GLP-1 analogue analysis
Identifies semaglutide, tirzepatide or retatrutide and measures purity and content.
Price per sample
VAT position to be confirmed.
- Technique
- HPLC-UV and LC-MS
- Planned turnaround
- 5 working days
- You send
- 1 sealed vial
- Test code
- GLP-ID
For vials labelled as semaglutide, tirzepatide or retatrutide.
What the report states
- 01Compound identified (semaglutide, tirzepatide or retatrutide)
- 02Purity (HPLC peak area %)
- 03Content per vial (mg)
- 04Chromatogram with peak table
Method
Technique: HPLC-UV and LC-MS
- LC-MS identifies which of the three compounds is present.
- HPLC-UV measures purity: the main peak's share of the total peak area.
- Content is measured against a reference standard, in mg per vial.
Limits of this test
- Covers semaglutide, tirzepatide and retatrutide only.
Sample requirements
1 sealed vial, as supplied
Do not open, mix or reconstitute it. Label it with your order reference.
Packing and posting: sending your sample.
Turnaround
Planned: 5 working days from receipt.
A target, not a guarantee.
Add-ons
Priority analysis
Your sample goes to the front of the queue on arrival.
£95Second vial from the same batch
The same test on a second vial, reported side by side.
£50
Example certificate
Built from test data. Not a real result.
Questions about this test
Do I need to know which compound it is?
Tell us what the label says. The certificate states the compound we identified.
Is the chromatogram included?
Yes, with the peak table from the instrument file.
Are these prices final?
Prices are set. Turnaround times are targets, not guarantees. Our VAT position is being confirmed.
More answers in help and questions.
Other tests
- Peptide purity and contentHow pure the peptide is and how much is in the vial.
- Peptide identity confirmationConfirms the vial holds the peptide on the label, by molecular mass.
- Full peptide analysisIdentity, purity and content from one vial in a single report.
- Peptide blend analysisEach peptide in a two-peptide blend identified, with purity and content for each. Larger blends on request.
Questions before you order?
Tell us what you need to know. We reply by email.