Mistral Diagnostics
Laboratory name on certificates published by Peptide Express. Its verify page resolves five-digit report IDs, and every record we retrieved names Peptide.Express as the client. The domain was registered in March 2026, but one of those records is dated January 2026. The site gives only a Dallas ZIP code, with no street address, phone number or named staff, and describes itself as ISO/IEC 17025 compliant without naming an accrediting body. We could not establish it as an independent operating laboratory, so its certificates score as independence not established. Methods: HPLC-UV, LC-MS.
- Vendors with its COAs
- 1
Vendors with its COAs
- Peptides tested
- 12
Peptides tested
Tier D
Dallas, TX (no street address published)
Checks run
- BusinessL1 Real business: Fail
- IndependentL2 Independence: Fail
- Verify routeL3 Verification route: Pass
- MethodL4 Identity method: Partial
- Track recordL5 Track record: Fail
- AccreditedL6 Accreditation: Fail
Six published checks, the same for every laboratory. Results and evidence
Verify a Mistral Diagnostics certificate yourself
Where the code is, the lookup address, what a genuine result shows, and the control check. We confirmed 15 of 15 certificates naming Mistral Diagnostics at the laboratory, from 1 vendor.
About Mistral Diagnostics
Mistral Diagnostics is a laboratory name (Dallas, TX (no street address published)) that we could not establish as an independent operating laboratory, rated tier D in the Peptide Source Review lab directory. 2026-10-22: independence not established. The site states "ISO/IEC 17025 Compliant" but names no accrediting body or certificate; not confirmed. mistraldiagnostics.com was registered 2026-03-02, after the January 2026 report date of a record in its own lookup. Evidence: evidence-local/2026-10-22/lab-mistral-diagnostics/LAB_INDEPENDENCE. Because its independence is not established (tier D), each certificate naming it scores a flat 2.0 out of 10 and does not count toward the testing gate.
1 US peptide vendor in our audit publishes certificates naming Mistral Diagnostics, led by Peptide.Express at 3.90/10. The reports cover HPLC-UV, LC-MS.
How we graded Mistral Diagnostics
Each check is the same for every laboratory (the rules). Checked 2026-10-22.
| Result | Check | What we found |
|---|---|---|
| Fail | L1 Real business | The contact page gives only 'Dallas, TX 75247', with no street address, phone or named staff.Evidence for L1 (opens in new tab)mistraldiagnostics.comchecked |
| Fail | L2 Independence | mistraldiagnostics.com was registered 2026-03-02, after report 12821 (reported 2026-01-12) in its own lookup; every record names Peptide.Express.Evidence for L2 (opens in new tab)mistraldiagnostics.comchecked |
| Pass | L3 Verification route | On 2026-10-22 its lookup found report 12821 and returned not found for an invented ID.Evidence for L3 (opens in new tab)mistraldiagnostics.comchecked |
| Partial | L4 Identity method | Method 'HPLC-UV' on report 12821; the site also claims LC-MS.Evidence for L4 (opens in new tab)mistraldiagnostics.comchecked |
| Fail | L5 Track record | One client.Evidence for L5 (opens in new tab)mistraldiagnostics.comchecked |
| Fail | L6 Accreditation | The site states 'ISO/IEC 17025 Compliant' without naming a body or certificate; none found on the A2LA or PJLA registers.Evidence for L6 (opens in new tab)customer.a2la.orgchecked |
2026-10-22: independence not established. The site states "ISO/IEC 17025 Compliant" but names no accrediting body or certificate; not confirmed. mistraldiagnostics.com was registered 2026-03-02, after the January 2026 report date of a record in its own lookup. Evidence: evidence-local/2026-10-22/lab-mistral-diagnostics/LAB_INDEPENDENCE
Vendors publishing Mistral Diagnostics certificates
Peptides tested here
Products whose certificate on a vendor page names Mistral Diagnostics. Compare sources for each.
Similar labs
Other tier D labs in our directory.
Mistral Diagnostics: Frequently Asked Questions
Is Mistral Diagnostics accredited?
We have not confirmed ISO/IEC 17025 accreditation for Mistral Diagnostics that is active on the accrediting body's register with a scope covering peptide testing (check L6). 2026-10-22: independence not established. The site states "ISO/IEC 17025 Compliant" but names no accrediting body or certificate; not confirmed. mistraldiagnostics.com was registered 2026-03-02, after the January 2026 report date of a record in its own lookup. Evidence: evidence-local/2026-10-22/lab-mistral-diagnostics/LAB_INDEPENDENCE.
Which peptide vendors use Mistral Diagnostics?
1 vendor in our independent audit publishes certificates naming Mistral Diagnostics: Peptide.Express. The full list with scores is on this page.
What does Mistral Diagnostics test for?
Mistral Diagnostics performs HPLC-UV, LC-MS on research-peptide samples.