You verify a listed Melanotan II item by matching the product name and SKU, then the per-vial size and vials per pack, and only then the batch number and certificate on the COA that belongs to that lot. The compound name alone is not enough, and one published batch is not evidence of the lot allocated to a later order.
Match the SKU, vial size and pack quantity
The public Melanotan II specification names Melanotan II, with CAS number 121062-08-6, molecular formula C50H69N15O9 and molecular weight 1024.2. The documented public listed variant is SKU MT2: nominal size 10 mg per vial and 10 vials per pack. That record covers public listed variants only and is not a claim that the list is exhaustive.
Per-vial size versus pack quantity guidance treats per-vial size, vials per pack and pack price as three separate fields. A description such as "10 mg × 10 vials" means ten vials with a nominal size of 10 mg each. It is not a single vial containing 100 mg. The nominal sum across one MT2 pack is 100 mg as label arithmetic, not an analytical measurement.
The public specification documents those size and pack-quantity fields. It does not record vial material, closure type, label artwork or shipping configuration, so those details cannot be verified from the catalog facts here. Actual fill and peptide-content measurements belong to the particular batch report. The product page shows the price of one listed pack; selecting a different SKU can change pack price and available stock. If a quotation uses a different packaging description, ask support to reconcile it before relying on the calculation.
Checklist before you rely on a listing
- Match the exact product and SKU.
- Check the per-vial size and unit (listed MT2: 10 mg).
- Check the number of vials per pack (listed MT2: 10).
- Set the number of packs required.
- Review matching batch records and confirm the order details.
Find the COA by SKU and batch number
A SKU identifies a listed product variant. A batch number identifies a batch record. Use both when locating a COA, as described in how to find a COA by SKU and batch number. Open the product page, select the SKU, and read the matching certificate panel. Selecting a SKU updates the report without moving your viewing position.
Do not use a report for a different size as evidence for MT2 merely because both say Melanotan II. An older published batch is not evidence of the batch that will be shipped next. If a public result is missing, ask support for the exact SKU and batch. A missing public result is not automatically a failed test, and it is not a passed test either. If a previously shared report link is no longer available, ask support for the current documentation rather than substituting a different batch.
Read batch MWJK8SGJ8YCL only as that batch
One published COA is recorded for batch MWJK8SGJ8YCL, certificate QC-2026-Z66MMZ3ML8, SKU MT2, size 10 mg. The listed laboratory is Stand Science & Technology Pharmaceutical (Qingdao) Co., Ltd. (Stand Group). The recorded test date is 2026-06-29. These are published recorded results for this batch only. Provider verification links were not independently fetched. The record is not evidence of clinical suitability or of every batch.
Summary results
| Report type | Result value | resultPass |
|---|---|---|
| Identity | 1023.7 Da | true |
| Purity | 98.6 % | true |
| Weight | 10.79 mg | true |
| Endotoxin | <3 EU/mg | true |
Item-level tests (analyte Melanotan II MT2 on each row)
| Item | Method | Specification | Result | Determination |
|---|---|---|---|---|
| Appearance | Visual | White or almost white loose powder | White loose powder | Pass |
| Mass spectrum | MS | 1024.2 +/- 1.0 Da | 1023.7 Da | Pass |
| Purity | HPLC | NLT 98.0 % | 98.6 % | Pass |
| Peptide content | HPLC | NLT 90.0 % | 90.9 % | Pass |
| Actual fill | Gravimetric | 10 mg | 10.79 mg | Pass |
| Water content | Karl Fischer | NMT 8.0 % | 4.4 % | Pass |
| Bacterial endotoxins | LAL (gel-clot) | NMT 10 EU/mg | <3 EU/mg | Pass |
Keep HPLC purity 98.6 % and HPLC peptide content 90.9 % as separate results. Mass spectrum 1023.7 Da is recorded against a specification of 1024.2 +/- 1.0 Da; the catalog molecular weight remains 1024.2. Gravimetric actual fill 10.79 mg does not replace the nominal 10 mg catalog size. Bacterial endotoxins <3 EU/mg against NMT 10 EU/mg is not a sterility, safety, storage or dosing conclusion. Unknown results on other SKUs or batches are not zeros, passes or evidence of absence.
Verify identifiers, original values and the provider link
How to verify a CertiPeptide COA starts by matching product name, SKU and batch number. Open the original report and compare its certificate number and test date with the summary. Then use the verification link for that report. A verification page may require an account with the report provider; seeing a link alone does not prove that a report is currently valid.
- Read the product and SKU from the product page or order documentation.
- Find the batch. If the allocated batch is not stated, ask support to confirm it.
- Open the batch page and check the certificate number, sample identity, test date and listed laboratory.
- Open the original report and compare the values and units with the summary.
- Follow the report-specific verification link. If the provider requests login or the record cannot be confirmed, resolve that with the provider or support before treating verification as complete.
Do not substitute a report for a similar product or a different size. Send support the SKU, batch number and the specific difference. A screenshot of a certificate is useful for comparison, but the original document and provider record are stronger verification evidence. A published report does not mean every order receives that batch; confirm the batch allocated to the order separately.
Frequently Asked Questions
Does a published Melanotan II COA mean every order receives that batch?
No. Confirm the batch allocated to the order separately. A published batch such as MWJK8SGJ8YCL is recorded results for that batch only, not evidence of every batch.
How should 10 mg × 10 vials be read for SKU MT2?
It describes ten vials with a nominal size of 10 mg each. It is not a single vial containing 100 mg. The 100 mg pack sum is label arithmetic, not an analytical measurement.
Which identifiers should match on the published example COA?
Product Melanotan II, SKU MT2, batch MWJK8SGJ8YCL and certificate QC-2026-Z66MMZ3ML8, with recorded test date 2026-06-29.
What if a public report is missing?
Ask support for the exact SKU and batch. A missing public result is not automatically a failed test, and it is not a passed test either. Do not substitute a different batch.
What if the verification provider requires login?
Use the provider’s normal access process. Seeing a verification link alone does not prove that a report is currently valid.
Explore Further
Browse our research peptide catalog and review third-party lab reports & COAs for published batches.
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Research use only. The information above is provided for educational and laboratory research purposes only. The compounds discussed are not approved for human or veterinary use, diagnosis, treatment, or the prevention of any disease. Nothing here is medical advice.
