PrymaLab AnalyticalCertificate of Analysis ยท Lot release ยท tested in-housePrymaLab Analytical ยท Attn: Sample intake ยท 3705 Music Branch Rd ยท Ashland, KY 41102 ยท United States
Certificate number
PL-26-00321
Key
SQVBXNXM
Verify at prymalab.net/testing/verify/
Thymalin 10 mg Lot PL-2610-208 ยท analysed October 8, 2026 ยท issued October 23, 2026
Purity ยท RP-HPLC99.30%Specification โฅ 99.0% โข area % of the main RP-HPLC band
Identity ยท Peptide MapMatchLC-MS peptide map matches the reference
ConclusionPASSMeets every specification for the tests performed
The certificate


Summary
| Compound | Thymalin Calf thymus polypeptide fraction (Khavinson/Morozov extract); no single sequence |
|---|---|
| CAS number | 79621-14-0 |
| Molecular formula | Not applicable (mixture) |
| Theoretical mass | n/a (complex peptide mixture) |
| Sequence / structure | thymus polypeptide complex |
| Storage | โ20 ยฐC, desiccated, dark |
| Label claim | 10 mg per vial |
| Lot number | PL-2610-208 |
| Certificate number | PL-26-00321 |
| Date of analysis | 2026-10-08 (retest 2028-10-07) |
| Purity (RP-HPLC) | 99.30% |
| Identity (LC-MS) | Matches reference |
| Water content (KF) | 2.77% |
| Endotoxin (LAL) | 0.046 EU/mg |
| Sterility | No growth |
| Conclusion | PASS |
| Tested by | PrymaLab Analytical (PrymaLab's own laboratory, Ashland, KY). In-house result, not an independent third-party test. |
Third-party testing guarantee. Have this product tested by any independent laboratory. If the result does not come back as the compound named on the label, at the purity and amount stated, we refund your order in full and reimburse the cost of the test. Email the lab report and your order number to michael@prymalab.net.
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