TB-500 99.7% Purity — Anonymous STGCertificate of Analysis · Independent third-party lab result
This COA was extracted from a community forum, claiming a lab tested Anonymous STG's TB-500. The original poster reported 99.712% purity via HPLC, with a tested quantity of 12.42mg. However, the lab's signature is not directly verifiable, and the image has passed through at least one re-share, indicating a chain-of-custody gap. This should be treated as community signal, not confirmation.
- chain-of-custody gap
- unknown lab
- no endotoxin test
- Test date
- 2026-01-05
- Testing lab
- Unknown
- Batch / lot
- —
- Quantity
- 12.42mg
- Endotoxins
- —
- Assay method
- HPLC
How this result compares
This TB-500 certificate's tested purity of 99.71% ranks higher than 80% of the 1248 TB-500 certificates with a purity result we have catalogued (median 99.39%).
Tested 2026-01-05 by Unknown via HPLC. This test is newer than 42% of our catalogued TB-500 certificates.
Anonymous STG has 3 certificates in our corpus, including 1 for TB-500 at a median tested purity of 99.71%.
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": "TB-500",
"dose": "",
"purity_pct": 99.712,
"purity_label": "99.712%",
"method": "HPLC",
"test_date": "2026-01-05",
"client": "Anonymous STG",
"notes": "",
"label_qty": "",
"tested_qty": "12.42mg",
"quantity_deviation_pct": null,
"is_blend": false,
"components_json": "",
"ocr_confidence": 0.98
}