Tirzepatide 98.7% Purity — PeptideskyCertificate of Analysis · Independent third-party lab result
This COA was extracted from a community forum attachment. The original poster claimed a lab tested sales@peptidesky.com's Tirzepatide, showing 98.73% purity via HPLC + MS and a quantity of 61.05mg (1.75% over label). However, the lab's signature is not directly verifiable, and the image has passed through at least one re-share. This test is also stale (over 2 years old).
- chain-of-custody gap
- stale (2+ years old)
- no endotoxin test
- Test date
- 2023-11-21
- Testing lab
- Unknown
- Batch / lot
- —
- Quantity
- 61.05mg
- Endotoxins
- —
- Assay method
- HPLC + MS
- Label dose
- 60mg
How this result compares
This Tirzepatide certificate's tested purity of 98.73% ranks higher than 3% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).
Tested 2023-11-21 by Unknown via HPLC + MS. This test is newer than 0% of our catalogued Tirzepatide certificates.
Peptidesky has 1 certificate in our corpus, including 1 for Tirzepatide at a median tested purity of 98.73%.
Test report image
Forum / Discord scrape
Artifact capturedWe have the certificate image (SHA-256 hash captured) — you can verify it loads from the upstream lab and matches the artifact shown here.
OCR text Raw extracted text
Extracted via OCR. Names, emails, phone numbers, and street addresses are auto-redacted before display.
{
"peptide": "Tirzepatide",
"dose": "60mg",
"purity_pct": 98.73,
"purity_label": "98.73%",
"method": "HPLC + MS",
"test_date": "2023-11-21",
"client": "[EMAIL_REDACTED]",
"notes": "",
"label_qty": "60mg",
"tested_qty": "61.05mg",
"quantity_deviation_pct": 1.75,
"is_blend": false,
"components_json": "",
"ocr_confidence": 0.95
}