Semaglutide × Coastal Peptides — Lab Test, October 2025
Chromate publishes a public verification portal. Any test attributed to this lab can be looked up and confirmed directly with the lab — so this result doesn't rest on our review alone. Click 'Verify' (top right), then enter Job Number + Access Code from the COA
This certificate carries no lookup code.
Test results
This is a purity and identity analysis. Sterility, endotoxins, and heavy metals were not screened — a high purity figure says nothing about those.
About this test
Label 4.99 mg · Lab measured 5.091 mg
102% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 1.3 mg using the measured mass, against 1.2 mg on the label — 2% more.
One vial from this lot was weighed by the laboratory, not yours. This page reports what the certificate says; it does not recommend a dose.
Independent HPLC purity analysis of Semaglutide from Coastal Peptides, performed by Chromate on October 1, 2025. Reported purity: 99.281%. Net content: 5.091 mg against 4.99 mg labeled (102% of label). Batch GLP1-S-5-001. Sample source: shop-provided. Certificate of analysis attached.
Certificate of analysis
Other lots of Semaglutide from Coastal Peptides
| Lot | Tested | Lab | Purity | vs label | Status |
|---|---|---|---|---|---|
| GLP1-S-5-200 | 17 Feb 2026 | Chromate | 98.044% | 106% | Unverified |
| GLP1-S-10-001 | 17 Feb 2026 | Chromate | 99.843% | 107% | Unverified |
Batches this shop has published a certificate for, newest first. A lot whose printed value cannot identify a batch is not listed.
Have you tested this peptide?
Submit your third-party lab test to help the community verify purity claims. Every report is reviewed before publication.
Community discussion