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LORIUM
Certificate of Analysis
Third-party analytical release · TB-500
✓ RELEASED
ProductTB-500 (Thymosin β4 fragment)
Lot numberTB-500-2411-111
CAS number885340-08-9
Molar mass889.0 g/mol
Storage-20 °C, protect from light
Manufacture date19 Apr 2026
Analysis date22 Apr 2026
Retest / expiry18 Apr 2028
TestResultSpecification
AppearanceWhite to off-white lyophilised powderConforms
Identity (ESI-MS)Consistent with reference mass (889.0 g/mol)Conforms
Purity (RP-HPLC)99.40%≥ 98.0%
Related substances0.30%≤ 2.0%
Water content (KF)3.1%≤ 8.0%
Endotoxin (LAL)< 0.5 EU/mg≤ 1.0 EU/mg
Sterility (USP <71>)No growth detectedMeets requirements
Overall result: PASS — meets all release specifications.
Quality Assurance · Released
Methods: RP-HPLC (purity), ESI-MS (identity), Karl Fischer (water), kinetic-chromogenic LAL (endotoxin), USP <71> (sterility).
Sample certificate for illustration. Values are representative of a passing lot and do not describe a specific shipment. The certificate accompanying your order reflects your actual lot.