Certificate of Analysis

Semaglutide

Batch OP-2406-G · 3 mg lyophilized powder

Third-party verified

HPLC PURITY ANALYSIS · SemaglutideRP-HPLC / ESI-MS

Purity (HPLC)

98.9%

Batch

OP-2406-G

Tested

2026·06·12

Document details

Tested byColmaric Analyticals (independent)

MethodRP-HPLC / ESI-MS

Released2026·06·14

Presentation3 mg lyophilized powder

FormulaC187H291N45O59

Mol. weight4113.58 g/mol

This is the COA for the exact batch we ship. We re-test every lot and publish the result before it goes on sale — no stock photos, no borrowed certificates.

Release test panel

Test	Result	Specification	Status
Appearance	White to off-white lyophilized powder	White / off-white powder	Pass
Identity (ESI-MS)	Found 4113.5 — Conforms	Conforms to reference	Pass
Purity (RP-HPLC, UV 214 nm)	98.9%	≥ 98.0%	Pass
Single max. impurity	< 0.5%	≤ 1.0%	Pass
Water content (Karl Fischer)	4.1%	≤ 8.0%	Pass
Acetate content (IC)	6.3%	≤ 15.0%	Pass
Bacterial endotoxin (LAL)	< 5 EU/mg	< 10 EU/mg	Pass

Research use only. Not for human or veterinary use, not a drug, and not intended to diagnose, treat, cure, or prevent any disease. COA reflects the tested batch; store lyophilized peptide cold and reconstitute per the included guide.