Goserelin EP Impurity H is a related peptide species found in goserelin preparations. Slight sequence or protecting-group variations produce altered chromatographic behavior and secondary-structure shifts. Researchers use it to validate impurity specifications. Applications include QC profiling, synthetic-route evaluation, and peptide-stability research.
CAT No: Z10-101-235
Synonyms/Alias:[1-(5-Oxo-D-proline)]goserelin; (R)-N-((6S,9S,12R,15S,18S,21S,24S)-21-((1H-indol-3-yl)methyl)-1-amino-12-(tert-butoxymethyl)-6-((S)-2-(2-carbamoylhydrazinecarbonyl)pyrrolidine-1-carbonyl)-15-(4-hydroxybenzyl)-18-(hydroxymethyl)-25-(1H-imidazol-4-yl)-1-imino-9-isobutyl-8,11,14,17,20,23-hexaoxo-2,7,10,13,16,19,22-heptaazapentacosan-24-yl)-5-oxopyrrolidine-2-carboxamide
Goserelin EP Impurity H is a specialized peptide impurity associated with the synthesis and quality assessment of goserelin, a well-characterized synthetic decapeptide analog of luteinizing hormone-releasing hormone (LHRH). As a structurally defined peptide impurity, it plays a critical role in analytical and process development contexts, particularly within the scope of peptide drug manufacturing and regulatory compliance for research and industrial applications. The precise identification and characterization of such impurities are essential for ensuring the integrity and reproducibility of peptide synthesis, as well as for advancing analytical methodologies in the broader field of peptide science.
Analytical method development: Goserelin-related impurities, including Impurity H, are frequently used as reference standards during the development and validation of analytical techniques such as high-performance liquid chromatography (HPLC) and mass spectrometry (MS). Their inclusion enables accurate quantification and reliable separation of target peptides from structurally similar byproducts, supporting the establishment of robust quality control protocols. The availability of well-characterized impurities is indispensable for assessing method specificity, sensitivity, and reproducibility in peptide analysis.
Peptide synthesis optimization: The presence of specific impurities like Goserelin EP Impurity H provides valuable insight into the synthetic pathways and side reactions encountered during solid-phase peptide synthesis or solution-phase assembly. By monitoring the occurrence and concentration of these byproducts, researchers can refine reaction conditions, improve coupling efficiencies, and minimize undesired modifications. This leads to enhanced yield and purity of the target peptide, facilitating more efficient process development and scale-up for research or industrial production.
Regulatory compliance and impurity profiling: In the context of pharmaceutical research and development, comprehensive impurity profiling is a regulatory expectation for peptide-based products. The use of authentic impurity standards such as Impurity H supports the establishment of impurity identification and quantification protocols, contributing to detailed product characterization. Accurate impurity profiling ensures that peptide preparations meet stringent quality criteria, which is vital for advancing development pipelines and supporting regulatory submissions in research environments.
Peptide degradation and stability studies: Understanding the degradation pathways of peptide therapeutics and research compounds requires access to known impurities and degradation products. Goserelin EP Impurity H serves as a critical marker in forced degradation and stability-indicating studies, allowing scientists to track the formation of specific byproducts under various stress conditions. These investigations inform formulation strategies, storage guidelines, and shelf-life assessments, ultimately supporting the development of more stable peptide products.
Structural elucidation and mechanistic research: The availability of structurally defined peptide impurities enables detailed mechanistic investigations into peptide fragmentation, side-chain reactions, and sequence-specific vulnerabilities. By studying Impurity H alongside the parent peptide, researchers can elucidate the chemical and physical factors that govern impurity formation, contributing to a deeper understanding of peptide chemistry. Such insights are instrumental in designing more robust synthetic strategies and in the rational development of next-generation peptide analogs for research use.
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