TB-500 × researchchemhq.co — lab test, February 2025
COA #23053 matches Chromate's public record. So this test doesn't rest on our review alone — the lab confirms it too.
RCHQ3HGVCZLPTest results
This is a purity and identity analysis. Sterility, endotoxins, and heavy metals were not screened — a high purity figure says nothing about those.
About this test
Label 10 mg · Lab measured 9.348 mg
93% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 2.3 mg using the measured mass, against 2.5 mg on the label — 7% less.
One vial from this lot was weighed by the laboratory, not yours. This page reports what the certificate says; it does not recommend a dose.
| Report number | #23053 |
|---|---|
| Portal lookup | ✓ Lab-verified |
| Checked | 16 Jul 2026date taken from the record, not from a logged check |
| Checked by | Peptigrity staff, against the lab's portal |
| PDF vs portal | Chromate's portal shows validity only |
| Weight | Counts as one lab test |
Independent HPLC purity analysis of TB-500 (TB4) from researchchemhq.co, performed by Chromate on February 19, 2025. Reported purity: 98.432%. Net content: 9.348 mg against 10 mg labeled (93% of label). Batch #001. Sample source: shop-provided. Certificate of analysis attached.
Certificate of analysis
Other lots of TB-500 from researchchemhq.co
| Lot | Tested | Lab | Purity | vs label | Status |
|---|---|---|---|---|---|
| #ERN51 | 4 Jun 2026 | ILS Laboratories | 99.9% | 103% | ✓ Lab-verified |
| #GN45U | 26 Apr 2026 | Kovera Labs | 99.861% | 106% | ✓ Lab-verified |
Batches this shop has published a certificate for, newest first. A lot whose printed value cannot identify a batch is not listed.
Have you tested this peptide?
Submit your third-party lab test to help the community verify purity claims. Every report is reviewed before publication.
Community discussion