SPL-GLP3-RT — Retatrutide (LY3437943) Research Peptide
Research Use Only
SPL-GLP3-RT is a synthetic peptide material identified as Retatrutide (LY3437943) and supplied exclusively for laboratory research and analytical applications.
Retatrutide is an investigational 39-amino-acid unimolecular peptide designed to interact with the GIP, GLP-1, and glucagon receptors (GCGR). Its molecular architecture includes a C20 fatty-diacid modification associated with albumin binding and extended molecular persistence.
This material is provided for qualified laboratory researchers conducting controlled analytical, biochemical, receptor-binding, and preclinical research.
This product is not approved for human or veterinary use.
Product Specifications
| Specification | Details |
|---|---|
| Product Identifier | SPL-GLP3-RT |
| Research Compound | Retatrutide (LY3437943) |
| Peptide Type | Synthetic 39-amino-acid peptide |
| Receptor Targets | GIP / GLP-1 / GCGR |
| Molecular Weight | Approximately 4.7 kDa |
| CAS Number | 2381089-83-2 |
| Form | Lyophilized powder |
| Purity | ≥99% HPLC, where applicable |
| Identity | LC-MS verification, where applicable |
| Storage | Store according to product documentation/COA |
Note: Analytical specifications may vary by batch. Refer to the accompanying Certificate of Analysis for batch-specific results.
Research Applications
Retatrutide is studied in laboratory and preclinical research involving:
- GIP receptor signaling
- GLP-1 receptor signaling
- Glucagon receptor signaling
- Multi-receptor agonist pharmacology
- Peptide structure-function relationships
- Receptor-binding studies
- Signal-transduction research
- Metabolic pathway research
- Comparative peptide pharmacology
- Analytical characterization of modified peptides
Research involving these pathways should be conducted using appropriate laboratory controls and validated experimental procedures.
Analytical Characterization
Where applicable, Summit Pep Labs provides analytical documentation supporting characterization of individual batches.
Testing may include:
- HPLC purity analysis
- LC-MS molecular-mass confirmation
- Batch identification
- Analytical documentation
- Product traceability
Batch-specific analytical results should be evaluated using the accompanying Certificate of Analysis.
Research Notes
Retatrutide is an investigational compound that has been extensively studied in clinical research and preclinical scientific literature. The compound’s molecular design incorporates activity at three receptor systems: GIP, GLP-1, and glucagon.
For a detailed discussion of the molecular pharmacology, published research, clinical trials, and regulatory development of retatrutide, see our:
Ultimate Retatrutide Research Guide
That is where I’d put your deep discussion of:
- TRIUMPH
- receptor pharmacology
- body-weight findings
- hepatic fat
- glucose metabolism
- clinical trial outcomes
- comparisons with semaglutide/tirzepatide
- Lilly’s development program
- expanded access
- current regulatory status
Frequently Asked Questions
What is SPL-GLP3-RT?
SPL-GLP3-RT is Summit Pep Labs’ product identifier for research material identified as Retatrutide (LY3437943).
What receptor systems are associated with Retatrutide?
Retatrutide was designed as a unimolecular agonist involving the GIP, GLP-1, and glucagon receptor systems.
What form is the material supplied in?
The material is supplied as a lyophilized research material. Refer to the accompanying product documentation for batch-specific specifications.
Is Retatrutide FDA approved?
No. Retatrutide remains investigational and is not FDA-approved for a therapeutic indication. The FDA currently states that retatrutide cannot be used in compounding under federal law and is not an ingredient in an FDA-approved drug.
Is this product intended for human use?
No. This product is supplied strictly for laboratory research and analytical purposes and is not intended for human or veterinary administration.
Research Use Only Disclaimer
For Research Use Only.
This material is supplied exclusively for laboratory, analytical, and scientific research. It is not intended for human consumption, veterinary administration, diagnosis, treatment, cure, mitigation, or prevention of disease.
Purchasers are responsible for determining the suitability of the material for their intended lawful research applications and for complying with applicable federal, state, and local requirements.
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