Semaglutide

Price range: $32.00 through $94.00

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Size: 2mg, 5 mg ,10 mg, 15mg, 20mg and 30mg
Contents: Semaglutide

Form: Lyophilized powder
Purity: >99%

SKU: Semaglutide

Semaglutide Lyophilized Powder

Third-party tested by Janoshik. COA on file. For in-vitro and preclinical research only. Available at zenpeptideamanda.com.

≥99.36% PurityJanoshik VerifiedCOA AvailableResearch Use Only
Product Name Semaglutide
Molecular Formula C₁₈₇H₂₉₁N₄₅O₅₉ · (fatty acid chain)
Sequence His-Aib-Glu-Gly-Thr-Phe-Thr-Ser-Asp-Val-Ser-Ser-Tyr-Leu-Glu-Gly-Gln-Ala-Ala-Lys-Glu-Phe-Ile-Ala-Trp-Leu-Val-Arg-Gly-Arg
MW (approximate) ~4,113.58 Da
Purity ≥99.36% (Janoshik HPLC)
Form Lyophilized powder, sealed under nitrogen
Storage −20 °C (dry, light-protected)
Reconstituted stability 2–8 °C, use within 28 days
Testing lab Janoshik Analytical — independent third party
Intended use In-vitro / preclinical research only
Supplier ZenPeptideAmanda

What Exactly Is Semaglutide?

What class of compound is Semaglutide?
It’s a synthetic GLP-1 receptor agonist. So it mimics glucagon-like peptide-1. Researchers study its binding behavior at the GLP-1 receptor.
How is it different from native GLP-1?
The sequence has a substitution at position 2 (Ala→Aib). Also, a C18 fatty diacid chain is attached to Lys26. This extends its half-life significantly in in-vivo models. However, in your lab setting, the key property is receptor binding affinity.

Research teams studying metabolic signaling, appetite-regulating pathways, and GLP-1 receptor pharmacology often source Semaglutide as a reference compound. ZenPeptideAmanda supplies it in lyophilized form, ready for reconstitution.

Is the Semaglutide Tested by Janoshik?

Who tests it and when?
Every production batch goes to Janoshik  an independent analytical chemistry lab. First, they run HPLC. Next, they confirm purity and identity. Finally, the COA is posted for that lot.
What does the COA show?
It shows the lot number, HPLC chromatogram, purity percentage, and mass spec confirmation. Therefore, you don’t have to trust marketing claims — you read the data directly.

This matters in research. So, before ordering, check the COA on the product listing at zenpeptideamanda.com. Match the lot number on the vial to the certificate. That’s basic lab hygiene.

What Purity Should You Expect?

What is the minimum purity level?
≥99.36% by HPLC. This is the floor, not an average. However, individual lots may test higher. Check the specific COA for your batch.
Why does purity matter in research?
Impurities can confound assay results. Also, low-purity peptides may have different receptor binding behavior. So, high purity is not about marketing — it’s about reproducibility.

Research-grade means the compound is consistent batch to batch. At ZenPeptideAmanda, the Janoshik verification exists precisely to back that up with hard numbers.

How Should Semaglutide Be Stored in a Lab Setting?

What’s the correct long-term storage temperature?
Store lyophilized powder at −20 °C. Keep it dry. Keep it away from light. But do not freeze-thaw repeatedly — that degrades the peptide chain.
What about after reconstitution?
Refrigerate at 2–8 °C. Use within 28 days. Discard if the solution becomes cloudy or discolored. Also, sterile bacteriostatic water is typically used for reconstitution in most protocols.

First, check your lab’s SOP before reconstituting. Next, aliquot into working volumes to avoid repeated handling of the same vial. Finally, log the reconstitution date on the vial.

Where Can Researchers Buy Semaglutide With a Verified COA?

What makes ZenPeptideAmanda a reliable research source?
Every peptide comes with a Janoshik COA. So you’re not guessing on purity. Also, the lot number on your vial matches the published test report. However, always confirm this yourself upon receipt.
Is this the same Semaglutide used in pharmaceutical products?
No. This is research-grade material. It is not produced under pharmaceutical GMP. It is not sterile in a pharmaceutical sense. Therefore, it is not for clinical, therapeutic, or human use.

For researchers looking for a consistent, well-documented research peptide, ZenPeptideAmanda offers Semaglutide with full third-party documentation.

Semaglutide

2mg*10vials, 5mg*10vials, 10mg*10vials, 15mg*10vials, 20mg*10vials, 30mg*10vials

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