Retatrutide 99.9% Purity — Mix PeptidesCertificate of Analysis · Independent third-party lab result
This COA was extracted from a community forum. The original poster claimed a lab tested MIX Peptides' Retatrutide, reporting 99.877% purity via HPLC and a significant quantity deviation of +32.87% (39.86mg tested vs 30mg label). The test date is 2025-09-09, making it older (6-12 months). The lab's signature is not directly verifiable, and endotoxin status is unknown, indicating a chain-of-custody gap.
- chain-of-custody gap
- no endotoxin test
- stale (6-12 months)
- Test date
- 2025-09-09
- Batch / lot
- —
- Quantity
- 39.86mg
- Endotoxins
- —
- Assay method
- HPLC
- Label dose
- 30mg
How this result compares
This Retatrutide certificate's tested purity of 99.88% ranks higher than 60% of the 10463 Retatrutide certificates with a purity result we have catalogued (median 99.83%).
Tested 2025-09-09 via HPLC. This test is newer than 13% of our catalogued Retatrutide certificates.
Mix Peptides has 94 certificates in our corpus, including 30 for Retatrutide at a median tested purity of 99.76%.
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": "30mg",
"purity_pct": 99.877,
"purity_label": "99.877%; 99.826%.",
"method": "HPLC",
"test_date": "2025-09-09",
"client": "MIX Peptides",
"notes": "",
"label_qty": "30mg",
"tested_qty": "39.86mg",
"quantity_deviation_pct": 32.87,
"is_blend": false,
"components_json": "",
"ocr_confidence": 1.0
}