Teriparatide Impurity 2 (Teri-Met 8(O)) carries a single methionine sulfoxide at position 8, increasing polarity and modifying side-chain geometry. Researchers study its formation to understand oxidative pathways in teriparatide formulations. Conformational shifts affect helix packing and stability. Applications include oxidative-stress profiling, impurity specification, and structural-comparison studies.
CAT No: Z10-101-230
Synonyms/Alias:Teriparatide Impurity 2 (Teri-Met 8(O)); L-seryl-L-valyl-L-seryl-L-glutamyl-L-isoleucyl-L-glutaminyl-L-leucyl-L-methionyl(O)-L-histidyl-L-asparagyl-L-leucyl-glycyl-L-lysyl-L-histidyl-L-leucyl-L-asparagyl-L-seryl-L-methionyl-L-glutamyl-L-arginyl-L-valyl-L-alpha-glutamyl-L-tryptophyl-L-leucyl-L-arginyl-L-lysyl-L-lysyl-L-leucyl-L-glutaminyl-L-alpha-aspartyl-L-valyl-L-histidyl-L-asparagyl-L-phenylalanine; Met(O)8-Teriparatide; H-Ser-Val-Ser-Glu-Ile-Gln-Leu-Met(O)-His-Asn-Leu-Gly-Lys-His-Leu-Asn-Ser-Met-Glu-Arg-Val-Glu-Trp-Leu-Arg-Lys-Lys-Leu-Gln-Asp-Val-His-Asn-Phe-OH
Teriparatide Impurity 2 (Teri-Met 8(O)) is a specialized carbohydrate-related compound that emerges as a byproduct during the synthesis or degradation of teriparatide, a peptide analog of human parathyroid hormone. Characterized by its unique structural modifications, Teri-Met 8(O) provides researchers with valuable insights into the molecular stability, degradation pathways, and potential side reactions associated with peptide-based pharmaceuticals. The presence of such impurities is of significant interest in the field of analytical chemistry and pharmaceutical development, as understanding their formation and behavior can inform quality control processes and the design of more stable therapeutic agents. Teri-Met 8(O) is typically identified and quantified through advanced chromatographic and spectrometric techniques, making it an essential reference substance for method development and validation in both academic and industrial research settings.
Pharmaceutical research and development: Teriparatide Impurity 2 is extensively utilized in pharmaceutical research to study the stability and degradation pathways of teriparatide formulations. By introducing this impurity into experimental systems, scientists are able to simulate real-world storage and handling conditions, thus identifying potential vulnerabilities in drug products. This insight enables the optimization of formulation strategies, packaging materials, and storage protocols, ultimately contributing to the development of more robust peptide therapeutics. Furthermore, the detection and quantification of Teri-Met 8(O) serve as critical benchmarks in forced degradation studies, helping to establish the shelf life and safety profile of teriparatide-based medications.
Analytical method validation: Teri-Met 8(O) plays a pivotal role in the validation of analytical methods designed to detect and quantify impurities in peptide drugs. Laboratories routinely employ this compound as a reference standard to assess the sensitivity, specificity, and accuracy of chromatographic and mass spectrometric techniques. By spiking samples with known concentrations of the impurity, analysts can verify the reproducibility and reliability of their methods, ensuring that even trace amounts of degradation products are consistently identified. This application is particularly important for regulatory submissions and routine quality control, where robust analytical performance is essential for maintaining product integrity.
Peptide degradation mechanism studies: The inclusion of Teriparatide Impurity 2 in mechanistic studies allows researchers to elucidate the chemical and enzymatic processes responsible for peptide degradation. By tracking the formation and transformation of Teri-Met 8(O) under various experimental conditions, scientists can map out the specific pathways and intermediates involved in the breakdown of teriparatide. This knowledge not only advances the fundamental understanding of peptide chemistry but also informs the rational design of analogs with improved stability and efficacy.
Reference material for impurity profiling: As a well-characterized impurity, Teri-Met 8(O) serves as a critical reference material for impurity profiling in both research and industrial settings. Its defined structure and behavior enable the calibration of analytical instruments and the establishment of impurity thresholds in teriparatide products. The availability of such reference materials supports comprehensive impurity mapping, facilitating the identification of related substances and the differentiation of genuine degradation products from synthetic byproducts or contaminants. This application is instrumental in ensuring the consistency and safety of peptide pharmaceuticals throughout their lifecycle.
Comparative studies in peptide synthesis optimization: Researchers leverage Teri-Met 8(O) to conduct comparative studies aimed at optimizing peptide synthesis protocols. By monitoring the occurrence and levels of this impurity under different synthetic conditions, process chemists can identify factors that contribute to its formation, such as reagent selection, reaction time, and purification methods. This targeted approach enables the refinement of manufacturing processes, minimizing unwanted side reactions and enhancing the overall purity of the final product. Such insights are invaluable for scaling up production and meeting the stringent quality requirements of the pharmaceutical industry.
In summary, Teriparatide Impurity 2 (Teri-Met 8(O)) represents a critical tool for advancing scientific understanding and technical capabilities in peptide research and pharmaceutical development. Its applications span pharmaceutical R&D, analytical method validation, mechanistic studies of peptide degradation, impurity profiling, and synthesis optimization. By enabling detailed investigation of impurity formation and behavior, Teri-Met 8(O) supports the creation of safer, more effective peptide therapeutics and the continuous improvement of analytical and manufacturing methodologies.
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