PEG-MGF 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.
- Test date and testing laboratory. Every CoA field explained.
Request the PEG-MGF CoA. Emailed within 2 hours. No figures are invented on this page; the certificate itself is the source.
PEG-MGF sizes covered
| Vial | Price | Per mg | Stock | Lowest other UK listing (16 Oct 2026) |
|---|---|---|---|---|
| PEG-MGF 2 mg | £18.76 | £9.38 | In stock | £19.99 (4 compared) |
| PEG-MGF 5 mg | £25.99 | £5.20 | In stock | £32.00 (1 compared) |
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 PEG-MGF from Sable Peptides come with a CoA?
- Yes. A Certificate of Analysis is available for every PEG-MGF lot and is emailed within 2 hours of a request at https://www.sablepeptides.co.uk/coa-request.
- What does a PEG-MGF 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 PEG-MGF 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 PEG-MGF for human use?
- No. It is sold for laboratory research use only. It is not a medicine and not for human or veterinary use.