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  • Semaglutide GLP-1 Receptor Agonist · Lyophilized Powder · globalpeptidesofficial.com Technical Specifications Full Name Semaglutide CAS Number 910463-68-2 Sequence His-Aib-Glu-Gly-Thr-Phe-Thr-Ser-Asp-Val-Ser-Ser-Tyr-Leu-Glu-Gly-Gln-Ala-Ala-Lys(C18diacid)-Glu-Phe-Ile-Ala-Trp-Leu-Val-Arg-Gly-Arg-NH₂ Molecular Formula C₁₈₇H₂₉₁N₄₅O₅₉ Molecular Weight 4,113.58 g/mol Purity ≥98% HPLC — Third-party verified Form Lyophilized powder Vial Size 5mg / 10mg Storage −20°C (long-term) · 4°C (short-term, up to 4 weeks) Testing Lab Janoshik Certificate of Analysis Available per batch · Downloadable PDF Research Use For laboratory and in-vitro research only What exactly is Semaglutide? Semaglutide is a synthetic GLP-1 receptor agonist. It is a 31-amino acid peptide. The structure is based on human GLP-1. However, it is modified for extended stability. The key modification is a C18 fatty diacid chain. This is attached to lysine at position 26. So the peptide binds to albumin in solution. Therefore, it has a much longer half-life than native GLP-1. First developed as a pharmaceutical compound, Semaglutide is now widely studied in research settings. It is used to probe GLP-1 receptor biology and metabolic signaling pathways. buy semaglutide peptidesemaglutide research peptide semaglutide GLP-1 agonist Is Semaglutide tested for purity? Yes. Every batch we carry is independently tested by Janoshik Laboratory. Janoshik is a well-known third-party analytical lab used across the research peptide industry. They test using HPLC and mass spectrometry. So you get confirmed identity and confirmed purity. Both are separate checks. Our Semaglutide consistently returns ≥98% purity. Also, we provide the COA for every batch. It is a downloadable PDF. You can verify the test results yourself before you order, or after. No guessing. No trust-me-bro sourcing. Janoshik Verified — HPLC + Mass Spec · COA Available Per Batch How should Semaglutide be stored? Store lyophilized Semaglutide at −20°C for long-term stability. This is the standard freezer temperature. Most lab freezers hit this range easily. But if you need short-term access, 4°C works for up to four weeks. Do not store reconstituted peptide at room temperature. Degradation accelerates quickly above 4°C once it is in solution. Also, avoid repeated freeze-thaw cycles. If you have a 10mg vial and need smaller amounts, aliquot it before freezing. Next, label each aliquot with the date. Finally, keep the stock vial sealed until needed. Light and humidity both accelerate degradation. Therefore, store in a dark, dry environment. The lyophilized form is more stable than solution. Handle it accordingly. What research is Semaglutide used for? Semaglutide is used in research to study GLP-1 receptor signaling. It is also used in studies of glucose metabolism, insulin secretion, and satiety pathways. However, this product is for laboratory and in-vitro research use only. It is not for human or veterinary use. We make no claims about therapeutic or clinical outcomes. None. Researchers study GLP-1 agonists to understand receptor binding kinetics, downstream cAMP signaling, and cross-talk with other metabolic hormones. Semaglutide is one of the most structurally characterized tools for this work. Also, its long half-life makes it useful for studies requiring sustained receptor activation. So it is commonly selected when researchers need prolonged agonism without repeated dosing in cell or tissue models.

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