Thymalin certificate of analysis, lot PL-2610-208
Certificate PL-26-00321 reports the release tests for Thymalin lot PL-2610-208: 99.30% purity by reverse-phase HPLC and identity confirmed by LC-MS, tested October 8, 2026. The lot number printed on each unit matches this certificate.
| Certificate number | PL-26-00321 |
|---|---|
| Lot number | PL-2610-208 |
| Compound | Thymalin 10 mg |
| Sequence | None. An extract has no single sequence |
| CAS number | None for a pure compound. A CAS number identifies a substance, not a mixture |
| Purity (RP-HPLC) | 99.30% |
| Identity (LC-MS) | Conforms (Match) |
| Method | RP-HPLC (UV 214 nm) + LC-MS |
| Tested | October 8, 2026 |
| Retest by | October 7, 2028 |
| Tested by | Manufacturer’s in-house laboratory (not an independent third-party test) |
| Conclusion | Conforms |
Tests run on this lot
| Test | Method | Specification | Result |
|---|---|---|---|
| Identity (peptide map) | LC-MS peptide map | Matches reference | Matches reference (PASS) |
| Purity (main band) | RP-HPLC, UV 214 nm, area% | ≥ 99.0% | 99.30% (PASS) |
| Water content | Karl Fischer | ≤ 5.0% | 2.77% (PASS) |
| Bacterial endotoxin | LAL, kinetic | ≤ 5.0 EU/mg | 0.046 EU/mg (PASS) |
| Sterility | USP <71>, 14-day | No growth | No growth (PASS) |
What these results mean
HPLC purity is the share of UV-detectable material that elutes as the target compound; it is not the same as net peptide content, which also accounts for water and counter-ions. Identity means the measured mass matched the mass calculated for the compound. A certificate reports only the tests run on this lot; endotoxin, sterility and contaminant panels are not part of standard lot release. How to read a certificate of analysis.
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