Tested batch: EP-260521-TB05
TB-500 (Thymosin Beta-4) is a synthetic version of the naturally occurring peptide. Each box contains 10 vials of lyophilized powder, with 5mg per vial. This peptide is supplied as a research compound for laboratory use only.
Specifications: SKU TB05 · 10 vials of lyophilised powder per box · 5mg per vial · measured net content 4.99 mg. Testing: four Kovera Labs reports for batch EP-260521-TB05: RP-HPLC purity 99.808% with LC-MS identity, endotoxin < 0.04 EU/mL, heavy metals and sterility – see the certificates below. Further reading: TB-500 in Australia: product overview and TB-500: a research guide to evaluating suppliers. For laboratory research use only; not for human consumption.
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This product is strictly intended for laboratory research use only. Not for human consumption. All products sold are for research purposes and should only be handled by qualified professionals in a controlled laboratory environment.
Tested batch: EP-260521-TB05 · 4 published certificates. Report library updated .
Batch EP-260521-TB05 – four Kovera Labs reports. Purity and identity: RP-HPLC purity 99.808%, net content 4.99 mg, LC-MS identity: TB-500(TB-4) (KVR-2026-69607B, 17 July 2026). Endotoxin: < 0.04 EU/mL (ENDO-KVR-2026-69607B). Heavy metals: lead < 0.5, arsenic < 0.15, cadmium < 0.05 and mercury < 0.3 ppm (HM-KVR-2026-69607B). Sterility: no bacterial growth (aerobic and anaerobic) and no fungi or yeast detected after a 2-day incubation (RSTER-KVR-2026-69607B). Each certificate links to its Kovera Labs verification record, and the product image shows the same batch reference. For laboratory research use only.
| Test | Reported result | Report ID | Report date |
|---|---|---|---|
| Purity and Identity (COA) | Purity: 99.808 %; Net content: 4.99 mg; Identity confirmation: TB-500(TB-4) | KVR-2026-69607B | 17 July 2026 |
| Endotoxin | Endotoxin: < 0.04 EU/mL | ENDO-KVR-2026-69607B | 10 July 2026 |
| Heavy Metals | Lead: < 0.5 ppm; Arsenic: < 0.15 ppm; Cadmium: < 0.05 ppm; Mercury: < 0.3 ppm | HM-KVR-2026-69607B | 10 July 2026 |
| Sterility testing | Bacteria (aerobic/anaerobic): No microbial growth detected; Fungi / yeast: Not Detected; Incubation period: 2 days | RSTER-KVR-2026-69607B | 10 July 2026 |
Read how to interpret and verify a Kovera Labs report or browse our testing standards and report directory.
Verify this certificate on Kovera Labs
| Reported test | Result | Stated criterion | Method, where stated |
|---|---|---|---|
| Purity | 99.808 % | — | RP-HPLC |
| Net content | 4.99 mg | — | — |
| Identity confirmation | TB-500(TB-4) | — | LC-MS |
| Endotoxin screen | Pass | — | — |
| Microbial sterility screen | No Growth | — | — |
| Arsenic (As) screening | Negative | — | — |
| Cadmium (Cd) screening | Negative | — | — |
| Lead (Pb) screening | Negative | — | — |
| Mercury (Hg) screening | Negative | — | — |
Verify this certificate on Kovera Labs
| Reported test | Result | Stated criterion | Method, where stated |
|---|---|---|---|
| Endotoxin | < 0.04 EU/mL | ≤ 0.5 | — |
| Final determination | PASS | — | — |
Verify this certificate on Kovera Labs
| Reported test | Result | Stated criterion | Method, where stated |
|---|---|---|---|
| Lead | < 0.5 ppm | ≤ 10 | ICP-MS |
| Arsenic | < 0.15 ppm | ≤ 1.5 | ICP-MS |
| Cadmium | < 0.05 ppm | ≤ 0.5 | ICP-MS |
| Mercury | < 0.3 ppm | ≤ 3 | ICP-MS |
Verify this certificate on Kovera Labs
| Reported test | Result | Stated criterion | Method, where stated |
|---|---|---|---|
| Bacteria (aerobic/anaerobic) | No microbial growth detected | — | — |
| Fungi / yeast | Not Detected | — | — |
| Incubation period | 2 days | — | — |
| Temperature | 30-35C | — | — |
| Final determination | SAMPLE PASSES STERILITY SCREEN | — | — |
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