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VitalityPeptides
Research Division · Quality Control

Certificate of Analysis

Third-party verified · research use only

RELEASED
Certificate No.VP-COA-TB10-250901
Lot / Batch No.JP20250816
Sample codeTB10
Analysis DateSep 1, 2025
ExpirySep 2027
Product information
Product nameTB-500 · Thymosin β4
Classsynthetic thymosin β4 actin-binding peptide
CAS number77591-33-4
Molecular weight4963.4 g/mol
Molecular formulaC212H350N56O78S
AppearanceWhite to off-white lyophilised powder
HPLC purity
99.49 %
Net content
11.19 mg / 10 mg claim

A synthetic peptide corresponding to the actin-binding region of the naturally occurring protein thymosin beta-4.

Analytical results
ParameterMethodSpecificationResultStatus
Purity (HPLC)RP-HPLC, UV 214 nm≥ 98.0 %99.487 %Pass
Net peptide contentQuantitative HPLC≥ 10 mg / vial11.19 mgPass
RP-HPLC chromatogram
025050075010000510152025mAU (214 nm)Retention time (min)19.1 min · 99.49%

Representative trace illustrating the measured purity; the 99.487% figure above is the value reported by the testing laboratory.

Independent verification
HPLC-tested by an independent third-party laboratory.
The full lab report for this batch is available on request (mass and purity). Message us on WhatsApp with the batch number and we’ll send it over.
Request full report →
Storage & stability
  • Lyophilised, sealed. Store at −20 °C · protect from light
  • Short-term transit. Stable at ambient temperature for up to 30 days
  • After reconstitution. Refrigerate at 2–8 °C · use within 4 weeks
Authorisation
QC Analyst
Analytical Chemistry
QA Release
Quality Assurance
Digitally authorised · Sep 1, 2025
  1. Analytical results are transcribed from independent third-party laboratory testing; the full report for this batch is available on request.
  2. All products are supplied strictly as research chemicals for laboratory research use only. Not for human or veterinary use, food, or drug applications.
  3. The buyer is solely responsible for complying with all laws and regulations governing the purchase, import, possession, storage, handling, and use of this material in their jurisdiction. Vitality Peptides makes no warranty as to its legal status in any territory.
  4. Molecular reference data (CAS, formula, molecular weight) are public standard values, not per-batch measurements.
  5. This document must not be altered. Reproduction is permitted only in full and without modification.
  6. Vitality Peptides disclaims all warranties, express or implied — including merchantability and fitness for a particular purpose — beyond the research-use-only scope stated above, and accepts no liability for any indirect, incidental, or consequential loss arising from use or misuse of the material.