Chromasys is an independent analytical laboratory that certifies what a compound is — and exactly how pure — by HPLC, LC-MS and Karl Fischer titration. Every batch resolves to a Certificate of Analysis you can verify by its number.
Scan the QR code on the vial label.
Each lot is confirmed only by its printed QR — there is no manual lookup. A genuine scan resolves instantly to a released batch record.

Every batch is prepared and analysed under a documented method before a certificate number is ever issued — no result is reported from estimation.
Each release resolves the compound into certified properties on their own detection channels. Below is a published example.
A release panel that answers both halves of the question a buyer actually asks — what is it, and how pure — with each property carried on its own analytical method.
Reversed-phase HPLC with UV detection quantifies main-peak purity and resolves related impurities to the tenth of a percent.
Electrospray mass spectrometry confirms molecular identity against the theoretical exact mass of the target compound.
Coulometric Karl Fischer titration measures residual water in lyophilized material — a key stability indicator.
Acetate or TFA counter-ion content and residual process solvents by ion chromatography and HPLC.
Inductively-coupled-plasma mass spectrometry screens for heavy-metal contamination down to parts per million.
LAL endotoxin testing and controlled visual inspection complete the release panel for each batch.
A certificate is only as good as the trail behind it. This is the sequence every batch runs before a number is issued.
Every sample is logged into a unique batch record with full chain-of-custody.
The sample runs through its method panel on calibrated, qualified instruments.
Results are checked against specification and approved by the QC director.
A signed Certificate of Analysis is issued under a unique batch / certificate number.
Anyone holding the vial can verify that certificate here, at any time.
A certificate is only as sound as the instruments that produce it. Our Basel facility runs a qualified analytical stack, calibrated and maintained under a documented schedule.

Main-peak purity by area % at 220 nm.
Exact-mass identity confirmation.
Residual water in lyophilised material.
Trace heavy-metal screening to ppm.
Counter-ion (acetate / TFA) content.
Endotoxin load for sterile presentations.
Every certificate is prepared, reviewed and released by trained analytical chemists at our Basel laboratory — never generated automatically.




We accept batches for identity, purity and release testing from manufacturers and distributors. Book a visit to our Basel facility or ship samples with a submission form.
Every vial carries a unique QR code. Scanning it confirms the lot against our released batch records — instantly, and only from the physical label. There is no manual certificate lookup.