Retatrutide 99.6% Purity — Kerui Peptide HongKong Co., LtdCertificate of Analysis · Independent third-party lab result
This COA was extracted from a community forum attachment. The original poster claimed a lab tested the vendor's product, reporting 99.647% purity via HPLC + MS for retatrutide from leoliu.2369@gmail.com, with quantity at 9.76mg for a 10mg label. The test is recent (3-6 months old). However, the lab's signature is not directly verifiable from this source, and the image has passed through at least one re-share, indicating a chain-of-custody gap.
- chain-of-custody gap
- no endotoxin test
- vendor-submitted sample
- Test date
- 2025-12-08
- Batch / lot
- —
- Quantity
- 9.76 mg
- Endotoxins
- —
- Assay method
- HPLC + MS
- Label dose
- 10mg
How this result compares
This Retatrutide certificate's tested purity of 99.65% ranks higher than 23% of the 10463 Retatrutide certificates with a purity result we have catalogued (median 99.83%).
Tested 2025-12-08 via HPLC + MS. This test is newer than 30% of our catalogued Retatrutide certificates.
Kerui Peptide HongKong Co., Ltd has 30 certificates in our corpus, including 12 for Retatrutide at a median tested purity of 99.65%.
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": "Retatrutide",
"dose": "10mg",
"purity_pct": 99.647,
"purity_label": "99.647%",
"method": "HPLC + MS",
"test_date": "2025-12-08",
"client": "[EMAIL_REDACTED]",
"notes": "",
"label_qty": "10mg",
"tested_qty": "9.76 mg",
"quantity_deviation_pct": -2.4,
"is_blend": false,
"components_json": "",
"ocr_confidence": 0.98
}