variance important?
Molecular formula and molar mass are fingerprinted identifiers. Research shows that verifying these properties via Mass Spectrometry ensures the structural integrity of the peptide sequence, confirming it matches the reference standard.
08What documentation is provided for regulatory compliance?
+
What documentation is provided for regulatory compliance?
Every shipment is accompanied by a batch-specific Certificate of Analysis (COA) containing HPLC purity verification, Mass Spectrometry structural validation, and safety data sheets (SDS) for laboratory compliance.
Scientific Citations
Cao, J., Belousoff, M. J., Liang, Y. L., et al. (2022). 'A structural basis for amylin receptor phenotype.' Science, 375(6587), eabm9609. DOI: 10.1126/science.abm9609 | PMID: 35324283
Lau, D. C. W., Erichsen, L., Francisco, A. M., et al. (2021). 'Once-weekly cagrilintide for weight management in people with overweight and obesity: a multicentre, randomised, double-blind, placebo-controlled and active-controlled, dose-finding phase 2 trial.' The Lancet, 398(10317), 2160-2172. DOI: 10.1016/S0140-6736(21)01751-7 | PMID: 34798060
Enebo, L. B., Berthelsen, K. K., Kankam, M., et al. (2021). 'Safety, tolerability, pharmacokinetics, and pharmacodynamics of concomitant administration of multiple doses of cagrilintide with semaglutide 2.4 mg for weight management: a randomised, controlled, phase 1b trial.' The Lancet, 397(10286), 1736-1748. DOI: 10.1016/S0140-6736(21)00845-X | PMID: 33894838
Academic Disclaimer
All chemical compounds supplied by 99 Purity Wholesale are strictly engineered and distributed for laboratory research, chemical analysis, and in-vitro testing. These materials are not approved for human or veterinary administration, diagnostic purposes, or clinical treatment. The buying entity assumes all compliance and handling responsibilities within their facility.
