Methodology
Quality control
Reproducibility starts upstream of your experiment. Here’s how we engineer it into every vial we ship.
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01
Solid-phase peptide synthesis
Sequential coupling on resin with Fmoc-protected amino acids. Each coupling step is monitored and incomplete reactions are repeated before deprotection.
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02
Reverse-phase HPLC purification
Crude product is purified via prep-scale C18 reverse-phase HPLC. Fractions are collected, pooled, and re-analyzed to confirm purity above 99%.
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03
Mass spectrometry verification
Confirmed mass identity for every batch via ESI-MS. Sequence integrity is independently verified before release for packaging.
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04
Lyophilization under inert atmosphere
Aliquoted into vials under argon, then freeze-dried for long-term structural stability and dissolution consistency.
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05
Cold-chain packaging
Lyophilized vials ship in temperature-controlled, validated insulated packaging with cold-pack media calibrated for transit duration.
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06
Lot-traceable COA
Every batch is paired with a Certificate of Analysis recording purity, mass, appearance, and synthesis lot. Available on request after order.
Certificates of analysis
Every batch ships with a COA.
Each Certificate of Analysis records the lot number, synthesis date, purity by HPLC, identity by MS, appearance, and storage recommendations. Researchers can request the COA for a specific vial at any time using the lot number printed on the label.
Certificate of Analysis
- Lot number
- Printed on every vial label
- Synthesis date
- Per batch
- Purity
- By HPLC
- Identity
- By mass spectrometry
- Appearance
- Recorded at release
- Storage
- Recommendations included