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C227H353N47O69,MW 4844.58
$595.00
Sku: BF-RTR-Double-Ile23
Availability:
AVAILABLE
In stock & estimated to ship in 3-7 days by October 14, 2026
Description
Endo-Ile23-Retatrutide Impurity is a high-purity peptide impurity of Retatrutide, supplied as a research-grade analytical material for impurity identification, analytical method development and quality-control research. This insertion impurity contains an additional isoleucine at position 23 (duplicated residue) in the Retatrutide sequence, typically resulting from double coupling during solid-phase peptide synthesis. It can serve as a qualitative marker for retention-time and mass confirmation when profiling Retatrutide samples by HPLC and LC-MS.
Specifications
| Parameter | Value |
| Product Category | Retatrutide Impurity |
| Grade | Research grade (for analytical use only) |
| Appearance | Off-white lyophilized powder |
| Catalog Number | BF-RTR-Double-Ile23 |
| Package Size | 50 mg (custom sizes available upon request) |
| Purity | ≥95% (HPLC) |
| Salt Form | Sodium salt |
| CAS Number | N/A |
| Parent Compound CAS | 2381089-83-2 (Retatrutide) |
| Molecular Formula | C227H353N47O69 |
| Molecular Weight | 4844.58 |
| Solubility | 20% ACN in water |
| Storage Condition | -20±5°C, protect from light and moisture |
| Synonyms | [Double-Ile23]Retatrutide; Insertion (double) impurity |
Applications
Impurity identification and peak tracking in HPLC and LC-MS analysis
Analytical method development and optimization
Process-related impurity research for Retatrutide peptide synthesis
Forced degradation and stability research
Retention-time and mass confirmation as a qualitative marker
Custom sizes and specifications are available upon request. Please use the Request a Quote button for pricing.
Documents
MSDS
COA
When can I expect my order to ship?
Most orders are filled and shipped within 2-3 business days from the time they are received.
Our standard shipping usually take 2-5 days.
We also provide express shippping for time-sensitive deliveries.
Email contact@biofargo.com if you have any requirements.
