PurityHPLC
Separates the peptide from synthesis by-products and measures what share of the sample is the target compound.
≥ 99.0%Purity alone does not tell you what is in the vial. Our release panel checks the molecule, the amount and what should not be there, at an independent lab, on every lot.
Separates the peptide from synthesis by-products and measures what share of the sample is the target compound.
≥ 99.0%Confirms the molecule in the vial is the molecule on the label, by its measured molecular weight.
± 1.0 Da of theoreticalMeasures how much peptide is actually in the vial, so 10 mg on the label means 10 mg in the glass.
≥ labelled mgScreens for bacterial endotoxin, the most common contaminant in synthesised material.
≤ 0.5 EU/mg
Incubates the sample to confirm no microbial growth before the lot is released.
No growthScreens for lead, arsenic, cadmium and mercury carried over from reagents or equipment.
≤ 10 ppm totalMeasures residual water in the lyophilised cake, which governs how stable the material stays in storage.
≤ 8.0%02From synthesis to your bench
Each compound is synthesised and lyophilised as a numbered lot.
Vials are pulled at random from the finished lot and sealed for the lab.
The lab runs all seven tests. Any result outside its limit rejects the lot.
Passed lots ship, and the certificate goes live in the COA library under the lot number.
03Proof
Certificates marked SAMPLE show the published format. Each real lot certificate, with its PDF, appears here before that lot ships.
99.62%
99.41%
99.78%
99.35%
99.28%
99.10%
99.36%
99.53%
99.42%
99.87%
99.29%
99.47%
99.29%
99.83%
99.84%
99.47%
99.64%
99.88%
99.80%
99.16%
99.72%
99.24%
99.19%
99.14%
99.27%
99.58%
99.43%
99.31%
99.85%
99.17%
99.61%
99.69%
99.36%
99.64%
99.23%
99.77%
99.60%
99.78%
99.20%
99.80%
99.71%
99.15%
99.62%
99.77%
99.46%
99.71%
99.49%
99.40%
99.16%
99.68%
99.64%
99.28%
99.90%
99.52%
99.74%
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