Tirzepatide certificate of analysis (CoA)
What the certificate covers
- Lot number, matching the number printed on the vial.
- Purity by HPLC, with the chromatogram. How to read an HPLC chromatogram.
- Identity by mass spectrometry against the expected mass (CAS 2023788-19-2).
- Test date and testing laboratory. Every CoA field explained.
Request the Tirzepatide CoA. Emailed within 2 hours. No figures are invented on this page; the certificate itself is the source.
Tirzepatide sizes covered
| Vial | Price | Per mg | Stock | Lowest other UK listing (16 Oct 2026) |
|---|---|---|---|---|
| Tirzepatide 5 mg | £24.93 | £4.99 | In stock | £24.95 (1 compared) |
| Tirzepatide 10 mg | £44.98 | £4.50 | In stock | No same-size comparison |
| Tirzepatide 15 mg | £38.98 | £2.60 | In stock | No same-size comparison |
| Tirzepatide 20 mg | £40.39 | £2.02 | In stock | No same-size comparison |
| Tirzepatide 30 mg | £61.98 | £2.07 | In stock | No same-size comparison |
| Tirzepatide 40 mg | £86.98 | £2.17 | In stock | No same-size comparison |
| Tirzepatide 60 mg | £119.98 | £2.00 | In stock | No same-size comparison |
Delivery, CoA and payment
- Packed the same day in Birmingham; next-day UK delivery is the stated service.
- UK mainland tracked delivery £5.90, free when goods reach £50. Highlands and islands (AB, IV, KW, HS, ZE, PH) £9.50, free when goods reach £50. UK addresses only.
- A Certificate of Analysis (HPLC purity and mass spectrometry identity) for every lot, emailed within 2 hours of a request. Each vial carries a printed lot number.
- Lowest UK price guaranteed for the same compound and mg size, checked daily against established UK suppliers.
- Pay by Bank via Wallid. No returns, except faulty or damaged items, which are refunded or replaced.
- Research use only. Not a medicine. Not for human or veterinary use.
Questions
- Does Tirzepatide from Sable Peptides come with a CoA?
- Yes. A Certificate of Analysis is available for every Tirzepatide lot and is emailed within 2 hours of a request at https://www.sablepeptides.co.uk/coa-request.
- What does a Tirzepatide certificate of analysis show?
- The lot number, the HPLC purity result with its chromatogram, the mass spectrometry identity check against the expected mass, the test date and the testing laboratory.
- How do I match a CoA to my Tirzepatide vial?
- Read the lot number printed on the vial label and check that the certificate carries the same lot number. Include it, or your order number, when you request the CoA.
- Can I see the certificate before I order?
- Yes. Email hello@sablepeptides.co.uk or use https://www.sablepeptides.co.uk/coa-request and name the compound and size; the current lot's certificate is sent within 2 hours.
- Is Tirzepatide for human use?
- No. It is sold for laboratory research use only. It is not a medicine and not for human or veterinary use.
Related
Every Sable page on Tirzepatide, in one place: Tirzepatide research hub.