Description

β-Asp9-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. In this variant, the aspartic acid residue at position 9 is present as an L-β-aspartyl (isoaspartate) linkage. Isoaspartate formation via a succinimide intermediate is a common degradation pathway of Asp-containing peptides during synthesis, formulation, and storage. 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-beta-Asp9
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	C221H342N46O68
Molecular Weight	4731.42
Solubility	20% ACN in water
Storage Condition	-20±5°C, protect from light and moisture
Synonyms	[β-Asp9]Retatrutide; Isoaspartate (β-Asp) 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

[β-Asp9]-Retatrutide Impurity