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Oxytocin Vial 2 mg Lot OXY2-001: Certificate of Analysis (COA)

Peptira · tested Dec 6, 2025 by Freedom Diagnostics · Older lot

HPLC purity
99.06%
Identity (LC-MS)
Mass identified as Oxytocin
Test date
Dec 6, 2025
This is an older lot. The most recent COA for this product is lot OXY2-003. Check the lot number printed on your vial label and open the matching page.

This page summarizes the third-party lab report for lot OXY2-001 of Oxytocin Vial 2 mg sold by Peptira. The lot number on this page should match the lot printed on the vial label. Don't rely on this summary alone: use the button to open the lab's own record and compare the lot, date and results.

Lot-matchedResults are tied to lot OXY2-001, not to the product in general.
Outside labTested by Freedom Diagnostics, not by the vendor or by us.
Checkable at the sourceSearch Code links to the lab's own record.
Original documentThe vendor's copy of the COA is shown below, unedited.

Oxytocin Vial 2 mg lot OXY2-001 test results, explained

Every result printed on this certificate, as reported by Freedom Diagnostics, with a plain-English note on what the test measures. "Pass" and "specification" wording comes from the certificate; where the lab prints no pass/fail, we say so.

TestResult on the certificateWhat it measuresThis lot
HPLC purity99.056%HPLC separates the sample into its components; purity is the share of the detected signal that sits in the main peak. On its own it doesn't show which molecule that peak is. That's what the identity test is for.No pass/fail printed; reported value at or above 98%
Identity (LC-MS)Mass identified as Oxytocin · compound named: Oxytocin · mass identification table: Oxytocin: 99.056%Mass spectrometry measures the molecular mass of what's in the vial and compares it with the declared compound. "Confirmed" means the lab found the expected compound.Reported as matching the declared compound
AppearanceWhite Lyophilized PowderWhat the lab recorded before testing: the colour and physical form of the material.Recorded

Lot and report details

Lot / batch numberOXY2-001
Product (as labeled by vendor)Oxytocin Vial 2 mg
Labeled vial size2 mg
Testing laboratoryFreedom Diagnostics
Sample received by labDec 3, 2025
Report dateDec 6, 2025
Method (as stated)HPLC with UV detection coupled with mass spectrometry (LC-MS)
Search CodePept2512030131
Lab-record checkOn Oct 7, 2026 the vendor's PDF was byte-for-byte identical to the copy hosted on the lab's site.
VendorPeptira
VerifyOpen Freedom Diagnostics's record ↗

Data notes: Lab received 12/03/2025, reported 12/6/2025 (MM/DD/YYYY).

The certificate itself

Page 1 of the certificate of analysis for Oxytocin Vial 2 mg lot OXY2-001 (Freedom Diagnostics)
Page 1 of the certificate (Peptira (vendor's copy)), saved here as an image so the page stays fast. Open the original PDF ↗ · Source ↗

About Freedom Diagnostics

A peptide testing lab in Franklin, Tennessee (per the lab's website) that publishes its certificates in a searchable online database.

Accreditation: No accreditation is printed on these certificates, and we found no published ISO/IEC 17025 accreditation for the lab (checked Oct 7, 2026).

Tests: On the certificates here: HPLC purity with LC-MS identity, net content and, where ordered, endotoxin (LAL), a microbial PCR screen and other screens.

How to verify: Search the Search Code on freedomdiagnosticstesting.com. The lab hosts its own PDF copy of each certificate, which should match the vendor's copy.

Open Freedom Diagnostics's record ↗

Lab info from: freedomdiagnosticstesting.com · checked Oct 7, 2026.

Oxytocin Vial 2 mg lot history at Peptira

All 3 certificates we have for this product from Peptira, newest first. The chart plots HPLC purity by report date (lots without a purity figure are left out). This lot is highlighted.

95%96%97%98%99%100%98%OXY2-001: 99.056% (Dec 6, 2025)OXY2-002: 99.516% (Dec 23, 2025)OXY2-003: 99.576% (Jan 1, 2026)Dec 6, 2025Jan 1, 2026
LotReport dateLabHPLC purity
OXY2-003Jan 1, 2026Freedom Diagnostics99.58%
OXY2-002Dec 23, 2025Freedom Diagnostics99.52%
OXY2-001Dec 6, 2025Freedom Diagnostics99.06%

What to check on your vial

How to check this COA in under a minute

  1. Find the lot number on your vial label and confirm it reads OXY2-001.
  2. Open Freedom Diagnostics's record with the button above, or go to freedomdiagnosticstesting.com and enter Pept2512030131.
  3. Compare the lot number, test date, purity and identity result with the table above. They should be identical.
  4. New to COAs? Read How to read a peptide COA for what HPLC purity and mass spec identity mean.

Questions about lot OXY2-001

What HPLC purity did Oxytocin Vial 2 mg lot OXY2-001 test at?

Freedom Diagnostics reported 99.06% HPLC purity for lot OXY2-001 in a report dated Dec 6, 2025.

How do I verify the COA for lot OXY2-001?

Go to freedomdiagnosticstesting.com and enter the search code Pept2512030131. The lab's own record should show lot OXY2-001 with the same dates and results as this page.

Is lot OXY2-001 the newest Oxytocin Vial 2 mg lot from Peptira?

No. The most recent Oxytocin Vial 2 mg certificate we have from Peptira is lot OXY2-003. Your vial label tells you which lot you have.

Does this certificate apply to my vial?

Only if the lot number printed on your vial reads OXY2-001 exactly. A certificate of analysis covers one lot; it says nothing about other lots of the same product.

Other lots and COAs

Oxytocin Vial 2 mg at Peptira

Lab-tested lot OXY2-001 · 99.06% HPLC purity · Freedom Diagnostics

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Affiliate disclosure: We earn a commission if you buy through the vendor links on this page, at no extra cost to you. Peptides & Coffee is an independent COA reference and is not owned by or affiliated with the vendors or labs listed. Lab results are published by the vendors and labs; we link to each lab's own verification record so you can check them yourself. Stock and lots change: the vendor may be shipping a newer lot than the one on this page, so check your vial label.